Re: [HACKERS] [parallel query] random server crash while running tpc-h query on power2

2016-08-16 Thread Robert Haas
On Tue, Aug 16, 2016 at 1:05 AM, Rushabh Lathia wrote: > I agree, this make sense. > > Here is the patch to allocate worker instrumentation into same context > as the regular instrumentation which is per-query context. Looks good, committed. I am not sure it was a very

Re: [HACKERS] [parallel query] random server crash while running tpc-h query on power2

2016-08-15 Thread Rushabh Lathia
On Mon, Aug 15, 2016 at 6:02 PM, Robert Haas wrote: > On Sat, Aug 13, 2016 at 4:36 AM, Amit Kapila > wrote: > > AFAICS, your patch seems to be the right fix for this issue, unless we > > need the instrumentation information during execution (other

Re: [HACKERS] [parallel query] random server crash while running tpc-h query on power2

2016-08-15 Thread Robert Haas
On Sat, Aug 13, 2016 at 4:36 AM, Amit Kapila wrote: > AFAICS, your patch seems to be the right fix for this issue, unless we > need the instrumentation information during execution (other than for > explain) for some purpose. Hmm, I disagree. It should be the job of

Re: [HACKERS] [parallel query] random server crash while running tpc-h query on power2

2016-08-13 Thread Amit Kapila
On Sat, Aug 13, 2016 at 11:10 AM, Rushabh Lathia wrote: > Hi All, > > Recently while running tpc-h queries on postgresql master branch, I am > noticed > random server crash. Most of the time server crash coming while turn tpch > query > number 3 - (but its very random).

[HACKERS] [parallel query] random server crash while running tpc-h query on power2

2016-08-12 Thread Rushabh Lathia
Hi All, Recently while running tpc-h queries on postgresql master branch, I am noticed random server crash. Most of the time server crash coming while turn tpch query number 3 - (but its very random). Call Stack of server crash: (gdb) bt #0 0x102aa9ac in ExplainNode