On Tue, Nov 15, 2011 at 6:24 AM, Simon Riggs <si...@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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