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Cleanup: MONITOR_EXISTING trx_undo_slots_used, trx_undo_slots_cached

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Let us remove explicit updates of MONITOR_NUM_UNDO_SLOT_USED
and MONITOR_NUM_UNDO_SLOT_CACHED, and let us compute the rough values
from trx_sys.rseg_array[] on demand.
This commit is contained in:
Marko Mäkelä
2023-04-21 17:58:18 +03:00
parent 86767bcc0f
commit 204e7225dc
6 changed files with 33 additions and 22 deletions
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4
mysql-test/suite/innodb/r/innodb_skip_innodb_is_tables.result
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@ -164,8 +164,8 @@ trx_commits_insert_update transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NUL
trx_rollbacks transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 counter Number of transactions rolled back
trx_rollbacks_savepoint transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 counter Number of transactions rolled back to savepoint
trx_rseg_history_len transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 value Length of the TRX_RSEG_HISTORY list
trx_undo_slots_used transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 counter Number of undo slots used
trx_undo_slots_cached transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 counter Number of undo slots cached
trx_undo_slots_used transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 value Number of undo slots used
trx_undo_slots_cached transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 value Number of undo slots cached
trx_rseg_current_size transaction 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 value Current rollback segment size in pages
purge_del_mark_records purge 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 counter Number of delete-marked rows purged
purge_upd_exist_or_extern_records purge 0 NULL NULL NULL 0 NULL NULL NULL NULL NULL NULL NULL 0 counter Number of purges on updates of existing records and updates on delete marked record with externally stored field