Re: Spread checkpoint sync

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Greg Smith <greg@2ndquadrant.com>, Ron Mayer <rm_pg@cheapcomplexdevices.com>, Josh Berkus <josh@agliodbs.com>, pgsql-hackers@postgresql.org
Date: 2011-01-31T17:01:48Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Add new buffers_backend_fsync field to pg_stat_bgwriter.

Robert Haas <robertmhaas@gmail.com> writes:
> 3. Pause for 3 seconds after every fsync.

> I think something along the lines of #3 is probably a good idea,

Really?  Any particular delay is guaranteed wrong.

			regards, tom lane