Re: MIT benchmarks pgsql multicore (up to 48)performance

From: Greg Stark <gsstark(at)mit(dot)edu>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Hakan Kocaman <hkocam(at)googlemail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: MIT benchmarks pgsql multicore (up to 48)performance
Date: 2010-10-04 18:06:27
Message-ID: AANLkTi=GTZEW5JDUcbmq1rrekdszJ0RPfAh0GUueFXpf@mail.gmail.com
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Here's a video on lock-free hashing for example:

http://video.google.com/videoplay?docid=2139967204534450862#

I guess by "lock-free in the uncontended case" they mean the buffer
cache manager is lock-free unless you're actually contending on the
same buffer?

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