Search Postgresql Archives

Re: some queries on standby preventing replication updates

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Oct 27, 2014 at 6:22 AM, Emanuel Calvo <emanuel.calvo@xxxxxxxxxxxxxxx> wrote:

El 23/10/14 a las 17:40, Joe Van Dyk escibió:
> Hi,
>
> I have a master and a slave database.
>
> I've got hot_standby_feedback turned on,
> max_standby_streaming_delay=-1. I've configured the master and slave
> to keep a few days of WALs around.
>
> I've noticed that when some large queries are run on the standby
> machine (ones that take more than a minute or so), replication updates
> are paused. Is there a way to fix this?
>
You may need to set a value on max_standby_streaming_delay, which
controls the time
before cancelling the standby queries when a conflict occurs on a
wal-records-about-to-be-applied.

Source:
http://www.postgresql.org/docs/9.3/static/runtime-config-replication.html

I'm using -1 for that option, would using something different be better? 

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux