LVM, RAID, XFS and EXT3 file systems tuning for small files massive heavy load
Jul 29, 2010, 21:06 (0 Talkback[s])
(Other stories by André Felipe Machado)
[ Thanks to Andre Felipe Machado for
this link. ]
"Thousands concurrent parallel read write accesses over
tens of millions of small files is a terrible performance tuning
problem for e-mail servers.
"You must understand and fine tune all your infrastructure
chain, following the previous articles for data storage and
multipath on Debian 5.x Lenny.
"We reduced the CPU I/O wait from 30% to 0,3% (XFS) and 5%
(EXT3) with these combined previously undocumented file system
tuning tips."
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