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Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile - Mailing list pgsql-hackers

From Tom Lane
Subject Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile
Date
Msg-id 21859.1337959369@sss.pgh.pa.us
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In response to Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile  (Merlin Moncure <mmoncure@gmail.com>)
Responses Re: 9.2beta1, parallel queries, ReleasePredicateLocks, CheckForSerializableConflictIn in the oprofile
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Merlin Moncure <mmoncure@gmail.com> writes:
> Hm, what if BufTableHashPartition() was pseudo randomized so that
> different backends would not get the same buffer partition for a
> particular tag?

Huh?  You have to make sure that different backends will find the same
buffer for the same page, so I don't see how that can possibly work.
        regards, tom lane

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