[PERFORM] Re: Multi processor server overloads occationally with system process while running postgresql-9.4

2015-10-03 Thread ajaykbs
Sorry about the formatting. I am posting the same lines again. I am working in a public company who uses only open source applications and databases. I have a problem with our critical database which is write and read intensive. version: Postgresql-9.4 Hardware: HP DL980 (8-processor, 80 cores

Re: [PERFORM] Multi processor server overloads occationally with system process while running postgresql-9.4

2015-10-03 Thread Andres Freund
On 2015-10-03 01:39:33 -0700, ajaykbs wrote: > It is observed that at some times during moderate load > the CPU usage goes up to 400% and the users are not able to complete the > queries in expected time. But the load is contributed by some system process > only.The average connections are normally

Re: [PERFORM] Multi processor server overloads occationally with system process while running postgresql-9.4

2015-10-03 Thread Wei Shan
Are you using any connection pooler in front of the database? On 3 Oct 2015 17:04, "Gavin Flower" wrote: > On 03/10/15 21:39, ajaykbs wrote: > >> I am working in a public company who uses only open source applications >> and databases. I have a problem with our critical database which is write >>

Re: [PERFORM] Multi processor server overloads occationally with system process while running postgresql-9.4

2015-10-03 Thread Gavin Flower
On 03/10/15 21:39, ajaykbs wrote: I am working in a public company who uses only open source applications and databases. I have a problem with our critical database which is write and read intensive. *version:* Postgresql-9.4 *Hardware:* HP DL980 (8-processor, 80 cores w/o hyper threading, 512G

[PERFORM] Multi processor server overloads occationally with system process while running postgresql-9.4

2015-10-03 Thread ajaykbs
I am working in a public company who uses only open source applications and databases.I have a problem with our critical database which is write and read intensive.*version:* Postgresql-9.4*Hardware:* HP DL980 (8-processor, 80 cores w/o hyper threading, 512GB RAM)*Operating system: *Red Hat Enterpr