cost of tdb transactions on ext4 with barriers

tridge at tridge at
Fri Feb 12 18:08:55 MST 2010

 > I am also told that using fdatasync() instead of fsync() may help quite
 > a bit on ext3/ext4, we do not use fdatasync() in tdb right now it is
 > worth trying imo.

You're right that we should use fdatasync(), although in the tests
I've done it didn't make any noticeable difference.

Cheers, Tridge

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