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Re: WIP patch for parallel pg_dump - Mailing list pgsql-hackers

From Tom Lane
Subject Re: WIP patch for parallel pg_dump
Date
Msg-id 29609.1291661368@sss.pgh.pa.us
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In response to Re: WIP patch for parallel pg_dump  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Responses Re: WIP patch for parallel pg_dump  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
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"Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes:
> Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> No.  See subtransactions.
> Subtransactions are included in snapshots?

Sure, see GetSnapshotData().  You could avoid it by setting
suboverflowed, but that comes at a nontrivial performance cost.
        regards, tom lane

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