| From: | Gaetano Mendola <mendola(at)bigfoot(dot)com> |
|---|---|
| To: | josh(at)agliodbs(dot)com |
| Cc: | "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: futex results with dbt-3 |
| Date: | 2004-10-23 23:20:46 |
| Message-ID: | 417AE74E.7030004@bigfoot.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
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Josh Berkus wrote:
| Gaetano,
|
|
|>I proposed weeks ago to see how the CSStorm is affected by stick each
|>backend in one processor ( where the process was born ) using the
|>cpu-affinity capability ( kernel 2.6 ), is this proposal completely out of
|>mind ?
|
|
| I don't see how that would help. The problem is not backends switching
| processors, it's the buffermgrlock needing to be swapped between processors.
This is not clear to me. What happen if during a spinlock a backend is
moved away from one processor to another one ?
Regards
Gaetano Mendola
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