Horton

Re: measuring lwlock-related latency spikes

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Greg Stark <stark@mit.edu>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2012-04-02T21:27:56Z
Lists: pgsql-hackers

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On Apr 2, 2012, at 3:16 PM, Simon Riggs <simon@2ndQuadrant.com> wrote:
> Agreed, though I think it means the fsync is happening on a filesystem
> that causes a full system fsync. That time is not normal.

It's ext4, which AFAIK does not have that problem.

> 

...Robert