… else (i.e. xfs) should be used. Traditionally our recommendation is xfs, and it comes to known problem in ext3, where IO gets serialized per i_node in O_DIRECT mode (check for example Domas‘s post) However… running MySQL benchmarks (to be published later) on ext4 vs xfs. Actually amount of threads does not affect the result significantly…
Comment: Linux schedulers in tpcc like benchmark
January 31, 2009 By 19 Comments
Domas, Yeah XFS rocks in terms of not serializing O_DIRECT writes and … data updates http://www.mysqlperformanceblog.com/2009/01/21/beware-ext3-and-sync-binlog-do-not-play-well-together/ The problem is most people run on EXT3 and it is hard to make them change 
Comment: How many fsync / sec FusionIO can handle
March 5, 2010 By 13 Comments
Domas, What is so funny ? The numbers Vadim provided mirror my … couple hundred per sec. Whether the file system is ext3/4 or xfs does not matter much (ignoring barriers and journaling for…
