We create 300000 files named from 00000000 to 000493E0 in one
directory, then delete it in order.
Tests taken on ext3+htree and reiserfs. ext3 w/o htree hadn't
evaluated because it will take long long time ...
both filesystems was mounted with noatime,nodiratime and ext3 was
data=writeback to be somewhat fair ...
real user sys
reiserfs:
Creating: 3m13.208s 0m4.412s 2m54.404s
Deleting: 4m41.250s 0m4.206s 4m17.926s
Ext3:
Creating: 4m9.331s 0m3.927s 2m21.757s
Deleting: 9m14.838s 0m3.446s 1m39.508s
htree improved this a much but it still beaten by reiserfs. seems odd
to me - deleting taking twice time then creating ...
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