Horton

Re: our buffer replacement strategy is kind of lame

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

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Greg Stark <stark@mit.edu>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2012-01-02T17:41:47Z
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. Split work of bgwriter between 2 processes: bgwriter and checkpointer.

Simon Riggs <simon@2ndQuadrant.com> writes:
> Does anyone have a better idea for reducing BufFreelistLock
> contention? Something simple that will work for 9.2?

Get rid of the freelist?  Once shared buffers are full, it's just about
useless anyway.  But you'd need to think about the test cases that you
pay attention to, as there might be scenarios where it remains useful.

			regards, tom lane