Re: Impact of multixact "members" limit exceeded

2018-06-14 Thread Daniel Lagerman
y are not younger than 100 million. They were all over the default value of 150 as are the remaining 2, relminxid/relfrozenid advanced, relminxid to match NextMultiXactID and age went down. But good point to keep in mind. Best regards Daniel On Thu, Jun 14, 2018 at 7:15 PM, Alvaro Herrera wr

Re: Impact of multixact "members" limit exceeded

2018-06-14 Thread Daniel Lagerman
ep it going since it seems to have a good pace now. Many thanks for your insight and guidance! Best regards Daniel On Thu, Jun 14, 2018 at 10:37 AM, Alvaro Herrera wrote: > Hello Daniel > > The advice from Lawrence downthread is very much on point. If you can > upgrade to 9.5, do it. He

Re: Impact of multixact "members" limit exceeded

2018-06-14 Thread Daniel Lagerman
> as presumably newer Postgres versions correctly no-op when a transaction > tries locking a row when its parent is already present in the multixact. > > This comes with the disclaimer of a Postgres amateur, it simply seemed > relevant to your situation. > > Lawrence >

Re: Impact of multixact "members" limit exceeded

2018-06-13 Thread Daniel Lagerman
ver completed on the bigger tables which are around 2 TB. Best regards Daniel On Wed, Jun 13, 2018 at 11:29 PM, Alvaro Herrera wrote: > On 2018-Jun-13, Daniel Lagerman wrote: > > > Hello! > > > > I have a question where I'm trying to determine the seriousness of the >

Impact of multixact "members" limit exceeded

2018-06-13 Thread Daniel Lagerman
Hello! I have a question where I'm trying to determine the seriousness of the problem. I repacked a table to give space back to the OS and that was fine. However since then I just noted that I see multixact "members" limit exceeded every time there is an insert on that table. A Vacuum has yet to

Re: What specific circumstances trigger Autovacuum wraparound

2018-06-05 Thread Daniel Lagerman
east close the gap so that are confident that we will catch up. Best regards Daniel On Mon, Jun 4, 2018 at 11:47 PM, David G. Johnston < david.g.johns...@gmail.com> wrote: > On Monday, June 4, 2018, Daniel Lagerman wrote: > >> I have a pg 9.4.3 server that has one table with

What specific circumstances trigger Autovacuum wraparound

2018-06-04 Thread Daniel Lagerman
Hello! Please note that I have read: https://www.postgresql.org/docs/current/static/routine-vacuuming.html#VACUUM-FOR-WRAPAROUND And I think i understand how the settings are supposed work, however I do have a question in regards to Autovaccum wrap-around and how it is triggered. I have a pg 9.4.