Search Postgresql Archives

Re: pg_rewind and WAL size...

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

 



On Tue, Nov 22, 2016 at 9:40 PM,  <marin@xxxxxxxx> wrote:
> Am I doing something wrong? Would tweaking some checkpoint parameters help
> reduce the WAL volume?

The answer to this question is likely yes. wal_log_hints enforces a
FPW for the first modification of a page even if that's for some hint
bits. This generates traffic for OLTP types of workloads where many
pages are dirtied and flushed at checkpoint.
-- 
Michael


-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general



[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