On Tue, Mar 11, 2014 at 8:30 AM, Matthew Chambers <mchamb...@wetafx.co.nz>wrote:
> Hi, just wondering if this is normal, DB is operating just fine. > > I upped bgwriter_lru_maxpages to 200 and issued a reload. Normally, I'd > see the bgwriter constantly churning as one of my main I/O using processes, > but now I have: > > postgres: wal writer process > postgres: checkpointer process > > The wal writer seems to have taken over. Does this make sense? > What WAL writer does is completely different from the way bgwriter functions. These two critical background processes of PostgreSQL performing independent I/O operations independently.One cannot take over another. which version of Postgres is this ? Do you see anything in the Postgres logs ? Do you see any message which indicates that reloading of the new configuration in postgresql.conf file was successful ? Venkata Balaji N Sr. Database Administrator Fujitsu Australia