Re: Latch for the WAL writer - further reducing idle wake-ups.

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

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

To: Simon Riggs <simon@2ndQuadrant.com>

Cc: Peter Geoghegan <peter@2ndQuadrant.com>, Magnus Hagander <magnus@hagander.net>, Robert Haas <robertmhaas@gmail.com>, PG Hackers <pgsql-hackers@postgresql.org>

Date: 2012-05-07T18:44:24Z

Lists: pgsql-hackers

Commits

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Make bgwriter sleep longer when it has no work to do, to save electricity.
- 6d90eaaa89a0 9.2.0 cited

Simon Riggs <simon@2ndQuadrant.com> writes:
> On 7 May 2012 18:09, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I also notice that the separate-checkpointer patch failed to rename
>> assorted things like BgWriterCommLock, BgWriterRequest,
>> BgWriterShmemStruct, which are all 100% inappropriately named now.
>> And it still contains various obsolete comments referring to itself
>> as the background writer. Will see about cleaning that up.

> For want of a better name, keeping them the same seemed best.

I was just thinking s/BgWriter/Checkpointer/, do you think that's too
long?

			regards, tom lane