Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <

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От Andres Freund
Тема Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <
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Msg-id 20160417170437.pkvekmv6igdgruas@alap3.anarazel.de
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Ответ на Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <  (David Steele <david@pgmasters.net>)
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> Second, I don't think it will improve and become performant without
> exposure to a wider audience.

Huh? The issue is a relatively simple to spot architectural issue
(taking a single exclusive lock during snapshot acquiration which only
needs shared locks otherwise) - I don't see how any input it's needed.
And for that matter, I don't see why such a lock got through review.

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