Hello Rooters! I have questions about root file size... I save a Tree in a file (with 1 branch) and I want to make this file as small as possible... Fisrtly, I was thinking that in the SetCompressionLevel(J) function, for bigger J, the filesize should be smaller. But It don't seem to be... Is it normal or am I doing something wrong? Secondly, I have remarked that the file size is very dependent to the Branch buffersize; but I don't know how: If for a given number of entries I find "the best" buffer size, for a different number of entries the "best" buffer size is also different. Why ? Thank you for your answer, Olivier Meplan
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