framework/resources/Datasources/metadata_caching/notes.txt

#9411 files block-size = 10307921;
#20390 files block-size = 5030000;
#50497 files block-size = 2030000;
#99501 files block-size = 1030000;
#146815 files block-size = 698000;
#204938 files block-size = 500000;