Thanks Tom, So is it normal for postgres to fork out new postmaster processes from the same data directory? I haven't seen this earlier.
I will check from where those connection requests are coming in, Best Regards Vikas On Feb 13, 2018 15:50, "Tom Lane" <t...@sss.pgh.pa.us> wrote: > Laurenz Albe <laurenz.a...@cybertec.at> writes: > > Vikas Sharma wrote: > >> On the master I can see multiple postmaster processes from the same > data directory. > >> ps -ef |grep -i postgres|grep postm > >> postgres 81440 1 0 Jan31 ? 00:11:37 > /usr/pgsql-9.4/bin/postmaster -D /var/lib/pgsql/9.4/data > >> postgres 97072 81440 0 12:17 ? 00:00:00 > /usr/pgsql-9.4/bin/postmaster -D /var/lib/pgsql/9.4/data > >> postgres 97074 81440 0 12:17 ? 00:00:00 > /usr/pgsql-9.4/bin/postmaster -D /var/lib/pgsql/9.4/data > > > The two other processes are children of the postmaster. > > It is strange that their process title did not get updated. > > Seeing that they're showing zero runtime, I bet that these are just-forked > children that have not had time to change their process title yet. > The thing that is strange is that you have a steady enough flow of new > connections that there are usually some children like that. > > > The "incomplete startup packet" is caused by processes that connect to > the > > PostgreSQL TCP port, but don't complete a database connection. > > Often these are monitoring or load balancing programs. > > Putting two and two together, you have some monitoring program that is > hitting the postmaster with a constant stream of TCP connection requests > none of which get completed, resulting in a whole lot of useless fork > activity. Dial down the monitoring. > > regards, tom lane >
