Document LWTRANCHE_PARALLEL_HASH_JOIN.
Thomas Munro Discussion: http://postgr.es/m/CAEepm=3g1hhbFzYkR_QT9RmBvsGX4UaeCtX-4Js8OOEMmFeaSQ@mail.gmail.com
This commit is contained in:
parent
ce1663cdcd
commit
73797b7884
|
@ -845,7 +845,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
|
|||
|
||||
<tbody>
|
||||
<row>
|
||||
<entry morerows="63"><literal>LWLock</literal></entry>
|
||||
<entry morerows="64"><literal>LWLock</literal></entry>
|
||||
<entry><literal>ShmemIndexLock</literal></entry>
|
||||
<entry>Waiting to find or allocate space in shared memory.</entry>
|
||||
</row>
|
||||
|
@ -1121,6 +1121,11 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
|
|||
<entry>Waiting to choose the next subplan during Parallel Append plan
|
||||
execution.</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry><literal>parallel_hash_join</literal></entry>
|
||||
<entry>Waiting to allocate or exchange a chunk of memory or update
|
||||
counters during Parallel Hash plan execution.</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry morerows="9"><literal>Lock</literal></entry>
|
||||
<entry><literal>relation</literal></entry>
|
||||
|
|
|
@ -520,6 +520,7 @@ RegisterLWLockTranches(void)
|
|||
"shared_tuplestore");
|
||||
LWLockRegisterTranche(LWTRANCHE_TBM, "tbm");
|
||||
LWLockRegisterTranche(LWTRANCHE_PARALLEL_APPEND, "parallel_append");
|
||||
LWLockRegisterTranche(LWTRANCHE_PARALLEL_HASH_JOIN, "parallel_hash_join");
|
||||
|
||||
/* Register named tranches. */
|
||||
for (i = 0; i < NamedLWLockTrancheRequests; i++)
|
||||
|
|
Loading…
Reference in New Issue