Re: Low Budget Performance - Mailing list pgsql-performance

From Mario Weilguni
Subject Re: Low Budget Performance
Date
Msg-id 200210290807.50625.mweilguni@sime.com
Whole thread Raw
In response to Low Budget Performance  (eric soroos <eric-psql@soroos.net>)
Responses Re: Low Budget Performance  ("Josh Berkus" <josh@agliodbs.com>)
List pgsql-performance
Am Montag, 28. Oktober 2002 22:56 schrieb eric soroos:
> Raid?
> 0 gives better latency if the controller reads from whichever gets the data
> first. It's unclear if IDE or software raid actually does this though. 1
> Gives better throughput, at a cost to latency.
> 5 Like 1 but with redundancy. It's unclear if I'll be able to do this
> without hardware SCSI raid.

Just for the raid part, we've very good expiriences with Raid 10. Performs well and has mirroring. Avoid Raid 5 if
possible,write performance will suffer greatly. 

Regards,
    Mario Weilguni

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