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  1. MariaDB Server
  2. MDEV-30929

Sporadic failure in spider.spider_fixes_part

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    Description

      While preparing MariaDB 10.11.2 for Debian I noticed in https://launchpadlibrarian.net/657664639/buildlog_ubuntu-lunar-ppc64el.mariadb_1%3A10.11.2-2~ubuntu23.04.1~1679807146.b55a2e269b8.dev.otto_BUILDING.txt.gz that test spider.spider_fixes_part failed with "mysqltest: At line 492: sync_with_master failed: 'select master_pos_wait('master-bin.000003', 692, 300, '')' returned NULL indicating slave SQL thread failure":

      spider.spider_fixes_part                 w2 [ fail ]
              Test ended at 2023-03-26 05:57:41
       
      CURRENT_TEST: spider.spider_fixes_part
      analyze: sync_with_master
      mysqltest: At line 492: sync_with_master failed: 'select master_pos_wait('master-bin.000003', 692, 300, '')' returned NULL indicating slave SQL thread failure
       
      The result from queries just before the failure was:
      < snip >
      KEY idx1(b),
      KEY idx2(c)
      ) MASTER_1_ENGINE MASTER_1_CHARSET MASTER_1_COMMENT3_P_2_1
      INSERT INTO ta_l_int (a, b, c) VALUES (1, 2, 3);
      INSERT INTO ta_l_int (a, b, c) SELECT a + 1, b + 1, c + 1 FROM ta_l_int;
      INSERT INTO ta_l_int (a, b, c) SELECT a + 2, b + 2, c + 2 FROM ta_l_int;
      INSERT INTO ta_l_int (a, b, c) SELECT a + 4, b + 4, c + 4 FROM ta_l_int;
      INSERT INTO ta_l_int (a, b, c) SELECT a + 8, b + 8, c + 8 FROM ta_l_int;
      connection master_1;
      SELECT a, b, c FROM ta_l_int force index(primary, idx1, idx2)
      WHERE a = 5 OR b = 5 OR c = 5 ORDER BY a;
      a	b	c
      3	4	5
      4	5	6
      5	6	7
       
      2.26
      auto_increment with partition
      connection master_1;
      connection slave1_1;
       
      More results from queries before failure can be found in /<<PKGBUILDDIR>>/builddir/mysql-test/var/2/log/spider_fixes_part.log
       
       
       == /<<PKGBUILDDIR>>/builddir/mysql-test/var/2/tmp/analyze-sync_with_master-mysqld.1.1.err ==
       
      ############################## default ##############################
       
      **** SHOW WARNINGS on default ****
      SHOW WARNINGS;
      Level	Code	Message
       
      **** SELECT replication-related variables on default ****
      SELECT NOW(), @@SERVER_ID;
      NOW()	@@SERVER_ID
      2023-03-26 05:57:41	1
       
      **** SHOW SLAVE STATUS on default ****
      SHOW SLAVE STATUS;
       
      **** SHOW MASTER STATUS on default ****
      SHOW MASTER STATUS;
      File	master-bin.000003
      Position	692
      Binlog_Do_DB	
      Binlog_Ignore_DB	
       
      **** SHOW SLAVE HOSTS on default ****
      SHOW SLAVE HOSTS;
      Server_id	8
      Host	localhost
      Port	16007
      Master_id	1
       
      **** SHOW PROCESSLIST on default ****
      SHOW PROCESSLIST;
      Id	User	Host	db	Command	Time	State	Info	Progress
      92	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      93	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      94	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      95	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      96	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      97	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      98	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      99	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      100	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      101	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      102	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      103	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      104	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      105	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      106	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      107	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      108	system user		NULL	Sleep	1	Reset for next command	NULL	0.000
      109	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      110	system user		NULL	Daemon	NULL	Spider table background statistics action handler	NULL	0.000
      111	system user		NULL	Daemon	NULL	Spider table background cardinality action handler	NULL	0.000
      112	root	localhost:57406	NULL	Binlog Dump	0	Master has sent all binlog to slave; waiting for more updates	NULL	0.000
      113	root	localhost	NULL	Query	0	starting	SHOW PROCESSLIST	0.000
       
      **** SHOW BINARY LOGS on default ****
      SHOW BINARY LOGS;
      Log_name	File_size
      master-bin.000001	8704
      master-bin.000002	419
      master-bin.000003	692
       
      **** SHOW BINLOG EVENTS on default ****
      binlog_name = 'master-bin.000003'
      SHOW BINLOG EVENTS IN 'master-bin.000003';
      Log_name	Pos	Event_type	Server_id	End_log_pos	Info
      master-bin.000003	4	Format_desc	1	256	Server ver: 10.11.2-MariaDB-2~ubuntu23.04.1~1679807146.b55a2e, Binlog ver: 4
      master-bin.000003	256	Gtid_list	1	299	[0-1-39]
      master-bin.000003	299	Binlog_checkpoint	1	343	master-bin.000002
      master-bin.000003	343	Binlog_checkpoint	1	387	master-bin.000003
      master-bin.000003	387	Gtid	1	429	BEGIN GTID 0-1-40
      master-bin.000003	429	Query	1	620	use `mtr`; INSERT INTO test_suppressions (pattern) VALUES ( NAME_CONST('pattern',_latin1'unknown variable' COLLATE 'latin1_swedish_ci'))
      master-bin.000003	620	Query	1	692	COMMIT
       
      **** SHOW RELAYLOG EVENTS on default ****
      relaylog_name = 'No such row'
      SHOW RELAYLOG EVENTS IN 'No such row';
      Log_name	Pos	Event_type	Server_id	End_log_pos	Info
      connection default;
      

      Attachments

        1. stdout
          2.24 MB
        2. spider_fixes_part-1.out
          87 kB
        3. mysqld-relay-bin.000001
          2 kB
        4. master-bin.000003
          3 kB
        5. master-bin.000002
          1 kB
        6. master-bin.000001
          24 kB

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              ycp Yuchen Pei
              otto Otto Kekäläinen
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                Updated:
                Resolved:

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