Postgresql 9.1 benchmark (on KVM guests)

james james at
Mon May 20 22:25:20 PDT 2013

 > Linux ext4 with nobarrier option (crazy option, you must only use it 
with raid controller) debrid all the FS.

If it never flushes writes from the system cache (or does so in an 
inconsistent order) then a RAID controller isn't going to save your 

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