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Update the names of Parallel Hash Join phases.

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Commit 3048898e dropped -ING from some wait event names that correspond
to barrier phases.  Update the phases' names to match.

While we're here making cosmetic changes, also rename "DONE" to "FREE".
That pairs better with "ALLOCATE", and describes the activity that
actually happens in that phase (as we do for the other phases) rather
than describing a state.  The distinction is clearer after bugfix commit
3b8981b6 split the phase into two.  As for the growth barriers, rename
their "ALLOCATE" phase to "REALLOCATE", which is probably a better
description of what happens then.  Also improve the comments about
the phases a bit.

Discussion: https://postgr.es/m/CA%2BhUKG%2BMDpwF2Eo2LAvzd%3DpOh81wUTsrwU1uAwR-v6OGBB6%2B7g%40mail.gmail.com
This commit is contained in:
Thomas Munro
2021-03-17 18:24:45 +13:00
parent 3b8981b6e1
commit 378802e371
5 changed files with 104 additions and 101 deletions
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4
src/include/pgstat.h
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@ -982,12 +982,12 @@ typedef enum
WAIT_EVENT_HASH_BUILD_ELECT,
WAIT_EVENT_HASH_BUILD_HASH_INNER,
WAIT_EVENT_HASH_BUILD_HASH_OUTER,
WAIT_EVENT_HASH_GROW_BATCHES_ALLOCATE,
WAIT_EVENT_HASH_GROW_BATCHES_REALLOCATE,
WAIT_EVENT_HASH_GROW_BATCHES_DECIDE,
WAIT_EVENT_HASH_GROW_BATCHES_ELECT,
WAIT_EVENT_HASH_GROW_BATCHES_FINISH,
WAIT_EVENT_HASH_GROW_BATCHES_REPARTITION,
WAIT_EVENT_HASH_GROW_BUCKETS_ALLOCATE,
WAIT_EVENT_HASH_GROW_BUCKETS_REALLOCATE,
WAIT_EVENT_HASH_GROW_BUCKETS_ELECT,
WAIT_EVENT_HASH_GROW_BUCKETS_REINSERT,
WAIT_EVENT_LOGICAL_SYNC_DATA,