Re: [HACKERS] Vacuum Delay feature

From: Jan Wieck <JanWieck(at)Yahoo(dot)com>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, PostgreSQL Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [HACKERS] Vacuum Delay feature
Date: 2004-02-12 20:22:28
Message-ID: 402BE084.7010705@Yahoo.com
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Bruce Momjian wrote:

> Jan Wieck wrote:
>> Attached is a corrected version that solves the query cancel problem by
>> not napping any more and going full speed as soon as any signal is
>> pending. If nobody objects, I'm going to commit this tomorrow.
>
> Jan, three questions. First, is this useful now that we have the new
> cache replacement code, second, do we need this many parameters (can't
> any of them be autotuned), and third, what about documentation?
>

You mean if stopping to nap is useful when a signal is pending or if
napping during vacuum itself is useful at all?

I am willing to make it all self tuning and automagic. Just tell me how.

Documentation is missing so far. Will work on that.

Jan

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