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Re: Re: [COMMITTERS] pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold < - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Re: [COMMITTERS] pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <
Date
Msg-id 20591.1460555524@sss.pgh.pa.us
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In response to Re: Re: [COMMITTERS] pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Re: [COMMITTERS] pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <  (Robert Haas <robertmhaas@gmail.com>)
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Robert Haas <robertmhaas@gmail.com> writes:
> I have never understood why you didn't include 64-bit atomics in the
> original atomics implementation, and I really think we should have
> committed a patch to add them long before now.

What will you do on 32-bit platforms (or, more generally, anything
lacking 64-bit-wide atomics)?
        regards, tom lane

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