1+ CREATE EXTENSION pg_stat_wait;
12SELECT * FROM pg_wait_event;
23 class_id | event_id | name
34----------+----------+-----------------------------------
4- 0 | 0 |
5- 1 | 0 |
5+ 1 | 0 | BufFreelistLock
66 1 | 1 | ShmemIndexLock
77 1 | 2 | OidGenLock
88 1 | 3 | XidGenLock
@@ -40,33 +40,28 @@ SELECT * FROM pg_wait_event;
4040 1 | 35 | AutoFileLock
4141 1 | 36 | ReplicationSlotAllocationLock
4242 1 | 37 | ReplicationSlotControlLock
43- 1 | 38 | CommitTsControlLock
44- 1 | 39 | CommitTsLock
45- 1 | 40 | ReplicationOriginLock
46- 1 | 41 | UserDefinedLocks
47- 1 | 42 | WALInsertLocks
48- 1 | 43 | CLogBufferLocks
49- 1 | 44 | CommitTSBufferLocks
50- 1 | 45 | SubtransBufferLocks
51- 1 | 46 | MultiXactOffsetBufferLocks
52- 1 | 47 | MultiXactMemberBufferLocks
53- 1 | 48 | BufferMgrLocks
54- 1 | 49 | BufferLWLocks
55- 1 | 50 | LockMgrLWLocks
56- 1 | 51 | OldSerXidBufferLocks
57- 1 | 52 | PredicateLWLocks
58- 1 | 53 | ProcessLocks
59- 1 | 54 | AsyncBufferLocks
43+ 1 | 38 | UserDefinedLocks
44+ 1 | 39 | WALInsertLocks
45+ 1 | 40 | CLogBufferLocks
46+ 1 | 41 | SubtransBufferLocks
47+ 1 | 42 | MultiXactOffsetBufferLocks
48+ 1 | 43 | MultiXactMemberBufferLocks
49+ 1 | 44 | BufferMgrLocks
50+ 1 | 45 | BufferLWLocks
51+ 1 | 46 | LockMgrLWLocks
52+ 1 | 47 | OldSerXidBufferLocks
53+ 1 | 48 | PredicateLWLocks
54+ 1 | 49 | ProcessLocks
55+ 1 | 50 | AsyncBufferLocks
6056 2 | 0 | Relation
6157 2 | 1 | RelationExtend
6258 2 | 2 | Page
6359 2 | 3 | Tuple
6460 2 | 4 | Transaction
6561 2 | 5 | VirtualTransaction
66- 2 | 6 | SpeculativeToken
67- 2 | 7 | Object
68- 2 | 8 | Userlock
69- 2 | 9 | Advisory
62+ 2 | 6 | Object
63+ 2 | 7 | Userlock
64+ 2 | 8 | Advisory
7065 3 | 0 | SMGR_READ
7166 3 | 1 | SMGR_WRITE
7267 3 | 2 | SMGR_FSYNC
@@ -81,7 +76,7 @@ SELECT * FROM pg_wait_event;
8176 5 | 1 | WRITE
8277 5 | 2 | SYSLOG
8378 6 | 0 | Allocations
84- (80 rows)
79+ (74 rows)
8580
8681SELECT * FROM pg_wait_class;
8782 class_id | name
@@ -97,7 +92,7 @@ SELECT * FROM pg_wait_class;
9792SELECT * FROM pg_wait_events;
9893 class_id | class_name | event_id | event_name
9994----------+-------------+----------+-----------------------------------
100- 1 | LWLocks | 0 |
95+ 1 | LWLocks | 0 | BufFreelistLock
10196 1 | LWLocks | 1 | ShmemIndexLock
10297 1 | LWLocks | 2 | OidGenLock
10398 1 | LWLocks | 3 | XidGenLock
@@ -135,33 +130,28 @@ SELECT * FROM pg_wait_events;
135130 1 | LWLocks | 35 | AutoFileLock
136131 1 | LWLocks | 36 | ReplicationSlotAllocationLock
137132 1 | LWLocks | 37 | ReplicationSlotControlLock
138- 1 | LWLocks | 38 | CommitTsControlLock
139- 1 | LWLocks | 39 | CommitTsLock
140- 1 | LWLocks | 40 | ReplicationOriginLock
141- 1 | LWLocks | 41 | UserDefinedLocks
142- 1 | LWLocks | 42 | WALInsertLocks
143- 1 | LWLocks | 43 | CLogBufferLocks
144- 1 | LWLocks | 44 | CommitTSBufferLocks
145- 1 | LWLocks | 45 | SubtransBufferLocks
146- 1 | LWLocks | 46 | MultiXactOffsetBufferLocks
147- 1 | LWLocks | 47 | MultiXactMemberBufferLocks
148- 1 | LWLocks | 48 | BufferMgrLocks
149- 1 | LWLocks | 49 | BufferLWLocks
150- 1 | LWLocks | 50 | LockMgrLWLocks
151- 1 | LWLocks | 51 | OldSerXidBufferLocks
152- 1 | LWLocks | 52 | PredicateLWLocks
153- 1 | LWLocks | 53 | ProcessLocks
154- 1 | LWLocks | 54 | AsyncBufferLocks
133+ 1 | LWLocks | 38 | UserDefinedLocks
134+ 1 | LWLocks | 39 | WALInsertLocks
135+ 1 | LWLocks | 40 | CLogBufferLocks
136+ 1 | LWLocks | 41 | SubtransBufferLocks
137+ 1 | LWLocks | 42 | MultiXactOffsetBufferLocks
138+ 1 | LWLocks | 43 | MultiXactMemberBufferLocks
139+ 1 | LWLocks | 44 | BufferMgrLocks
140+ 1 | LWLocks | 45 | BufferLWLocks
141+ 1 | LWLocks | 46 | LockMgrLWLocks
142+ 1 | LWLocks | 47 | OldSerXidBufferLocks
143+ 1 | LWLocks | 48 | PredicateLWLocks
144+ 1 | LWLocks | 49 | ProcessLocks
145+ 1 | LWLocks | 50 | AsyncBufferLocks
155146 2 | Locks | 0 | Relation
156147 2 | Locks | 1 | RelationExtend
157148 2 | Locks | 2 | Page
158149 2 | Locks | 3 | Tuple
159150 2 | Locks | 4 | Transaction
160151 2 | Locks | 5 | VirtualTransaction
161- 2 | Locks | 6 | SpeculativeToken
162- 2 | Locks | 7 | Object
163- 2 | Locks | 8 | Userlock
164- 2 | Locks | 9 | Advisory
152+ 2 | Locks | 6 | Object
153+ 2 | Locks | 7 | Userlock
154+ 2 | Locks | 8 | Advisory
165155 3 | Storage | 0 | SMGR_READ
166156 3 | Storage | 1 | SMGR_WRITE
167157 3 | Storage | 2 | SMGR_FSYNC
@@ -176,5 +166,5 @@ SELECT * FROM pg_wait_events;
176166 5 | Network | 1 | WRITE
177167 5 | Network | 2 | SYSLOG
178168 6 | Allocations | 0 | Allocations
179- (79 rows)
169+ (74 rows)
180170
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