Re: Registering LWTRANCHE_PARALLEL_HASH_JOIN

2018-02-28 Thread Robert Haas
On Tue, Feb 27, 2018 at 3:58 PM, Thomas Munro wrote: > On Wed, Feb 28, 2018 at 8:39 AM, Robert Haas wrote: >> On Sat, Feb 10, 2018 at 6:07 PM, Thomas Munro >> wrote: >>> I forgot to register a display name for LWTRANCHE_PARALLEL_HASH_JOIN, >>> the tranche ID used by the LWLock that Parallel Hash

Re: Registering LWTRANCHE_PARALLEL_HASH_JOIN

2018-02-27 Thread Thomas Munro
On Wed, Feb 28, 2018 at 8:39 AM, Robert Haas wrote: > On Sat, Feb 10, 2018 at 6:07 PM, Thomas Munro > wrote: >> I forgot to register a display name for LWTRANCHE_PARALLEL_HASH_JOIN, >> the tranche ID used by the LWLock that Parallel Hash uses when handing >> out chunks of memory. Please see atta

Re: Registering LWTRANCHE_PARALLEL_HASH_JOIN

2018-02-27 Thread Robert Haas
On Sat, Feb 10, 2018 at 6:07 PM, Thomas Munro wrote: > I forgot to register a display name for LWTRANCHE_PARALLEL_HASH_JOIN, > the tranche ID used by the LWLock that Parallel Hash uses when handing > out chunks of memory. Please see attached. I think that you need to insert some weasel words int

Registering LWTRANCHE_PARALLEL_HASH_JOIN

2018-02-10 Thread Thomas Munro
Hi, I forgot to register a display name for LWTRANCHE_PARALLEL_HASH_JOIN, the tranche ID used by the LWLock that Parallel Hash uses when handing out chunks of memory. Please see attached. It's rare for this LWLock to show up in pg_stat_activity, but if you stick pg_usleep(1) into ExecParalle