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MDEV-28539 Some InnoDB counters are duplicating generic SHOW STATUS

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The InnoDB srv_stats counters
n_rows_updated, n_rows_deleted, n_rows_inserted, and n_rows_read
are duplicating
Handler_update, Handler_delete, Handler_write, and Handler_read_ counters.

Updating those counters is not free, especially because some counters
are furthermore split to distinguish a rare case of modifying tables
in the system schema.
This commit is contained in:
Marko Mäkelä
2022-05-13 16:39:45 +03:00
parent 6b9bba41e8
commit 0dab74ff3f
16 changed files with 6 additions and 882 deletions
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8
mysql-test/suite/innodb/r/innodb_status_variables.result
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@@ -74,14 +74,6 @@ INNODB_ROW_LOCK_TIME
INNODB_ROW_LOCK_TIME_AVG
INNODB_ROW_LOCK_TIME_MAX
INNODB_ROW_LOCK_WAITS
INNODB_ROWS_DELETED
INNODB_ROWS_INSERTED
INNODB_ROWS_READ
INNODB_ROWS_UPDATED
INNODB_SYSTEM_ROWS_DELETED
INNODB_SYSTEM_ROWS_INSERTED
INNODB_SYSTEM_ROWS_READ
INNODB_SYSTEM_ROWS_UPDATED
INNODB_NUM_OPEN_FILES
INNODB_TRUNCATED_STATUS_WRITES
INNODB_AVAILABLE_UNDO_LOGS