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Re: Re: BUG #12990: Missing pg_multixact/members files (appears to have wrapped, then truncated) - Mailing list pgsql-bugs

From Thomas Munro
Subject Re: Re: BUG #12990: Missing pg_multixact/members files (appears to have wrapped, then truncated)
Date
Msg-id CAEepm=13WNtTQkhCbU9NoFXQ_HCA8QZmoZvS52g=LT1cuMwE2Q@mail.gmail.com
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In response to Re: Re: BUG #12990: Missing pg_multixact/members files (appears to have wrapped, then truncated)  (Thomas Munro <thomas.munro@enterprisedb.com>)
Responses Re: Re: BUG #12990: Missing pg_multixact/members files (appears to have wrapped, then truncated)  (Amit Kapila <amit.kapila16@gmail.com>)
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On Tue, Apr 28, 2015 at 6:30 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> Tomorrow I will send a separate patch for the autovacuum changes that
> I sent earlier.  Let's discuss and hopefully eventually commit that
> separately.

Here is a separate patch which makes autovacuum start a wrap-around
vacuum sooner if the member space is running out, by adjusting
autovacuum_multixact_freeze_max_age using a progressive scaling
factor.  This version includes a clearer implementation of
autovacuum_multixact_freeze_max_age_adjusted provided by Kevin
Grittner off-list.

--
Thomas Munro
http://www.enterprisedb.com
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