| From: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Timothy Garnett <tgarnett(at)panjiva(dot)com>, pgsql-bugs(at)postgresql(dot)org, Kevin Grittner <kgrittn(at)ymail(dot)com> |
| Subject: | Re: Re: BUG #12990: Missing pg_multixact/members files (appears to have wrapped, then truncated) |
| Date: | 2015-04-29 00:14:11 |
| Message-ID: | CAEepm=13WNtTQkhCbU9NoFXQ_HCA8QZmoZvS52g=LT1cuMwE2Q@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Tue, Apr 28, 2015 at 6:30 PM, Thomas Munro
<thomas(dot)munro(at)enterprisedb(dot)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
| Attachment | Content-Type | Size |
|---|---|---|
| memberswrap-autovacuum.patch | application/octet-stream | 5.9 KB |
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