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Re: LWLock contention: I think I understand the problem - Mailing list pgsql-hackers

From Tom Lane
Subject Re: LWLock contention: I think I understand the problem
Date
Msg-id 4665.1011813321@sss.pgh.pa.us
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In response to Re: LWLock contention: I think I understand the problem  (Bruce Momjian <pgman@candle.pha.pa.us>)
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Bruce Momjian <pgman@candle.pha.pa.us> writes:
> If we have one page with data, and 100 empty pages, and another page
> with data on the end, will VACUUM shrink that to two pages if no one is
> accessing the table, or does it do _only_ intra-page moves.

The only way to shrink that is VACUUM FULL.
        regards, tom lane

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