Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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None
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None
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centos 5
uname -a
Linux xxx 2.6.18-308.24.1.el5 #1 SMP Tue Dec 4 17:43:34 EST 2012 x86_64 x86_64 x86_64 GNU/Linux
mysql Ver 15.1 Distrib 5.5.29-MariaDB, for Linux (x86_64) using readline 5.1
Description
141203 11:46:38 [Note] /usr/sbin/mysqld: Normal shutdown
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141203 11:46:45 [Note] Slave I/O thread exiting, read up to log 'mysql-bin.046421', position 104858337
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141203 11:46:46 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see http://kb.askmonty.org/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 5.5.29-MariaDB-log
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key_buffer_size=262144
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read_buffer_size=8388608
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max_used_connections=201
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max_threads=202
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thread_count=21206
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1761298 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x0x2aac9e836cc0
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x2aaec74040b0 thread_stack 0x48000
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(my_addr_resolve failure: fork)
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/usr/sbin/mysqld(my_print_stacktrace+0x2e) [0xa975ee]
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/usr/sbin/mysqld(handle_fatal_signal+0x44c) [0x6d4fcc]
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/lib64/libpthread.so.0 [0x30ed80ebe0]
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/usr/sbin/mysqld [0x5b6d88]
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/usr/sbin/mysqld(JOIN::exec()+0x888) [0x5ce198]
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/usr/sbin/mysqld(st_select_lex_unit::exec()+0x1d2) [0x601e92]
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/usr/sbin/mysqld(mysql_union(THD*, LEX*, select_result*, st_select_lex_unit*, unsigned long)+0x2d) [0x60467d]
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/usr/sbin/mysqld(handle_select(THD*, LEX*, select_result*, unsigned long)+0x8a) [0x5d12fa]
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/usr/sbin/mysqld [0x57cc40]
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/usr/sbin/mysqld(mysql_execute_command(THD*)+0x793) [0x57f4d3]
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/usr/sbin/mysqld(mysql_parse(THD*, char*, unsigned int, Parser_state*)+0x1b1) [0x585f61]
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/usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x153a) [0x5874aa]
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/usr/sbin/mysqld(do_command(THD*)+0xd2) [0x587842]
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/usr/sbin/mysqld(do_handle_one_connection(THD*)+0x143) [0x63ddb3]
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/usr/sbin/mysqld(handle_one_connection+0x4c) [0x63defc]
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/lib64/libpthread.so.0 [0x30ed80677d]
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/lib64/libc.so.6(clone+0x6d) [0x30ed0d3c1d]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x358bf338): SELECT ...
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FROM locations loc
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LEFT OUTER JOIN fc
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ON fc.sLocType = loc.sType
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AND fc.sLocCode = loc.sCode
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AND fc.sCustomCode = 'TWC'
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AND fc.sPeriod1FcastShort IS NOT NULL
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WHERE loc.sType = 'DIST'
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AND loc.sCode = 'S00'
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....
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UNION
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...
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Connection ID (thread ID): 82256764
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Status: KILL_SERVER
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Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off
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The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
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information that should help you find out what is causing the crash.
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141203 11:47:06 mysqld_safe Number of processes running now: 0
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141203 11:47:06 mysqld_safe mysqld restarted
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141203 11:47:06 [Warning] The syntax '--log-slow-queries' is deprecated and will be removed in a future release. Please use '--slow-query-log'/'--slow-query-log-file' instead.
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141203 11:47:06 [Warning] An old style --language or -lc-message-dir value with language specific part detected: /usr/share/mysql/english/
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141203 11:47:06 [Warning] Use --lc-messages-dir without language specific part instead.
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141203 11:47:06 InnoDB: The InnoDB memory heap is disabled
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141203 11:47:06 InnoDB: Mutexes and rw_locks use GCC atomic builtins
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141203 11:47:06 InnoDB: Compressed tables use zlib 1.2.3
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141203 11:47:06 InnoDB: Using Linux native AIO
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141203 11:47:06 InnoDB: Error: Linux Native AIO is not supported on tmpdir.
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InnoDB: You can either move tmpdir to a file system that supports native AIO
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InnoDB: or you can set innodb_use_native_aio to FALSE to avoid this message.
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141203 11:47:06 InnoDB: Error: Linux Native AIO check on tmpdir returned error[22]
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141203 11:47:06 InnoDB: Warning: Linux Native AIO disabled.
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141203 11:47:06 InnoDB: Initializing buffer pool, size = 6.0G
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141203 11:47:07 InnoDB: Completed initialization of buffer pool
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141203 11:47:07 InnoDB: highest supported file format is Barracuda.
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InnoDB: The log sequence number in ibdata files does not match
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InnoDB: the log sequence number in the ib_logfiles!
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141203 11:47:07 InnoDB: Database was not shut down normally!
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InnoDB: Starting crash recovery.
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InnoDB: Reading tablespace information from the .ibd files...
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InnoDB: Restoring possible half-written data pages from the doublewrite
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InnoDB: buffer...
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InnoDB: In a MySQL replication slave the last master binlog file
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InnoDB: position 18251098, file name mysql-bin.046419
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InnoDB: and relay log file
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InnoDB: position 18251382, file name ./mysqld-relay-bin.062653
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InnoDB: Last MySQL binlog file position 0 15525751, file name /database/tlog/mysql-bin.070307
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141203 11:47:10 InnoDB: Waiting for the background threads to start
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141203 11:47:11 Percona XtraDB (http://www.percona.com) 1.1.8-29.3 started; log sequence number 4858350400666
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141203 11:47:11 [Note] Plugin 'FEEDBACK' is disabled.
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141203 11:47:11 [Note] Recovering after a crash using /database/tlog/mysql-bin
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141203 11:47:11 [Note] Starting crash recovery...
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141203 11:47:11 [Note] Crash recovery finished.
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This occurred after a replication stopped on all slaves due to error
Last_SQL_Error: Error 'Incorrect key file for table 'l_sample';
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try to repair it' on query. Default database: ''.
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Query: 'CREATE UNIQUE INDEX `idx_l_sample_1` ON l_sample (`source`,`timestamp_utc`,`latitude`,`longitude`)'
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Most slaves responded after
mysql> stop slave;
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mysql> set global sql_slave_skip_counter = 1;
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mysql> start slave;
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Except for the one server.
"it didn't respond to the STOP SLAVE command. That is, the MySQL prompt didn't reappear. This was replicated in a second SSH session, ie I could connect and run SHOW SLAVE STATUS but after running STOP SLAVE it didn't respond.
Also, the load average was ridiculously high. The index appears to have been created in some slaves (in particular twcddbl01, aptwcpdb011 and aptwcpdb021), but not on others (aptwcpdb051)."
After that attempted restart of this production server which generated the backtrace above
# /etc/init.d/mysql restart
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Shutting down MySQL............The server quit without updating PID file (/var/lib/mysql/mysqld.pid).[FAILED]
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Failed to stop running server, so refusing to try to start.[FAILED]
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| l_sample | CREATE TABLE `l_sample` (
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`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
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`source` varchar(10) NOT NULL,
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`timestamp_utc` datetime NOT NULL,
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`latitude` decimal(10,7) NOT NULL,
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`longitude` decimal(10,7) NOT NULL,
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`amperage` decimal(5,1) DEFAULT NULL,
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`event_type` varchar(10) DEFAULT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `idx_l_sample_1` (`source`,`timestamp_utc`,`latitude`,`longitude`)
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) ENGINE=InnoDB AUTO_INCREMENT=24011281 DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC |
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The l_sample wasn't part of the UNION - it was a new table of relatively small size, plenty of space (147G+) and no io errors.
This is probably a oneoff that I won't be able to repeat.
Attachments
Issue Links
- relates to
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MDEV-714 LP:1020645 - crash (sig 11) with union query
- Closed