Re: [PERFORM] slow server : s_lock and _bt_checkkeys on perf top

2015-03-06 Thread Soni M
Thanks All for the response, finally we figure it out. The slow is due to high number of dead rows on main table, repack these tables wipe out the issue. On Mar 6, 2015 9:31 PM, "Merlin Moncure" wrote: > On Wed, Mar 4, 2015 at 1:31 PM, Soni M wrote: > > Hello All, > > > > Master db size 1.5 TB >

Re: [PERFORM] slow server : s_lock and _bt_checkkeys on perf top

2015-03-06 Thread Merlin Moncure
On Wed, Mar 4, 2015 at 1:31 PM, Soni M wrote: > Hello All, > > Master db size 1.5 TB > All postgres 9.1.13 installed from RHEL package. > It has streaming replica and slony replica to another servers. > > Server performance is slower than usual, before that, there's a big query > got cancelled and

Re: [PERFORM] slow server : s_lock and _bt_checkkeys on perf top

2015-03-05 Thread Jim Nasby
On 3/4/15 1:31 PM, Soni M wrote: Hello All, Master db size 1.5 TB All postgres 9.1.13 installed from RHEL package. It has streaming replica and slony replica to another servers. Server performance is slower than usual, before that, there's a big query got cancelled and then performance get slow