On Tue, Nov 22, 2016 at 9:40 PM, <marin@kset.org> 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
