Log of /trunk/proof/proofx/src/TXProofServ.cxx
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Revision
45283 -
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Modified
Mon Jul 30 10:42:38 2012 UTC (2 years, 5 months ago) by
ganis
File length: 37862 byte(s)
Diff to
previous 44683
Patch automatizing the usage of the file-based technology to handle outputs.
After this patch PROOF users can define as an option to Process an output file for their results
and choose if the merging goes via file or in memory. User can also decide to save theit results
in a set of files identified by a name (dataset).
Administrators can force merging-via-file or can make it conditional to the resident memory exceeding
a given threshold.
The new options are documented at
http://root.cern.ch/drupal/content/handling-outputs
Since TProofOutputFile is now used by TProof, the class has been moved from proof/proofplayer
(libProofPlayer) to proof/proof (libProof).
The selector tutorials/proof/ProofSimple.h,.C has been modified to allo testing the new options,
and a new test has been added to stressProof.
Revision
44683 -
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Modified
Thu Jun 14 09:27:40 2012 UTC (2 years, 7 months ago) by
ganis
File length: 37680 byte(s)
Diff to
previous 44655
First version of the final patch enabling multi-workers on single node using
PROOF-Lite. This is supposed to improved scalability for large number of workers
(>300-400) and is currently available only for non-data driven tasks.
The new setup configuration is enabled by the directive 'xpd.remoteplite 1' in
the xproofd configuration file.
Revision
44507 -
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Modified
Mon Jun 4 12:30:41 2012 UTC (2 years, 7 months ago) by
axel
File length: 37053 byte(s)
Diff to
previous 44491
Remove
using namespace std;
from Riostream.h, which has huge consequences for all of ROOT.
Riostream.h is now a simple wrapper for fstream, iostream, iomanip for backward compatibility; Riosfwd.h simply wraps iosfwd.
Because of templates and their inline functions, Riostream.h needed to be included in headers, too (e.g. TParameter.h), which violated the assumption that Riostream.h is not exposing its using namespace std to headers.
ROOT now requires R__ANSISTREAM, R__SSTREAM, which does not change the set of supported compilers.
Without "using namespace std", several identifiers are now prefixed by std::; e.g. roofit/* source files now have a using namespace std to keep their coding style.
TFile::MakeProject() now generates "using namespace std" to convert the CINT-style class names into C++ ones.
Revision
39696 -
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Modified
Mon Jun 13 21:35:34 2011 UTC (3 years, 7 months ago) by
pcanal
File length: 37031 byte(s)
Diff to
previous 39115
From David Dagenhart:
Implement an option to allow ROOT to use the LZMA compression
algorithm to compress data instead of the ZLIB compression algorithm.
LZMA compression typically results in smaller files, but takes more
CPU time to compress data. To use the new feature, the external XZ
package must be installed when ROOT is configured and built:
Download 5.0.3 from here http://tukaani.org/xz/
and make sure to configure with fPIC:
./configure CFLAGS='-fPIC'
Then the client C++ code must call routines to explicitly request LZMA
compression.
ZLIB compression is still the default.
Setting the Compression Level and Algorithm:
There are three equivalent ways to set the compression level and
algorithm. For example, to set the compression to the LZMA algorithm
and compression level 5.
1. TFile f(filename, option, title);
f.SetCompressionSettings(ROOT::CompressionSettings(ROOT::kLZMA, 5));
OR
2. TFile f(filename, option, title, ROOT::CompressionSettings(ROOT::kLZMA, 5));
OR
3. TFile f(filename, option, title);
f.SetCompressionAlgorithm(ROOT::kLZMA);
f.SetCompressionLevel(5);
These methods work for TFile, TBranch, TMessage, TSocket, and TBufferXML.
The compression algorithm and level settings only affect compression of
data after they have been set. TFile passes its settings to its branches
only at the time the branches are created. This can be overidden by
explicitly setting the level and algorithm for the branch. These classes
also have the following methods to access the algorithm and level for
compression.
Int_t GetCompressionAlgorithm() const;
Int_t GetCompressionLevel() const;
Int_t GetCompressionSettings() const;
If the compression level is set to 0, then no compression will be
done. All of the currently supported algorithms allow the level to be
set to any value from 1 to 9. The higher the level, the larger the
compression factors will be (smaller compressed data size). The
tradeoff is that for higher levels more CPU time is used for
compression and possibly more memory. The ZLIB algorithm takes less
CPU time during compression than the LZMA algorithm, but the LZMA
algorithm usually delivers higher compression factors.
The header file core/zip/inc/Compression.h declares the function
"CompressionSettings" and the enumeration for the algorithms.
Currently the following selections can be made for the algorithm:
kZLIB (1), kLZMA (2), kOldCompressionAlgo (3), and kUseGlobalSetting
(0). The last option refers to an older interface used to control the
algorithm that is maintained for backward compatibility. The following
function is defined in core/zip/inc/Bits.h and it set the global
variable.
R__SetZipMode(int algorithm)
If the algorithm is set to kUseGlobalSetting (0), the global variable
controls the algorithm for compression operations. This is the
default and the default value for the global variable is kZLIB.
Note that the LZMA algorithm will only be available if the LZMA
libraries from the XZ package were available when the ROOT executable
being used was configured and built. If you are building ROOT and want
LZMA then you must do something similar to the following if XZ is not
already installed on your system.
Download XZ version 5.0.3 from http://tukaani.org/xz/
unwind the tarball
cd xz-5.0.3
./configure CFLAGS='-fPIC'
make
ROOT was tested with version 5.0.3 of XZ. It might work with earlier
versions and will probably work with later versions of XZ.
Then either use "make install" to put the library and headers into
/usr/local/* so the scripts building ROOT can find them or use
arguments to the ROOT configure script to point to the proper
directories containing the XZ library and headers. These are the
library and the included header (lzma.h includes other headers in the
lzma subdirectory).
src/liblzma/.libs/liblzma.a
src/liblzma/api/lzma.h
WARNING: Data compressed with the LZMA algorithm cannot be read by
ROOT executables that were not built with LZMA support.
Revision
39115 -
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Modified
Thu May 5 15:54:41 2011 UTC (3 years, 8 months ago) by
ganis
File length: 37028 byte(s)
Diff to
previous 38922
- Fix bug in TXSocket::Create whose effect was to make the three additional attempts
following the first to send a wrong and meaningless creation info (ordinal number, etc).
The bug was introduced while fixing the log path trasmission problem.
- Improve the way information about the logs files is saved when failure happens
during creation. The log paths for these failing now should be now correctly saved
and accessible via TProofLog.
- Improve TSlave::Print when the connection is invalid (print all the valid information,
available, not only the header one)
Revision
38922 -
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Modified
Tue Apr 19 13:15:05 2011 UTC (3 years, 9 months ago) by
ganis
File length: 37003 byte(s)
Diff to
previous 36592
Adapt to new XrdClient constructors allowing to setup a connection using an open socket.
Also extend the protocol handshake and Send/Recv calls to use a generic physical connection.
Revision
36592 -
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Modified
Thu Nov 11 10:43:17 2010 UTC (4 years, 2 months ago) by
ganis
File length: 36449 byte(s)
Diff to
previous 36512
- Terminate a proofserv after it has been stopped for large memory footprint and it has
sent the results back
- Notify information about which object was being merged if a memory exception happens
during merging on the master
- Allow to set the HWM and stop-process fractions via the environment
Revision
36512 -
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Modified
Fri Nov 5 12:05:11 2010 UTC (4 years, 2 months ago) by
ganis
File length: 36609 byte(s)
Diff to
previous 34101
In TProofServ, TXProofServ:
Move the creation and start of the idle timeout from the end of SetupCommon to
the end of CreateServer, so that the timeout is not active during worker setup.
Fix a problem reported by ALICE.
Revision
34101 -
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Modified
Thu Jun 24 12:12:59 2010 UTC (4 years, 7 months ago) by
ganis
File length: 36048 byte(s)
Diff to
previous 33824
Following a request from ALICE, implement a timer to terminate idle sessions. The timeout
value is controlled by the variable ProofServ.IdleTimeout (value in seconds). For example,
to set a timeout of 20 mins, enter the following in the xproofd config file:
### Setup an idle timeout
xpd.putrc ProofServ.IdleTimeout 1200
The timer is disabled by default.
Revision
33824 -
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Modified
Thu Jun 10 14:43:40 2010 UTC (4 years, 7 months ago) by
ganis
File length: 36127 byte(s)
Diff to
previous 33693
- Add new directive 'xpd.datadir' to better control the user data directories and their
permission settings. The syntax is 'xpd.datadir <datadir> <opts>' where <datadir> is
the root path for the datadirs (the final datadir will be <datadir>/<group>/<user>) and
<opts> can contain a combination of the following letters: 'g', 'a', 'M', 'W' ["gW"];
the lower case control the write permissions: 'g' group, 'a' everybody; the upper case
control where the data dirs shoudl be created: 'W' on the workers, 'M' on the master,
"WM" everywhere.
- Better handle the removal of empty data directories in TProofServ and derivatives
- In TProofOutputFile:
- extend support for URL options
- correctly take the URL options into account
This should solve a problem observed in the new ALICE CAF.
Revision
33364 -
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Modified
Tue May 4 08:04:17 2010 UTC (4 years, 8 months ago) by
ganis
File length: 35932 byte(s)
Diff to
previous 33280
Fine tune monitoring via syslog/local5:
- add additional level to increase the granularity; available levels
0 no syslog logging
1 syslog: beginning of session, main actions (exec, process, dataset
handling, cache/package handling, query handling), end of
session
2 syslog all input actions (i.e. also internal messages)
3 syslog also the application logs
- add logging on session begin (at the end of SetupCommon)
- in the end-of-session log, log also the total real and CPU times spent executing commands
Revision
33280 -
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Modified
Wed Apr 28 14:45:01 2010 UTC (4 years, 8 months ago) by
ganis
File length: 35878 byte(s)
Diff to
previous 33054
Restructuring of the syslog logging functionality.
The activation is still controlled by the ProofServ.LogToSysLog switch, but now two
levels of logging are provided:
2 log everything to syslog (local5)
1 log only a record for each action performed by the client; by default the
format is
user message-type realtime cputime
When relevant, some information is added, like file name, selector name,
package name, bytes read, etc ...
This may be useful to get a quick monitoring of the cluster activities.
The format of the message to syslog has also been sligthly modified and made more compact;
example
Apr 28 15:50:53 pcphsft64 proofm-0[15086]: ganis 5 0.006 0.010 .!pwd
Apr 28 16:14:52 pcphsft64 proofm-0[18814]: ganis 1012 0.000 0.000 h1analysis.C
Apr 28 16:14:52 pcphsft64 proofm-0[18814]: ganis 1013 0.031 0.000
Apr 28 16:14:52 pcphsft64 proofm-0[18814]: ganis 1012 0.000 0.000 h1analysis.h
Apr 28 16:14:52 pcphsft64 proofm-0[18814]: ganis 1013 0.029 0.010
Apr 28 16:15:02 pcphsft64 proofm-0[18814]: ganis 1015 7.097 0.090 0 283813 22554834 5.920
for the action records, and
Apr 28 16:37:44 pcphsft64 proofm-0[20907]: ganis: Info:<TXProofServ::Terminate>: starting session termination operations ...
for an Info message.
Revision
33054 -
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Modified
Thu Apr 15 16:47:24 2010 UTC (4 years, 9 months ago) by
pcanal
File length: 35708 byte(s)
Diff to
previous 31028
From Axel:
Move CINT specific initialization (i.e. preventing CINT from #include-ing files it cannot parse) from TRint into TCint. Consistently tell the interpreter to #include <string>, not <_string>. Set the include path in TCint / TCling so they can load interpreter specific headers (like RtypesCint.h). Whether or not to remove the interpreter includes in TProofServLite::SetupOnFork() will
be studied by Gerri, for now they should not hurt.
Revision
31012 -
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Modified
Fri Nov 6 16:08:19 2009 UTC (5 years, 2 months ago) by
ganis
File length: 36003 byte(s)
Diff to
previous 30995
Save the status of a 'proofserv' session into a new file in the 'activesessions' area.
The full path of the new file is
<admin_path>/.xproofd.<port>/activesessions/<user>.<group>.<pid>.status
The status indicates whether the session is idle, running or queued.
The status is updated every 'checkfq' secs (see xpd.proofservmgr; default 30 s).
The status is dumped by the reader thread of TXProofServ and therefore its r/w access
is protected.
This change is needed for PoD optimizations.
Revision
30995 -
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Modified
Thu Nov 5 17:41:03 2009 UTC (5 years, 2 months ago) by
ganis
File length: 35565 byte(s)
Diff to
previous 30859
A couple of quick additions mostly for the new bench suite under development:
- Add the possibility to give indications about the number of workers at startup.
E.g.
1. To start max 5 workers
TProof::Open("<master>","workers=5")
2. To start max 2 workers per physical machine
TProof::Open("<master>","workers=2x")
This is useful in general when running tests (equivalent but quicker then full startup
followed by TProof::SetParallel(n) or TProof::DeactivateWorker(...)).
- Add support for the worker SysInfo_t in TSlaveInfo (obtained via TProof::GetListOfSlaveInfos())
Revision
30859 -
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Modified
Sat Oct 24 14:53:07 2009 UTC (5 years, 3 months ago) by
ganis
File length: 33819 byte(s)
Diff to
previous 29059
Patch for improved performance monitoring. The 'Rate Plot' button in the progress
dialog is renamed 'Performance plot' and shows up to 4 plots with the event/sec,
the average read chunck size, the number of active workers and the number of active
PROOF sessions on the cluster, all as a function of processing time.
The read chunck size plot allows to monitor the usage of the cache.
The istantaneous processing rate (event/sec) is now better estimate: a few issues
with the normalizing times have ben solved, removing the artificial structures that
were observed.
The possibility to set a max packet time length is introduced (default 30 s); this
can be changes with the parameter PROOF_MaxPacketTime.
The size of the cache is also taken into account to optimize the use of the cache.
The parameter PROOF_UseParallelUnzip has been introduced to toggle the use of the
parallel unzip (default off for now).
A page describing the new performance plots is under preparation at
http://root.cern.ch/drupal/content/progress-dialog
Revision
29059 -
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Modified
Wed Jun 17 15:43:11 2009 UTC (5 years, 7 months ago) by
ganis
File length: 33467 byte(s)
Diff to
previous 28856
Automatize running of PROOF sessions in valgrind.
The second argument of TProof::Open is used to trigger the relevant settings.
To valgrind the master session start PROOF with
TProof::Open("<master>","valgrind")
or
TProof::Open("<master>","valgrind=master")
To valgrind two workers sessions use
TProof::Open("<master>","valgrind=workers")
To valgrind <n> workers sessions use
TProof::Open("<master>","valgrind=workers#<n>")
To valgrind master and 2 workers (for <n> workers add '#<n>')
TProof::Open("<master>","valgrind=master+workers")
The valgrind logs are available with the tag '<ordinal>-valgrind' in the log dialog
or form TProofMgr::GetSessionLogs() .
To add options to valgrind execute
TProof::AddEnvVar("PROOF_WRAPPERCMD", "valgrind_opts:<options>")
before starting the session.
Revision
28856 -
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Modified
Tue Jun 9 11:49:43 2009 UTC (5 years, 7 months ago) by
ganis
File length: 32892 byte(s)
Diff to
previous 27932
A few optimizations in transferring and merging of the results:
- Output objects are added to the same TMessage until a HWM is reached
(default 1MB; controlled by 'ProofServ.MsgSizeHWM'); this limits the
number of transfers in the case of large numbers of small objects.
- Reasonably small histograms (GetSize() < MsgSizeHWM) are merged in
one-go at the end instead of one-by-one to exploit the better performance
of TH1::Merge on the full list of histos.
- Add possibility to compress the messages; this is controlled by
ProofServ.CompressMessage <compression_level>
The default is still 'no compression' but this will allow to study the
impact of compression.
In addition, a sort of 'progress' counter for merging is now shown on the
client:
root [n] p->Process(...)
...
Mst-0: merging output objects ... / (4 workers still sending)
This asserts socket activity and fixes the timeout problems during long
merging phases reported on the forum.
Revision
27270 -
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Modified
Wed Jan 28 07:44:26 2009 UTC (5 years, 11 months ago) by
ganis
File length: 32333 byte(s)
Diff to
previous 27231
Add support for query queuing also for static sessions. To limit the number of
running sessions to, for example, 3 one can just set
xpd.schedparam default mxrun:3 queue:fifo
The patch also fixes a problem with the fIdle flag in TProofServ (not always
reset after processing) and introduces new methods XrdProofSched::DumpQueues(),
showing the queue content, and XrdProofdProofServ::RemoveQuery to move all the
code to remove a query inside XrdProofdProofServ.
Revision
27231 -
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Modified
Sun Jan 25 09:42:21 2009 UTC (5 years, 11 months ago) by
ganis
File length: 32329 byte(s)
Diff to
previous 27042
Patch adding support for session queuing in the scheduler (from Jan and me).
This allows to control the number of sessions allowed to process queries concurrently.
The feature is enabled by a new parameter 'queue:fifo' in the 'xpd.schedparam'
directive.
In case of static worker assigment (default, random, round-robin) the max number of
running sessions can be limited by another new parameter 'mxrun'; for example
'xpd.schedparam default mxrun:3 queue:fifo' will run concurrently only 3 sessions.
Additional requests are queued and run as soon as one of the running sessions goes idle.
The current policy is FIFO, so that there is a rotation among queued sessions.
In the case of load-based worker assignement, the max number of running queries is
determined dynamically.
This option requires dynamic, per-job scheduling.
Revision
27034 -
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Modified
Fri Dec 19 15:30:06 2008 UTC (6 years, 1 month ago) by
ganis
File length: 31970 byte(s)
Diff to
previous 26993
From Jan: prepare for query-enqueing support:
- add new protocol message to resume an enqueued session
- add framework to process enqueued queries after a resume: the processing part on masters
has been moved to a new method ProcessNext which is called also after a resume request.
- remove duplication in the definition of message types for SendCoordinator
(same codes defined in XProofProtocol.h and TXSocket.h)
Revision
26993 -
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Modified
Wed Dec 17 16:01:04 2008 UTC (6 years, 1 month ago) by
rdm
File length: 31468 byte(s)
Diff to
previous 26951
From Gerri:
- Fix a problem with filtering the SvcMsg in TProofMgrLite::GetSessionLogs
- Fix a weird backward-compatibility problem in TProof::SendFile (found
and needed by ALICE)
- Update the release notes
Revision
26951 -
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Modified
Tue Dec 16 12:04:38 2008 UTC (6 years, 1 month ago) by
ganis
File length: 31766 byte(s)
Diff to
previous 26728
- Fix an issue with uploading packages in rapid sequence
- Fix an issue with TProof::Load() in forced compilation mode ('++')
- Fix an issue with grep in log retrieval
- Fix an issue with ownership of the xrootd log file
- Make sure the XrdProofdProofServMgr::fCurrentSessions is always up-to-date
Revision
26678 -
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Modified
Fri Dec 5 14:53:23 2008 UTC (6 years, 1 month ago) by
ganis
File length: 31336 byte(s)
Diff to
previous 26499
Patch to:
- Add the possibility to set upper limits on the virtual memory (changes in TProofPlayer,
TProofServ, TXProofServ and pmain (separate patch)).
If enebled, the session gets firts a warning when it reaches 80% of the limit, and then
processing is stopped whenit exceeds 95% of the limit, sending back the results.
Also, the memory footprint is notified when the session is terminated.
- Make sure the the active valuse in XrdProofWorker are always correct; this was not the
case for dynamic startup as the notification at the end of the query was not done.
This information is crucial or the scheduler.
The way the information is stored in XrdProofdProofServ had to be modified
and a new internal message type (kReleaseWorker) added.
(Changes in several proofd classes, TProof, TXsocket and TXProofServ)
- Fix problem with setting a static upper limit of the sessions that can be started,
and enable this functionality for the dynamic mode (changes in XrdProofSched)
- Remove a deleted worker from all the lists in TProof::MarkBad to avoid later attempts of use.
- Better control the use of the internal pipe for socket readiness notification in TXSocket.
Revision
25720 -
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Modified
Tue Oct 7 10:13:37 2008 UTC (6 years, 3 months ago) by
ganis
File length: 30411 byte(s)
Diff to
previous 25535
Move the code for query-result management into a new class TQueryResultManager,
so that it can be used in other places (e.g. prooflite).
Revision
24719 -
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Modified
Wed Jul 9 07:07:25 2008 UTC (6 years, 6 months ago) by
ganis
File length: 30102 byte(s)
Diff to
previous 24589
Patch refactorizing the XrdProofd plugin.
The class XrdProofdProtocol is now in charge only of the operations strctly related
to the XProofd protocol. All auxilliary services have been moved to dedicated service
classes controlled by XrdProofdManager. In particular:
- XrdProofdClientMgr handles the clients (represented by instances of XrdProofdClient)
including login, authentication and access control
- XrdProofdProofServMgr handles the PROOF sessions (represented by instances of
XrdProofdProofServ) including creation, attachment, detachment, destruction and
environment setting
- XrdProofdNetMgr handles connections between instances of XProofd running on different
nodes
- XrdProofdPriorityMgr handles the session priorities
A special effort has been done to get rid of all possible internal dead-lock situations.
Internal actions on clients and sessions are now all asynchronous, governed by internal
pipes.
The new plugin also offers new functionality, among which:
- a XProofd admin area, located under <xrd.admin>/.xproof.<port>, keeps information about
active and terminated sessions, and the minimal state for active clients. This is used
to reguraly check the client and session activity, to cleanup orphalin sessions and
to shutdown inactive client connections.
In particular this allows a more solid implementation of Reset, which now exists in two
flavours: 'soft', TProof::Reset(<masterurl>), (default) asks the sessions to terminate gently;
'hard', TProof::Reset(<masterurl>,kTRUE) schedules all sessions for forced termination.
- support for automatic attempts for reconnection in the case the daemon restarts.
This allows to reconfigure the plugin by xrootd restart w/o affecting the running
sessions.
- support the definition of workers via config file directive, getting de facto rid of
the proof.conf file.
- domain+level control of printout message; the format has been improved: in particular
all information messages contain now the tag 'xpd-I' and all error messages the tag
'xpd-E', so that they can easily be grepped out from the log file.
The Wiki 'XrdProofdDirectives Directives' page has been updated with the new directives.
Revision
24589 -
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Modified
Fri Jun 27 14:17:08 2008 UTC (6 years, 6 months ago) by
ganis
File length: 31505 byte(s)
Diff to
previous 24574
- Add support for an external definition of the session tag: this will be needed
by external PROOF session launchers, when available
- Check also the env ROOTRCFILE for 'rootrc' configuration.
Revision
24574 -
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Modified
Thu Jun 26 17:06:03 2008 UTC (6 years, 6 months ago) by
ganis
File length: 31345 byte(s)
Diff to
previous 23181
Implement selective sending of logs from workers to master to avoid duplicating
too many text lines on the master log. Logs are now sent only after Exec, Print
requests and in case an error (level >= kError) occured. Of course, the full logs
can always be retrieved via TProofMgr::GetSessionLogs .
Also, remove TXProofServ::SendLogFile, which was reduced to be a duplication of
TProofServ::SendLogFile .
Revision
23181 -
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Modified
Sun Apr 13 07:39:52 2008 UTC (6 years, 9 months ago) by
ganis
File length: 33235 byte(s)
Diff to
previous 23069
Restore sending of full workers logs to master to make Exec working properly in all
cases. Optimized logging will need a different strategy.
Revision
20682 -
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Modified
Tue Nov 6 15:51:59 2007 UTC (7 years, 2 months ago) by
ganis
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 33076 byte(s)
Diff to
previous 20411
Import branches/dev/proof r20654
Summary:
+ Improvements
- Add support for SSH SOCKS4 tunnelling; the local port for the tunnel can be specified
in the master URL, e.g. TProof::Open("master/?tunnel:8000")
- Add the possibility to plot the estimated instantaneous rate
- Add "PROOF_ForceLocal" parameter to the !TPacketizerAdaptive; if set to 1, all the data
are processed locally.
- Add support for remote grep functionality while retrieving logs (needed by the forthcoming
memory monitor)
+ Bug fixes
- Several small fixes to revive the multi-master mode.
- XrdProofdProtocol:
- add missing lock to the client instance in SendMsg to avoid screwing up requests from
workers on the same machine
- lock the mutex of the requester when setting prorities
- add notification during Reset
- fix problem with the detection of the 'allow' directive
- fix problem with the parsing of the return value from XrdProofServProxy::TerminateProofServ()
- always use the effective user to retrieve info fom another server
(XrdProofdManager::GetProofConn is now used)
- fix possible dead-locks from debug notifications done after hard-killing a session
- re-enable the garbage collector thread of the connection manager in XrdProofConn to
fix a problem with closing physical connections;
- fix a problem with !CleanupProofServ in the case of a non-privileged daemon running
in multi-user mode
- introduce a timeout when waiting for the startup of a 'proofserv'.
- XrdProofConn: init mutex in the ctor; lock in SendRecv
- XrdProofSched: add support for using the priorities defined in the group manager to define
the number of workers for sessions
- TProof:
- Broadcast priorities to unique nodes only
- timeout after 5 mins the initial Collect to avoid clients getting stuck at this stage
- add support for generic timeout in Collect (disabled by default)
- fix a problem with SendFile.
- TXProofServ: add a call to !TProof::InterruptCurrentMonitor() in Terminate() to stop
infinite loops in Collect
- TXSocket:
- Implement a flag to interrupt a TXSocket while waiting for messages
- Split the session creation timeout in 4 attempts: the total timeout is the same but
it may circumvent occasional forking problems.
- XROOTD:
- fix a potential (possibly accademic) memory leak in the client
- fix a access permission problem with Kerberos ticket forwarding
- fix bug preventing 'locate' to work properly
- re-enable optimized 'locate'
Revision
20411 -
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Modified
Fri Oct 19 12:37:58 2007 UTC (7 years, 3 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 39119 byte(s)
Diff to
previous 20307
remove conditional around include of RConfigure.h:
#ifdef R__HAVE_CONFIG
#include "RConfigure.h"
#endif
Having this conditional caused RConfigure.h to be missing from the .d
files and hence these files would not be recompiled after re-configuring
using --prefix.
Revision
20307 -
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Modified
Thu Oct 11 10:58:50 2007 UTC (7 years, 3 months ago) by
ganis
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 39149 byte(s)
Diff to
previous 19826
Import branches/dev/proof r20306
Summary (see branch logs for more details):
- Set of changes related to CPU quota control including
- broadcast of centrally determined priorities
- mechanism to renice processes in a quantitative way
- New packetizer for non-tree based analysis and related API in TProof (from L. Tran-Thanh)
- Support for merging output objects saved in files on the workers (from L. Tran-Thanh and me)
- Improve version binary compatibility checks using also the SVN revision number
(when available) to define the running version.
- Extend the version binary compatibility checks also to the cached selector binaries.
- Extend TDSet::Lookup so that in case of missing files, it can remove them from the
dataset (option removeMissing must be set).
- Move the data set lookup to the TProofPlayerRemote::Process.
- Handle properly the case of incomple datasets: if the file is not found in the lookup
don't try to validate it; add it, instead, to a 'missingFiles' list returned in the
output list (fixing bug #28800 in Savannah).
Revision
19145 -
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Modified
Fri Jun 22 17:16:35 2007 UTC (7 years, 7 months ago) by
ganis
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 38373 byte(s)
Diff to
previous 19099
Add support for global package directories. The colon-separated list of directories
to be searched for is defined by the directive
Proof.GlobalPackageDirs globaldir1[:globaldir2[:globaldir3[:...]]]
which can be included in the xrootd config file via the xpd.putrc directive
xpd.putrc Proof.GlobalPackageDirs globaldir1[:globaldir2[:globaldir3[:...]]]
The directories must be readable by the user (a check is made in TProofServ::Setup).
Packages are searched first in the user local cache and then in the global
directories (in the given order, so that the first occurence is used).
The content of the global package directories is listed by TProof::ShowPackages().
The functionality is available also locally on the client. The Proof.GlobalPackageDirs
has to be specified in the users $HOME/.rootrc .
Global packages can be directly enabled via TProof::EnablePackage(<package_name>).
Revision
19099 -
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Modified
Thu Jun 21 08:47:42 2007 UTC (7 years, 7 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 37337 byte(s)
Diff to
previous 19093
added new data member fGroupPriority. This priority is obtained by
GetPriority() which makes an SQL query in the proofpriority table, which
has the format:
CREATE TABLE proofpriority (
id INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
group VARCHAR(32) NOT NULL,
priority INT
)
This prority is then forwarded to the xrootd on the workers.
Revision
19008 -
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Modified
Tue Jun 12 13:51:41 2007 UTC (7 years, 7 months ago) by
ganis
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 36932 byte(s)
Diff to
previous 18862
New files:
XrdProofGroup.h, .cxx
- Class describing a group and its properties
XrdProofdClient.h, .cxx
- Class describing a Xpd client (extracted from XrdProofdProtocol.h, .cxx)
XrdROOT.h, .cxx
- Class describing a ROOT version (extracted from XrdProofdProtocol.h, .cxx)
XrdProofdAux.h, .cxx
- Utility tools (extracted from XrdProofdProtocol.h, .cxx)
XrdProofdPlatform.h
- Platform-dependent system includes and defines common to all implementation
files (extracted from XrdProofdProtocol.cxx)
Patched files:
XrdProofdProtocol.h, .cxx
- Adapt to file re-organization
- Rationalization fo the way the relevant info is passed to 'proofserv':
a minimal set of environment variables is kept, the remaining parameters
are passed via a rootrc-like file created in the session working dir
- New directive "xpd.groupfile" to read a file defining groups and their
properties.
- New directive "xpd.datasetdir" to define the root path under which the
user data set dirs are created
- New directive "xpd.putrc" to input rootrc-like directives to be passed
straight to proofserv
TProofServ.cxx, TXProofServ.h, .cxx
- Read the session rootrc in the constructor
- Take relevant parameters from the session rootrc file
TProof.h
- Move protocol number up to 14 to be able to handle backward compatibility
issues due to changes in the info transfer mode between xpd and proofserv
pmain.cxx
- Take loglevel from argc #5
- Use logfile path generated by XrdProofdProtocol.cxx
Revision
18353 -
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Modified
Mon Mar 19 15:14:10 2007 UTC (7 years, 10 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 38398 byte(s)
Diff to
previous 18327
From Gerri:
- Support for multiple ROOT versions on a PROOF cluster.
TProofMgr::ShowROOTVersions() giving the following output:
root [0] TProof::Mgr("")->ShowROOTVersions()
----------------------------------------------------------
Available versions (tag ROOT-vers remote-path PROOF-version):
* cvs 5.15/03 /home/ganis/local/root/head/head 12
dev 5.15/03 /home/ganis/local/root/head/root 12
----------------------------------------------------------
- TProofMgr::SetROOTVersion(const char *version_tag)
to change the default for the user, eg
root [1] TProof::Mgr("")->SetROOTVersion("dev")
root [2] TProof::Mgr("")->ShowROOTVersions()
----------------------------------------------------------
Available versions (tag ROOT-vers remote-path PROOF-version):
cvs 5.15/03 /home/ganis/local/root/head/head 12
* dev 5.15/03 /home/ganis/local/root/head/root 12
----------------------------------------------------------
Available version are defined by the administrator via the
"xpd.rootsys" directive:
xpd.rootsys /home/ganis/local/root/head/head cvs
xpd.rootsys /home/ganis/local/root/head/root dev
in the xrootd config file.
- Improve error reporting in TXSocket
- Fix a problem with resetting a label in TProofProgressDialog
Revision
17562 -
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Modified
Mon Jan 29 15:11:11 2007 UTC (7 years, 11 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 38581 byte(s)
Diff to
previous 17553
Frrom Gerri:
There is a new classes TProofServLogHandler allowing to redirect
the output to the client in real-time. It has two main constructors,
one taking an external command (like BUILD.sh) and opening a pipe,
the other taking a pointer to a open file. TProofServ uses the class
via the guard class TProofServLogHandlerGuard to better localize the
usage. This redirection is not always activated. For the time being it
is active for Process and Cache actions,and it can be deactivated via
TProof::SetRealTimeLog(kFALSE)
(for BUILD.sh - executed externally - is always ON).
In particular, with the patch applied, the outputs from BUILD.shi
will scroll down on the screen, and clicking on "Show logs" in the
dialog box during process shows the messages and allows to see what
the session is doing: this is quite nice, because getting
an empty window from "Show Logs" is frustrating, in my opinion.
So, all this fixes the bug/request #16845.
The patch also fixes bug #22555 (hanging while enabling a package
without BUILD.sh) and several other small bugs (a couple of unitialized
variables) or typos.
It also cleanups the API a bit (we had SetQueryType and SetQueryMode
doing exactly the same thing ...).
Revision
17035 -
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Modified
Sun Dec 3 23:34:04 2006 UTC (8 years, 1 month ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 38476 byte(s)
Diff to
previous 16969
From Gerri:
0. Introduction of the static:
TProof::Mgr(const char *url)
to get the manager to the cluster; this gives access to all the manager
functionality, included Reset(). TProof::Reset() is removed.
1. Two new classes: TProofLog and TProofLogElem.
TProofLog contains a list of TProofLogElem, one per node. TProofLogElem
basically contains a TMacro plus methods to play with it.
2. The TProofLog object can be retrieved via the manager:
TProofLog *pl = TProof::Mgr("cluster")->GetSessionLogs()
by default the last session is retrieved: the signature for GetSessionLogs is
TProofLog *TProofMgr::GetSessionLogs(Int_t ridx, const char *stag)
the first argument is a reversed relative index (-1 gets the next to last
session), the second is the session unique tag; if the second is
specified the first is ignored.
3. TProofMgr has a new method ReadBuffer to quickly read a buffer from
a file via XrdProofd: this allows to avoid the second xrootd on the
redirector and in general is useful when a quick reading is needed.
Also, the buffer is always retrieved via the master, so we should not
have firewall problems in accessing directly the xrootd of the workers.
4. In the sandbox I have kept the .sessions file with the active sessions
and I have added .terminated in each session working dir which have
been terminated. On the master, each session working dir has the file
.workers with the relevant information about the workers.
5. The max number of old session workdirs is set to 10 by default
(configurable in xpd.cf): the sandbox is trimmed when closing a session.
6. Some unrelated changes/fixes contained in the patch:
- in XrdProofdProtocol:
- use of /proc (linux, solaris) or sysctl (mac) to verify/search
for running of a process. For other platforms I have left the
parsing of the output of 'ps'.
- I have introduced a 'cron' thread: it runs every minute and for
the moment it just cleans a vector; this is the place where to do
client independent actions, like checking if the config files have
changed, for example.
- I have added the possibility to control which user can access
the cluster; requested by Jan Fiete.
7. The patch contains also several fixes here and there I have found by
testing.
Revision
16839 -
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Modified
Mon Nov 20 15:56:36 2006 UTC (8 years, 2 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 38415 byte(s)
Diff to
previous 16826
From Maarten + Gerri:
Patch to allow run time configuration of proofserv environment. The client
can pass a set of shell variables to PROOF. These variables can be used
to startup different versions of the proofserv, or they can instruct the
system to run proofserv under valgrind or tcheck, etc. Main changes:
- default wrapper script for proofserv
- modifies the build system for the wrapper script
- adds a list of environment variables to TVirtualProof, which are
passed to the wrapper by proofd/xrootd.
- adds code to TProofServ to pickup these variables and pass them
along to the slaves/submasters
Revision
16796 -
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Modified
Thu Nov 16 17:18:32 2006 UTC (8 years, 2 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 37704 byte(s)
Diff to
previous 16775
Changes to get rid of the config.h and HAVE_CONFIG define. These were way
too trivial (just do a locate config.h to see how many there are):
- replace occurances of config.h by RConfigure.h
- add #warning in config.h that is should not be used
- change HAVE_CONFIG to R__HAVE_CONFIG
Revision
16775 -
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Modified
Wed Nov 15 17:45:55 2006 UTC (8 years, 2 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 37697 byte(s)
Diff to
previous 16664
From Gerri and Bertrand:
Fixes and new features developed in preparation for the Intel quad-core
launch demo:
- Add instantaneous event and MB processing rates in the Progress signal
and make necessary modification to exploit it in the Progress Dialog.
- Add possibility to change the Progress and Feedback periods
- A number of small improvements and bug fixes
Revision
16557 -
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Modified
Thu Oct 19 12:38:07 2006 UTC (8 years, 3 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 37736 byte(s)
Diff to
previous 16417
From Gerri:
Major set of robustness fixes, improving error reporting and reducing the
startup failures especially observed on AMD64. Summary of changes:
- XrdProofdProtocol.cxx, .h
- Remove zombie treatment: done by XrdScheduler::Reaper()
- Check the modification date of the PROOF config file so that changes
can be picked up on the fly
- Fix problem with the definition of the image
- Improved tracing (see etc/proof/xpd.cf.sample)
- Several bug fixes
- XrdProofConn
- fix problem with marshalling in case of retries.
- TProofServ, TXProofServ
- Add return codes to CreateServer() and Setup() for proper termination
in case of errors
- TProof
- Make sure that TXProofMgr is the last one in the list of sockets for proper
cleaning
Revision
15930 -
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Modified
Sat Aug 5 20:04:47 2006 UTC (8 years, 5 months ago) by
brun
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 38999 byte(s)
Diff to
previous 15857
From Gerri:
I have realized that the new tarball requires the mods to the XrdProofd plugin
that I wanted to keep separated. This explains the problem on Mac (and also
everywhere the plug-in is build).
It also contains the fix of the problem mention by Fons with selectors from a library.
Revision
15857 -
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Modified
Wed Jul 26 14:28:59 2006 UTC (8 years, 6 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 36064 byte(s)
Diff to
previous 15524
From Gerri:
TVirtualProof.h
- Add abstract methods methods to communicate the data set status
(signal + sender)
pmain.cxx
- Add call to Exit(0). T(X)ProofServ::Terminate() just interrupt the event
loop (insteadof exiting) to avoid problems when the terminate is run in
a separate thread (like in xproofd).
proof/inc/TProof.h
- Add methods methods to communicate the data set status (signal + sender)
- Increase protocol number to 11 (new merging technology)
proof/inc/TProofPlayer.h, .cxx
- Implement new merging technology for the output list to reduce memory
consumption: add methods to directly merge received objects in the
output list
- Polish cleaning of the various temporary lists and objects
TProofServ.h, .cxx
- Implement new merging technology for the output list to reduce memory
consumption: objects are sent one-by-one
- Do not scan for previous query results at Setup (do it when the client
requests for it first); thsi allows to speed up start-up when a large number
of queries is present and also allos to avoid warning due dictionaries
not yet loaded.
- Add method for a global cleanup of old query results.
- Keep in memory only meta information about processed queries (i.e. not the
output list) to avoid large memory consumption in case of large
output lists
- In Terminate, change the call to Exit(0) to ExitLoop() ; Exit(0) is
called in pmain.cxx .
TProof.cxx
- Implement new merging technology for the output list to reduce memory
consumption: objects are received one-by-one and directly merged in the
output list
- Add protection in parallel startup against invelid slaves.
- Remove check on directory existence in UploadDataSet.
- Add methods to handle notifications from data set verification
- Fix inconsistency with notification in activation/deactivation
of non-existing workers
TXProofServ.cxx
- In Terminate, change the call to Exit(0) to ExitLoop() ; Exit(0) is
called in pmain.cxx.
TQueryResult.cxx
- Make a owned copy of the input list (instead of just storing the pointer) to
allow proper cleaning.
Revision
15507 -
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Modified
Wed Jun 21 16:18:27 2006 UTC (8 years, 7 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 36044 byte(s)
Diff to
previous 15338
From Gerri:
The patch implements the following new functionality:
- Shutdown of idle sessions when quitting ROOT; if not idle the session
is shutdown as soon as processing terminates; it is possible to delay
the automatic shutdown by a tunable amount of time via a new directive
in the xrootd config file 'xpd.shutdown' (see xpd.cf.example).
- New static method TProof::Reset(const char *url) to hard-cleanup an
user area (implemented for Xproofd only); this implied quite some
additions in XrdProofdProtocol.
- Possibility to temporary remove / re-insert a worker from the active list
TProof::DeactivateWorker(const char *ord)
TProof::ActivateWorker(const char *ord)
with 'ord' the ordinal numer, e.g. "0.3" .
- A default url for the disk pool
const char *TVirtualProof::GetDataPoolUrl()
It is set by default to a string send back by the master, but it can
be changed via
void TVirtualProof::SetDataPoolUrl(const char *url)
Jan should then adapt his code to use this as default.
- Posibility to timeout Collect; for now this is only used at forced
termination.
The patch includes many small changes and bug fixes. One of the most important
is in TXNetSystem (a bug preventing correct treatment of multiple request
to the same redirector).
Revision
15338 -
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Modified
Mon Jun 5 22:51:14 2006 UTC (8 years, 7 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 32939 byte(s)
Diff to
previous 15320
From Gerri:
base/inc/TVirtualProof.h, proof/inc/TProof.h, proof/src/TProof.cxx
proof/src/TProofProgressDialog.cxx:
- fix a problem with the progress dialog when detaching a session:
a new signal CloseProgressDialog() is introduced, as well as the
possibility to empty the list of submitted queries at once via
TProof::Remove().
proofx/inc/TXHandler.h, .cxx:
- add generic argument to HandleInput() and HandleError().
proofx/inc/TXProofMgr.h, .cxx:
- move to new signature for HandleInput(), HandleError().
proof/inc/TSlave.h:
- add method to flush underlying socket.
proofx/inc/TXSlave.h, .cxx:
- move to new signature for HandleInput(), HandleError().
- implement new method to flush underlying socket.
proofx/inc/TXSocket.h, .cxx:
- Add method to flush socket.
- Handle interrupt messages in the reader thread.
- Remove interrupt semaphore (not needed any more).
- Remove timeout argument from GetInterrupt (not needed any more).
proofx/inc/TXProofServ.h, .cxx:
- move to new signature for HandleInput(), HandleError().
- implement interrupt handling in HandleInput().
- implement dedicated version of LockSession to deal with new format
of session tag (this is a bug fix).
proofd/inc/XrdProofConn.h, .cxx:
- Add mutex protection in the SendRecv method (it can be called from both
the reader and main threads).
proofd/src/XrdProofdProtocol.cxx:
- use an asynchronous message (instead of a signal) for interrupts.
proofx/inc/LinkDef.h, TXSocketHandler.h, .cxx, TXUnixSocket.cxx:
- add TXSocketHandler in the dictionary.
- cosmetics.
Revision
15320 -
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Modified
Fri Jun 2 23:38:20 2006 UTC (8 years, 7 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 30433 byte(s)
Diff to
previous 15312
From Gerri:
- Get rid of the env to communicate the file descriptor to TProofServ.
Also, get rid of Reads. I had to add an argument to the TProofServ
(and TXProofServ) constructor with the 'FILE *' of the open log file.
Using a global required to link with libProof(x) which we droped recently.
- Drop any (for the time being) unused AFS stuff from TProofServ (this
is postponed).
Revision
15312 -
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Modified
Fri Jun 2 15:14:35 2006 UTC (8 years, 7 months ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 30170 byte(s)
Diff to
previous 14752
From Gerri:
large PROOF patch. Main issues addressed:
- Output redirection to log file at 'proofserv' startup (instead of
after Setup())
- Log messages activated at session creation
- Session sandbox restructuring in such a way that the unique session
tag, created by the top master, uniquely identifies the session on
all nodes, for example on top master:
<User_Sandbox>/session-<top_master_session_tag>/
master-0-<top_master_session_tag>/master-0-<top_master_session_tag>.log
On worker 0.0
<User_Sandbox>/session-<top_master_session_tag>/
worker-0.0-<worker_0.0_session_tag>/worker-0.0-<worker_0.0_session_tag>.log
- Automatic creation of the dataset dir
- Improved handling of error conditions
- Reorganization of TProofServ and XrdProofdProtocol
- Several bug fixes, in particular in XrdProofdProtocol
Revision
13838 -
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Modified
Tue Jan 17 13:23:29 2006 UTC (9 years ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 26032 byte(s)
Diff to
previous 13662
From Gerri:
As I wrote TXProofServ before the introduction of TProofResources, I forgot
to use the new class in TXProofServ::Setup(). While fixing this I realized
that we do not really need the dedicated method
TProofResourcesStatic::GetWorkDir(), which basically duplicates
TProofResourcesStatic::ReadConfigFile(). Also, I realized that the check
on the master working dir (which requires the inclusion of TProof.h and
TProofServ.h) is actually a tautology and can be removed.
TProofResourcesStatic.h,.cxx
- Remove method GetWorkDir()
- Use 'const char *' in the constructor arguments
- Remove redundant check on master work dir (this allows to drop inclusion
of TProof.h and TProofServ.h)
TProofServ.cxx
- In Setup(), changes needed by the optmization in TProofResourcesStatic
TXProofServ.cxx
- In Setup(), use TProofResourcesStatic to parse the content of the config file
Revision
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Added
Mon Dec 12 12:54:27 2005 UTC (9 years, 1 month ago) by
rdm
Original Path:
trunk/proofx/src/TXProofServ.cxx
File length: 27479 byte(s)
From Gerri:
- last part of the major PROOF upgrade to support disconnect/reconnect
features using the libXrdProofd.so xrootd plugin.
More on how to configure and run with xrootd/xproofd coming very soon.
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