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Re: 10K vs 15k rpm for analytics - Mailing list pgsql-performance

From Francisco Reyes
Subject Re: 10K vs 15k rpm for analytics
Date
Msg-id cone.1267566789.958128.32557.1000@shelca
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In response to 10K vs 15k rpm for analytics  (Francisco Reyes <lists@stringsutils.com>)
List pgsql-performance
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Greg Smith writes:

> in a RAID10, given proper read-ahead adjustment.  I get over 200MB/s out
> of the 3-disk RAID0 on my home server without even trying hard.  Can you

Any links/suggested reading on "read-ahead adjustment". I understand this
may be OS specific, but any info would be helpfull.

Currently have 24 x 10K rpm drives and only getting about 400MB/sec.

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