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MDEV-30658 lock_row_lock_current_waits counter in information_schema.innodb_metrics may become negative

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MONITOR_OVLD_ROW_LOCK_CURRENT_WAIT monitor should has
MONITOR_DISPLAY_CURRENT flag set in its definition, as it shows the
current state and does not accumulate anything.

Reviewed by: Marko Mäkelä
This commit is contained in:
Vlad Lesin
2023-10-03 20:07:39 +03:00
parent 422774b40a
commit 96ae37abc5
5 changed files with 133 additions and 2 deletions
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2
mysql-test/suite/innodb/r/innodb_skip_innodb_is_tables.result
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@ -50,7 +50,7 @@ lock_rec_locks lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabl
lock_table_lock_created lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled counter Number of table locks created
lock_table_lock_removed lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled counter Number of table locks removed from the lock queue
lock_table_locks lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled counter Current number of table locks on tables
lock_row_lock_current_waits lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled status_counter Number of row locks currently being waited for (innodb_row_lock_current_waits)
lock_row_lock_current_waits lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled value Number of row locks currently being waited for (innodb_row_lock_current_waits)
lock_row_lock_time lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled status_counter Time spent in acquiring row locks, in milliseconds (innodb_row_lock_time)
lock_row_lock_time_max lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled value The maximum time to acquire a row lock, in milliseconds (innodb_row_lock_time_max)
lock_row_lock_waits lock 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL disabled status_counter Number of times a row lock had to be waited for (innodb_row_lock_waits)