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Message-ID: <a769871e0909270527j5d4a6a51ycb5627ebe94704be@mail.gmail.com> Date: Sun, 27 Sep 2009 14:27:55 +0200 From: wbrana@...il.com To: linux-kernel@...r.kernel.org Subject: ext4/reiser3/btr directory create/read perf Hello, I executed benchmark which creates and reads 10000 directories. It is much slower with ext4 than with reiser3 or btrfs. ext4 without dir_index void cfs::vdirs_create(): 7754 msec void cfs::vdirs_read(): 3363 msec reiser3 void cfs::vdirs_create(): 1173 msec void cfs::vdirs_read(): 421 msec btrfs void cfs::vdirs_create(): 1331 msec void cfs::vdirs_read(): 567 msec MD RAID10-f2, 64 kB chunk size Source code: http://www.sendspace.com/file/bconaa depends on Qt Core, has hard-coded paths -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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