Re: Minor optimisation of XLogInsert() - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Minor optimisation of XLogInsert()
Date
Msg-id CA+TgmoaWTx-SpvafS9XN_EWCfha9CnBxgfob26Z7Sk9FfFEG0Q@mail.gmail.com
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In response to Minor optimisation of XLogInsert()  (Simon Riggs <simon@2ndQuadrant.com>)
Responses Re: Minor optimisation of XLogInsert()
List pgsql-hackers
On Tue, Nov 15, 2011 at 6:24 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
> Patch adds cacheline padding around parts of XLogCtl.
>
> Idea from way back, but never got performance tested in a situation
> where WALInsertLock was the bottleneck.
>
> So this is speculative, in need of testing to investigate value.

I kicked off a round of benchmarking around this.  I'll post results
in a few hours when the run finishes.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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