We are using the defaults for these values. Keep in mind we are allowing between 5-50 max connections per postmaster. Here is an example of our largest database. It is 7.9GB we allow 50 max connections and the buffers are set to 16000/125MB. This is our master database and it has a lot of activity as compared to the other databases. We run VACUUM at midday VACUUM FULL at night, VACUUM ANALYZE on weekends.
Thanks
Alvaro Herrera wrote:
John R Allgood wrote:
Hey Tom
Thanks for responding. This issue came around because of a situation
yesterday with processes being killed off by the kernel. I believe my co
worker Geof Myers sent a post yesterday and the response was to adjust the
vm.commit_memory=2. Several time throughout the day we see memory usage
peak and then it will go down. We have multiple postmasters running for
each of our division so that I we have a problem with a database it only
affects that one. It make it diffucult to tune a system with this many
postmasters running. Each database is tuned according to need. We allow
anywhere between 5-50 max connections. So what I am looking for is?
Any of work_mem or maintenance_worm_mem set too high can cause excessive
memory usage. What do you have these set to?