Re: [GENERAL] AccessShareLock and Resource Contention

2013-11-26 Thread Jeff Janes
On Tue, Nov 26, 2013 at 9:50 AM, wrote: > Hit send on that one too soon. I see 6.5k access share locks out of 7.5k > transactions. > > > On Tue, Nov 26, 2013 at 12:41 PM, wrote: > >> I have a 9.2 server that occasionally becomes CPU bound. Disk wait is >> nominal and there's no memory pressure.

Re: [GENERAL] AccessShareLock and Resource Contention

2013-11-26 Thread Alvaro Herrera
> On Tue, Nov 26, 2013 at 12:41 PM, wrote: > > > I have a 9.2 server that occasionally becomes CPU bound. Disk wait is > > nominal and there's no memory pressure. The workload is almost all reads > > and the cache hit rate is high. Maybe you'd benefit from something like the patch proposed here

Re: [GENERAL] AccessShareLock and Resource Contention

2013-11-26 Thread maillists0
Hit send on that one too soon. I see 6.5k access share locks out of 7.5k transactions. On Tue, Nov 26, 2013 at 12:41 PM, wrote: > I have a 9.2 server that occasionally becomes CPU bound. Disk wait is > nominal and there's no memory pressure. The workload is almost all reads > and the cache hit

[GENERAL] AccessShareLock and Resource Contention

2013-11-26 Thread maillists0
I have a 9.2 server that occasionally becomes CPU bound. Disk wait is nominal and there's no memory pressure. The workload is almost all reads and the cache hit rate is high. For some one minute periods, my monitoring shows around 1.5k to 2k access share locks out of a total of 7.5 to 8k transacti