Re: Adjustment of spinlock sleep delays

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Mike Mascari <mascarm(at)mascari(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Adjustment of spinlock sleep delays
Date: 2003-08-05 22:12:17
Message-ID: 13474.1060121537@sss.pgh.pa.us
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Mike Mascari <mascarm(at)mascari(dot)com> writes:
> Should there be any correlation between the manner by which the
> backoff occurs and the number of active backends?

If we could guess how many are contending for the same spinlock, maybe
we could use that info ... but I don't see a reasonably cheap way to do
so.

regards, tom lane

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