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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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