mysql> SELECT * FROM fabric.log; +---------------------------+----------------------------+------------------------------+-----------------------------------------------------------------------+----------+------+ | subject | reported | reporter | message | category | type | +---------------------------+----------------------------+------------------------------+-----------------------------------------------------------------------+----------+------+ | 0 | 2016-05-16 06:48:47.000000 | mysql.fabric.services.manage | Fabric node version (1.5.6) started. | 0 | 0 | | manage.ping | 2016-05-16 06:48:52.000000 | mysql.fabric.command | Started command (manage, ping). | 1 | 0 | | manage.ping | 2016-05-16 06:48:52.000000 | mysql.fabric.command | Finished command (manage, ping). | 1 | 1 | .. | dump.servers | 2016-05-16 06:55:53.000000 | mysql.fabric.command | Finished command (dump, servers). | 1 | 1 | | dump.sharding_information | 2016-05-16 06:55:53.000000 | mysql.fabric.command | Started command (dump, sharding_information). | 1 | 0 | | dump.sharding_information | 2016-05-16 06:55:53.000000 | mysql.fabric.command | Finished command (dump, sharding_information). | 1 | 1 | +---------------------------+----------------------------+------------------------------+-----------------------------------------------------------------------+----------+------+ 1297 rows in set (0.02 sec)
なんというか、どぱーと吐いている。
( ´-｀).oO(こんなトランザクションで保護される必要もなさそうな間っ平なログをMySQLに突っ込むとか、何考えてるのか小一時間問い詰めたい。
そしてなんか周辺の流れを見ても、何のフィルターもなく毎回INSERTされてるように見える。マジか（Python詳しい人誰か）
https://github.com/mysql/mysql-fabric/blob/release/1.5.5/lib/mysql/fabric/handler.py#L305-L307
$ mysqlbinlog -R -uroot -h 172.17.0.4 --stop-never -vv --start-position=182893 bin.000001 | grep "^#" .. # at 285377 #160516 15:55:53 server id 1 end_log_pos 285408 CRC32 0x7f70413b Xid = 5500 # at 285408 #160516 15:55:53 server id 1 end_log_pos 285473 CRC32 0xb35843f4 Anonymous_GTID last_committed=772 sequence_number=773 # at 285473 #160516 15:55:53 server id 1 end_log_pos 285555 CRC32 0xd3de3d80 Query thread_id=4 exec_time=0 error_code=0 # at 285555 #160516 15:55:53 server id 1 end_log_pos 285614 CRC32 0x12ff61e4 Table_map: `fabric`.`log` mapped to number 110 # at 285614 #160516 15:55:53 server id 1 end_log_pos 285734 CRC32 0x3c061fb3 Write_rows: table id 110 flags: STMT_END_F ### INSERT INTO `fabric`.`log` ### SET ### @1='dump.servers' /* VARSTRING(120) meta=120 nullable=0 is_null=0 */ ### @2=1463349353.000000 /* TIMESTAMP(6) meta=6 nullable=0 is_null=0 */ ### @3='mysql.fabric.command' /* VARSTRING(192) meta=192 nullable=0 is_null=0 */ ### @4='Finished command (dump, servers).' /* BLOB/TEXT meta=2 nullable=1 is_null=0 */ ### @5=1 /* INT meta=0 nullable=0 is_null=0 */ ### @6=1 /* INT meta=0 nullable=0 is_null=0 */ # at 285734 #160516 15:55:53 server id 1 end_log_pos 285765 CRC32 0x39af684e Xid = 5508 # at 285765 #160516 15:55:53 server id 1 end_log_pos 285830 CRC32 0xe449e1fe Anonymous_GTID last_committed=773 sequence_number=774 # at 285830 #160516 15:55:53 server id 1 end_log_pos 285912 CRC32 0x239e9184 Query thread_id=4 exec_time=0 error_code=0 # at 285912 #160516 15:55:53 server id 1 end_log_pos 285971 CRC32 0xe2235101 Table_map: `fabric`.`log` mapped to number 110 # at 285971 #160516 15:55:53 server id 1 end_log_pos 286116 CRC32 0xf5cc5f55 Write_rows: table id 110 flags: STMT_END_F ### INSERT INTO `fabric`.`log` ### SET ### @1='dump.sharding_information' /* VARSTRING(120) meta=120 nullable=0 is_null=0 */ ### @2=1463349353.000000 /* TIMESTAMP(6) meta=6 nullable=0 is_null=0 */ ### @3='mysql.fabric.command' /* VARSTRING(192) meta=192 nullable=0 is_null=0 */ ### @4='Started command (dump, sharding_information).' /* BLOB/TEXT meta=2 nullable=1 is_null=0 */ ### @5=1 /* INT meta=0 nullable=0 is_null=0 */ ### @6=0 /* INT meta=0 nullable=0 is_null=0 */
MySQL Routerを起動している間中、ずっとこれが来る。
それぞれのmysqlrouterから1秒に3リクエストずつ来ているらしく、そんな感じで倍々ゲームになっている:(;ﾞﾟ'ωﾟ'):
さてどうしようか。
【2016/05/17 13:46】
event_schedulerをOFFにしてたのがいけなかったのか！！！！
mysql> SELECT * FROM events\G
*************************** 1. row ***************************
EVENT_CATALOG: def
EVENT_SCHEMA: fabric
EVENT_NAME: prune_log
DEFINER: mikasa_fabric@127.0.0.1
TIME_ZONE: SYSTEM
EVENT_BODY: SQL
EVENT_DEFINITION: DELETE FROM log WHERE TIMEDIFF(UTC_TIMESTAMP(), reported) > MAKETIME(3600,0,0)
EVENT_TYPE: RECURRING
EXECUTE_AT: NULL
INTERVAL_VALUE: 3600
INTERVAL_FIELD: SECOND
SQL_MODE: NO_ENGINE_SUBSTITUTION
STARTS: 2016-04-04 15:49:10
ENDS: NULL
STATUS: ENABLED
ON_COMPLETION: NOT PRESERVE
CREATED: 2016-04-04 15:49:10
LAST_ALTERED: 2016-04-04 15:49:10
LAST_EXECUTED: NULL
EVENT_COMMENT:
ORIGINATOR: 33893
CHARACTER_SET_CLIENT: utf8
COLLATION_CONNECTION: utf8_general_ci
DATABASE_COLLATION: utf8_general_ci
*************************** 2. row ***************************
EVENT_CATALOG: def
EVENT_SCHEMA: fabric
EVENT_NAME: prune_error_log
DEFINER: mikasa_fabric@127.0.0.1
TIME_ZONE: SYSTEM
EVENT_BODY: SQL
EVENT_DEFINITION: DELETE FROM error_log WHERE TIMEDIFF(UTC_TIMESTAMP(), reported) > MAKETIME(3600,0,0)
EVENT_TYPE: RECURRING
EXECUTE_AT: NULL
INTERVAL_VALUE: 3600
INTERVAL_FIELD: SECOND
SQL_MODE: NO_ENGINE_SUBSTITUTION
STARTS: 2016-04-04 15:49:11
ENDS: NULL
STATUS: ENABLED
ON_COMPLETION: NOT PRESERVE
CREATED: 2016-04-04 15:49:11
LAST_ALTERED: 2016-04-04 15:49:11
LAST_EXECUTED: NULL
EVENT_COMMENT:
ORIGINATOR: 33893
CHARACTER_SET_CLIENT: utf8
COLLATION_CONNECTION: utf8_general_ci
DATABASE_COLLATION: utf8_general_ci
2 rows in set (0.00 sec)
mysql> SELECT @@event_scheduler;
+-------------------+
| @@event_scheduler |
+-------------------+
| OFF |
+-------------------+
1 row in set (0.00 sec)
MySQL Bugs: #73206: MySQL Fabric should report a warning when MySQL Event Scheduler is disabled
mysql> use fabric mysql> ALTER TABLE log Engine= Blackhole;
$ diff -C1 /usr/lib/python2.6/site-packages/mysql/fabric/handler.py handler.py *** /usr/lib/python2.6/site-packages/mysql/fabric/handler.py 2015-09-11 14:31:50.000000000 +0900 --- handler.py 2016-05-16 16:51:12.000000000 +0900 *************** *** 209,214 **** """ - persister.exec_stmt(_INSERT_FABRIC_LOG, - {"params": (subject, reported, reporter, info, info_category, - info_type)} - ) --- 209,210 ----
mysql> SHOW CREATE TABLE log\G *************************** 1. row *************************** Table: log Create Table: CREATE TABLE `log` ( `subject` varchar(40) NOT NULL, `reported` timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), `reporter` varchar(64) NOT NULL, `message` text, `category` int(11) NOT NULL, `type` int(11) NOT NULL, KEY `key_subject_reported` (`subject`,`reported`), KEY `key_reporter` (`reporter`), KEY `key_reported` (`reported`), KEY `key_category` (`category`), KEY `key_type` (`type`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 1 row in set (0.00 sec)
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