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MDEV-7102: Incorrect PSI_stage_info message in SHOW PROCESSLIST during parallel replication

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In parallel replication, threads can do two different waits for a prior
transaction. One is for the prior transaction to start commit, the other is
for it to complete commit.

It turns out that the same PSI_stage_info message was errorneously used in
both cases (probably a merge error), causing SHOW PROCESSLIST to be
misleading.

Fix by using correct, distinct message in each case.
This commit is contained in:
Kristian Nielsen
2014-11-13 09:56:28 +01:00
parent ecc33da2ca
commit a98a034c5e
3 changed files with 5 additions and 2 deletions
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1
sql/mysqld.h
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@ -448,6 +448,7 @@ extern PSI_stage_info stage_binlog_processing_checkpoint_notify;
extern PSI_stage_info stage_binlog_stopping_background_thread;
extern PSI_stage_info stage_waiting_for_work_from_sql_thread;
extern PSI_stage_info stage_waiting_for_prior_transaction_to_commit;
extern PSI_stage_info stage_waiting_for_prior_transaction_to_start_commit;
extern PSI_stage_info stage_waiting_for_room_in_worker_thread;
extern PSI_stage_info stage_master_gtid_wait_primary;
extern PSI_stage_info stage_master_gtid_wait;