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mysqld는 간단한 쿼리를 실행할 때 신호 6을 받았습니다.
mysql이 다운되고 다시 시작되기 시작했습니다.시스템은 완전히 안정적이며, 다음 표를 만든 후 이러한 현상이 발생하기 시작했습니다.약 21만 개의 레코드를 성공적으로 삽입했습니다.INSERT INTO지휘권하지만 단순하게 실행할 때 서버가 다운되는 것을 발견했습니다.INSERT그리고.UPDATE그리고.SELECT명령을 실행합니다.
예를 들어 다음 쿼리를 실행할 때 서버가 충돌했습니다.SELECT * FROM tipstrade_2.tblVehicleLookups limit 1
문제를 파악하기 위한 힌트를 주시면 감사하겠습니다.
CREATE TABLE `tblVehicleLookups` (
`fldID` int(11) NOT NULL AUTO_INCREMENT,
`fldTicketID` char(12) NOT NULL,
`fldVRM` varchar(10) NOT NULL,
`fldVIN` char(17) NOT NULL,
`fldMake` varchar(32) NOT NULL,
`fldModel` varchar(32) NOT NULL,
`fldVehicle` varchar(255) NOT NULL,
`fldDiscriminator` varchar(255) NOT NULL,
`fldData` text NOT NULL,
`fldPrice` decimal(5,2) DEFAULT NULL,
`fldFreeAfter` date NOT NULL DEFAULT '0001-01-01',
`fldIsFree` bit(1) GENERATED ALWAYS AS (`fldFreeAfter` < cast(current_timestamp() as date)) VIRTUAL,
`fldCreated` datetime NOT NULL DEFAULT current_timestamp(),
`fldModified` datetime DEFAULT NULL ON UPDATE current_timestamp(),
`fldCarWebID` int(11) DEFAULT NULL,
PRIMARY KEY (`fldID`),
UNIQUE KEY `fldCarWebID` (`fldCarWebID`),
KEY `fldVRM` (`fldVRM`),
KEY `fldVIN` (`fldVIN`)
) ENGINE=InnoDB AUTO_INCREMENT=1310702 DEFAULT CHARSET=utf8
error.log
pure virtual method called
terminate called without an active exception
210215 13:12:40 [ERROR] mysqld got signal 6 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
To report this bug, see https://mariadb.com/kb/en/reporting-bugs
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed,
something is definitely wrong and this may fail.
Server version: 10.2.36-MariaDB-10.2.36+maria~xenial-log
key_buffer_size=1073741824
read_buffer_size=2097152
max_used_connections=152
max_threads=202
thread_count=153
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 2087104 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x7f016c0009a8
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 0x7f039d60fcc8 thread_stack 0x49000
/usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x561b050f699e]
/usr/sbin/mysqld(handle_fatal_signal+0x305)[0x561b04ba90d5]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7f0831b60390]
linux/raise.c:54(__GI_raise)[0x7f083112f438]
stdlib/abort.c:91(__GI_abort)[0x7f083113103a]
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(_ZN9__gnu_cxx27__verbose_terminate_handlerEv+0x16d)[0x7f083185c84d]
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(+0x8d6b6)[0x7f083185a6b6]
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(+0x8d701)[0x7f083185a701]
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(+0x8e23f)[0x7f083185b23f]
/usr/sbin/mysqld(_ZN4Item24get_date_with_conversionEP13st_mysql_timey+0x31)[0x561b04bbdf21]
/usr/sbin/mysqld(+0x459aaa)[0x561b04978aaa]
/usr/sbin/mysqld(_ZN14Arg_comparator16compare_temporalE16enum_field_types+0x4b)[0x561b04bdc09b]
/usr/sbin/mysqld(_ZN12Item_func_lt7val_intEv+0x2f)[0x561b04bd3abf]
/usr/sbin/mysqld(_ZN4Item13save_in_fieldEP5Fieldb+0x15c)[0x561b04bb86cc]
/usr/sbin/mysqld(_ZN5TABLE21update_virtual_fieldsEP7handler21enum_vcol_update_mode+0x13b)[0x561b04aba0bb]
/usr/sbin/mysqld(_ZN7handler11ha_rnd_nextEPh+0x1ba)[0x561b04badada]
/usr/sbin/mysqld(_Z13rr_sequentialP11READ_RECORD+0x35)[0x561b04cb7cc5]
/usr/sbin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x164)[0x561b04a3e5e4]
/usr/sbin/mysqld(_ZN4JOIN10exec_innerEv+0xb8b)[0x561b04a5e76b]
/usr/sbin/mysqld(_ZN4JOIN4execEv+0x33)[0x561b04a5e973]
/usr/sbin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0xeb)[0x561b04a5eabb]
/usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x12f)[0x561b04a5f3cf]
/usr/sbin/mysqld(+0x41b779)[0x561b0493a779]
/usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x32ac)[0x561b04a08d5c]
/usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x26e)[0x561b04a0e24e]
/usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0xba6)[0x561b04a0fb26]
/usr/sbin/mysqld(_Z10do_commandP3THD+0x10c)[0x561b04a1184c]
/usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x272)[0x561b04adfae2]
/usr/sbin/mysqld(handle_one_connection+0x3d)[0x561b04adfc3d]
/usr/sbin/mysqld(+0x818891)[0x561b04d37891]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7f0831b566ba]
x86_64/clone.S:111(clone)[0x7f08312014dd]
Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (0x7f016c00f120): SELECT * FROM tipstrade_2.tblVehicleLookups
limit 1
Connection ID (thread ID): 8202
Status: NOT_KILLED
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=off,mrr_cost_based=off,mrr_sort_keys=off,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=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on
The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
information that should help you find out what is causing the crash.
Writing a core file...
Working directory at /home/mysql
Resource Limits:
Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size 8388608 unlimited bytes
Max core file size 0 unlimited bytes
Max resident set unlimited unlimited bytes
Max processes 256349 256349 processes
Max open files 65533 65533 files
Max locked memory 65536 65536 bytes
Max address space unlimited unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals 256349 256349 signals
Max msgqueue size 819200 819200 bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us
Core pattern: |/usr/share/apport/apport %p %s %c %d %P %E
2021-02-15 13:12:51 140611253319872 [Note] Using unique option prefix 'myisam_recover' is error-prone and can break in the future. Please use the full name 'myisam-recover-options' instead.
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Uses event mutexes
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Compressed tables use zlib 1.2.8
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Using Linux native AIO
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Number of pools: 1
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Using SSE2 crc32 instructions
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Initializing buffer pool, total size = 16G, instances = 16, chunk size = 128M
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Completed initialization of buffer pool
2021-02-15 13:12:51 140591352649472 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Highest supported file format is Barracuda.
2021-02-15 13:12:51 140611253319872 [Note] InnoDB: Starting crash recovery from checkpoint LSN=513506676876
2021-02-15 13:12:52 140611253319872 [Note] InnoDB: Last binlog file './tipstrade04-bin.004023', position 29799719
2021-02-15 13:12:52 140611253319872 [Note] InnoDB: 128 out of 128 rollback segments are active.
2021-02-15 13:12:52 140611253319872 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
2021-02-15 13:12:52 140611253319872 [Note] InnoDB: Creating shared tablespace for temporary tables
2021-02-15 13:12:52 140611253319872 [Note] InnoDB: Setting file '/var/lib/mysql/ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2021-02-15 13:12:52 140611253319872 [Note] InnoDB: File '/var/lib/mysql/ibtmp1' size is now 12 MB.
2021-02-15 13:12:52 140611253319872 [Note] InnoDB: 5.7.32 started; log sequence number 513506676885
2021-02-15 13:12:52 140591702722304 [Note] InnoDB: Loading buffer pool(s) from /home/mysql/ib_buffer_pool
2021-02-15 13:12:52 140611253319872 [Note] Plugin 'FEEDBACK' is disabled.
2021-02-15 13:12:52 140611253319872 [Note] Recovering after a crash using tipstrade04-bin
2021-02-15 13:12:52 140611253319872 [Note] Starting crash recovery...
2021-02-15 13:12:52 140611253319872 [Note] Crash recovery finished.
2021-02-15 13:12:52 140611253319872 [Note] Server socket created on IP: '::'.
2021-02-15 13:12:52 140611253319872 [Warning] 'proxies_priv' entry '@% root@tipstrade03' ignored in --skip-name-resolve mode.
2021-02-15 13:12:52 140611253319872 [ERROR] mysqld: Table './mysql/event' is marked as crashed and should be repaired
2021-02-15 13:12:52 140611253319872 [Warning] Checking table: './mysql/event'
2021-02-15 13:12:52 140611253319872 [ERROR] mysql.event: 1 client is using or hasn't closed the table properly
2021-02-15 13:12:52 140611060475648 [Note] Event Scheduler: scheduler thread started with id 7
2021-02-15 13:12:52 140611253319872 [Note] /usr/sbin/mysqld: ready for connections.
Version: '10.2.36-MariaDB-10.2.36+maria~xenial-log' socket: '/var/run/mysqld/mysqld.sock' port: 3306 mariadb.org binary distribution
2021-02-15 13:12:55 140609785124608 [ERROR] mysqld: Table './asteriskcdrdb/cel' is marked as crashed and should be repaired
2021-02-15 13:12:55 140609785124608 [Warning] Checking table: './asteriskcdrdb/cel'
2021-02-15 13:12:56 140609782699776 [ERROR] mysqld: Table './asteriskcdrdb/cdr' is marked as crashed and should be repaired
2021-02-15 13:12:56 140609782699776 [Warning] Checking table: './asteriskcdrdb/cdr'
2021-02-15 13:13:03 140611059566336 [ERROR] mysqld: Table './tipstrade_2/tblTicketsOffers' is marked as crashed and should be repaired
2021-02-15 13:13:03 140611059566336 [Warning] Checking table: './tipstrade_2/tblTicketsOffers'
2021-02-15 13:13:16 140591702722304 [Note] InnoDB: Buffer pool(s) load completed at 210215 13:13:16
2021-02-15 13:26:53 140591588833024 [ERROR] mysqld: Table './tipstrade_2/tblPrintQueue' is marked as crashed and should be repaired
2021-02-15 13:26:53 140591588833024 [Warning] Checking table: './tipstrade_2/tblPrintQueue'
시스템 정보
- Ubuntu 16.04.7 LTS \n \l
- 10.2.36-MariaDB-10.2.36+maria~xenial-log
- 리눅스 4.4.0-201-일반 #233-우분투 SMP 1월 14일 06:10:28 UTC 2021 x86_64 x86_64 GNU/리눅스
- ProLiant DL360 Gen9
출력지free
total used free shared buff/cache available
Mem: 65838544 9670572 11002756 170796 45165216 55299216
Swap: 7812092 19924 7792168
저는 이 일의 진상을 전혀 파악하지 못했습니다.결국 나는 총알을 깨물었고, 10.2 -> 10.3 -> 10.4 -> 10.5에서 업그레이드하여 이란을 확실하게 했습니다.mysql_upgrade모든 업데이트 사이(전체 백업과 함께)mysqldatadir, 유용하게 사용되었습니다!).
그 이후로 저는 문제가 되는 테이블에 있는 수십만 개의 레코드를 즐겁게 읽고, 삽입하고, 업데이트하고, 삭제해 왔으며 DB는 한 박자도 건너뛰지 않았습니다.
제 설명은 다음과 같습니다.
- "이것은 당신이 버그를 쳤기 때문일 수 있습니다. 또한 이 이진 또는 연결된 라이브러리 중 하나가 손상되었거나, 잘못 구축되었거나, 잘못 구성되었을 수 있습니다."라는 오류 메시지가 올바르게 표시되었으며, 서버 및 종속성 업그레이드로 문제가 해결되었습니다.
- 테이블이 손상되었고,
mysql_upgrade문제를 해결했습니다.
하드웨어 오류가 다시 작동하는 것을 보고 할인했습니다.또한 ILO는 저에게 어떠한 경고도 주지 않았습니다.
언급URL : https://stackoverflow.com/questions/66209077/mysqld-got-signal-6-when-running-simple-query
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