Details
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Bug
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Status: Stalled (View Workflow)
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Major
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Resolution: Unresolved
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10.1, 10.2
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None
Description
In MariaDB Galera Cluster, when node which is "owner" of EVENT gets executed fine and that EVENT is SLAVESIDE_DISABLED on other nodes of cluster which seems correct.
However, when somehow "owner" of the EVENT node gets SST from other nodes of cluster then event status becomes SLAVESIDE_DISABLED too which seems incorrect.
It should get status back to ENABLED on SST on "originating" node of EVENT.
I think event status should be updated accordingly when mysqld starts up and load events and check originator of event via server_id may be.
[root@galera-node-3 /]#
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MariaDB [test]> CREATE TABLE `t1` ( `id` int(11) NOT NULL AUTO_INCREMENT, `time` datetime DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
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Query OK, 0 rows affected (0.03 sec)
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MariaDB [test]> CREATE EVENT e_min ON SCHEDULE EVERY 1 MINUTE DO INSERT INTO test.t1 values (null,now());
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Query OK, 0 rows affected (0.01 sec)
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MariaDB [test]> show events\G
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*************************** 1. row ***************************
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Db: test
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Name: e_min
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Definer: root@localhost
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Time zone: SYSTEM
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Type: RECURRING
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Execute at: NULL
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Interval value: 1
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Interval field: MINUTE
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Starts: 2019-04-03 19:42:46
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Ends: NULL
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Status: ENABLED
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Originator: 0
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character_set_client: utf8
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collation_connection: utf8_general_ci
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Database Collation: latin1_swedish_ci
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1 row in set (0.00 sec)
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MariaDB [test]> select * from t1;
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+----+---------------------+
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| id | time |
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+----+---------------------+
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| 6 | 2019-04-03 19:49:46 |
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| 9 | 2019-04-03 19:50:31 |
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| 12 | 2019-04-03 19:51:31 |
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+----+---------------------+
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3 rows in set (0.00 sec)
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[root@galera-node-2 /]#
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MariaDB [test]> show events\G
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*************************** 1. row ***************************
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Db: test
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Name: e_min
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Definer: root@localhost
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Time zone: SYSTEM
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Type: RECURRING
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Execute at: NULL
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Interval value: 1
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Interval field: MINUTE
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Starts: 2019-04-03 19:42:46
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Ends: NULL
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Status: SLAVESIDE_DISABLED
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Originator: 0
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character_set_client: utf8
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collation_connection: utf8_general_ci
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Database Collation: latin1_swedish_ci
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1 row in set (0.00 sec)
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[root@galera-node-1 /]#
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MariaDB [test]> show events\G
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*************************** 1. row ***************************
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Db: test
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Name: e_min
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Definer: root@localhost
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Time zone: SYSTEM
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Type: RECURRING
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Execute at: NULL
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Interval value: 1
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Interval field: MINUTE
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Starts: 2019-04-03 19:42:46
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Ends: NULL
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Status: SLAVESIDE_DISABLED
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Originator: 0
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character_set_client: utf8
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collation_connection: utf8_general_ci
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Database Collation: latin1_swedish_ci
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1 row in set (0.01 sec)
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Now, trigger SST on node3 which is "owner" of event.
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[root@galera-node-3 mysql]# rm -fr *
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[root@galera-node-3 mysql]# /etc/init.d/mysql start
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Starting MySQL.190403 19:55:16 mysqld_safe Logging to '/var/lib/mysql/galera-node-3.err'.
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190403 19:55:16 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
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....... SUCCESS!
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MariaDB [test]> show events\G
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*************************** 1. row ***************************
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Db: test
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Name: e_min
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Definer: root@localhost
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Time zone: SYSTEM
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Type: RECURRING
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Execute at: NULL
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Interval value: 1
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Interval field: MINUTE
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Starts: 2019-04-03 19:50:31
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Ends: NULL
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*Status: SLAVESIDE_DISABLED*
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Originator: 0
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character_set_client: utf8
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collation_connection: utf8_general_ci
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Database Collation: latin1_swedish_ci
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1 row in set (0.00 sec)
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