On Monday 29 August 2011 at 15:30 Adriano dos Santos Fernandes wrote: > 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.
Yes, I know. So in essence I was testing FW=OFF. The results are still valid though, as long as the context is understood. Unfortunately it is not easy to understand the context as there are so many variables and the defaults are not consistent. Paul -- Paul Reeves http://www.ibphoenix.com Specialists in Firebird support ------------------------------------------------------------------------------ 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
