On 29/08/2011 10:24, Paul Reeves wrote: > On Monday 29 August 2011 at 13:35 Alexander Peshkov wrote: > >> Tested CREATE DATABASE on my old box. To avoid disk fragmentation >> effects database was always created on new shining partition. >> > I've found different results doing a large db restore. ext4 came out better > than ext3. I also found ext4 to be better than xfs. The tests were optimised > for large files, but I didn't consider barriers. :-( > > I guess I'll have to go and extend the test suite a bit and report back. > AFAIK restore happens with FW=OFF, i.e., without O_SYNC.
The main problem I see with ext4 is when O_SYNC is used. Adriano ------------------------------------------------------------------------------ EMC VNX: the world's simplest storage, starting under $10K The only unified storage solution that offers unified management Up to 160% more powerful than alternatives and 25% more efficient. Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
