Re: Should pg_stat_bgwriter.buffers_backend_fsync be removed? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Should pg_stat_bgwriter.buffers_backend_fsync be removed?
Date
Msg-id 32548.1398572185@sss.pgh.pa.us
Whole thread Raw
In response to Should pg_stat_bgwriter.buffers_backend_fsync be removed?  (Peter Geoghegan <pg@heroku.com>)
Responses Re: Should pg_stat_bgwriter.buffers_backend_fsync be removed?  (Peter Geoghegan <pg@heroku.com>)
List pgsql-hackers
Peter Geoghegan <pg@heroku.com> writes:
> Backend fsyncs are theoretically still possible after the fsync
> request queue compaction patch (which was subsequently back-patched to
> all supported release branches). However, I'm reasonably confident
> that that patch was so effective as to make a backend fsync all but
> impossible.

What's your evidence for that claim?
        regards, tom lane



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