| From: | Dev Kumkar <devdas(dot)kumkar(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: [GENERAL] pg_multixact issues |
| Date: | 2014-09-26 08:06:22 |
| Message-ID: | CALSLE1Pe22dK8ULkGEQd3X3jOrA32Xs2zkxU2OAaUOTU4z+a0Q@mail.gmail.com |
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| Lists: | pgsql-general pgsql-hackers pgsql-sql |
On Fri, Sep 19, 2014 at 1:23 PM, Dev Kumkar <devdas(dot)kumkar(at)gmail(dot)com> wrote:
> Apologies for the delay, was working/troubleshooting same issue and was
> away from my emails. :(
> Regards...
>
Received the database with huge pg_multixact directory of size 21G and
there are ~82,000 files in "pg_multixact/members" and 202 files in
"pg_multixact/offsets" directory.
Did run "vacuum full" on this database and it was successful. However now
am not sure about pg_multixact directory. truncating this directory except
0000 file results into database start up issues, of course this is not
correct way of truncating.
FATAL: could not access status of transaction 13224692
Stumped ! Please provide some comments on how to truncate pg_multixact
files and if there is any impact because of these files on database
performance.
Regards...
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