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Re: LWLock contention: I think I understand the problem

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>
Cc: pgman(at)candle(dot)pha(dot)pa(dot)us, pgsql-hackers(at)postgresql(dot)org, jwbaker(at)acm(dot)org
Subject: Re: LWLock contention: I think I understand the problem
Date: 2001-12-30 16:52:58
Message-ID: 221.1009731178@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-odbc
Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> writes:
> Your patches seem lightly enhanced 7.2 performance on AIX 5L (still
> slower than 7.1, however).

It's awfully hard to see what's happening near the left end of that
chart.  May I suggest plotting the x-axis on a log scale?

			regards, tom lane

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