Re: [HACKERS] [BUGS] Concurrent ALTER SEQUENCE RESTART Regression

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От Tom Lane
Тема Re: [HACKERS] [BUGS] Concurrent ALTER SEQUENCE RESTART Regression
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Msg-id 28546.1494534914@sss.pgh.pa.us
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Ответ на Re: [HACKERS] [BUGS] Concurrent ALTER SEQUENCE RESTART Regression  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
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Peter Eisentraut <peter.eisentraut@2ndquadrant.com> writes:
> On 5/10/17 12:24, Andres Freund wrote:
>> Upthread I theorized whether
>> that's actually still meaningful given fastpath locking and such, but I
>> guess we'll have to evaluate that.

> [ with or without contention, fast-path locking beats the extra dance that
> open_share_lock() does. ]

That is pretty cool.  It would be good to verify the same on master,
but assuming it holds up, I think it's ok to remove open_share_lock().
        regards, tom lane



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