Hi, I have a plone2.5 web site in production on zope2.9 with more than 100 000 objects. I would like to analyse the content of the zodb to optimize the web site, find problems and better understand the ZODB.
So i have started using space.py script, and got the results in the joined csv file. BTrees.XX classes are the most important results. So i would like to understand what are those BTrees stuffs: BTrees._IOBTree.IOBucket BTrees._IIBTree.IISet BTrees._OIBTree.OIBucket BTrees._OOBTree.OOBTree BTrees._OOBTree.OOBucket BTrees._IIBTree.IIBucket BTrees._IIBTree.IITreeSet BTrees._IOBTree.IOBTree BTrees._IIBTree.IIBTree BTrees._OIBTree.OIBTree according to me, btrees are folders that support a large numbers of entries. why they are totalize 50% of the database (585MO of 1.3Go Data.fs) I have a Members folder that contains about 8500 folders, got something like 8500 btrees for a simple mail product (one per members), got the PLoneGazette product that store 1 btree folder, but not enough to make 50% of the database, or i have missed sth. Can anyone help me to understand those results ? -- JeanMichel FRANCOIS Makina Corpus
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