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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10.1(EOL)
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None
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Tested on CentOS 6 and CentOS 7.4
Mariadb 10.1.20, 10.1.25, 10.1.28.
Current package versions:
MariaDB-common-10.1.28-1.el7.centos.x86_64
MariaDB-server-10.1.28-1.el7.centos.x86_64
MariaDB-compat-10.1.28-1.el7.centos.x86_64
MariaDB-client-10.1.28-1.el7.centos.x86_64
MariaDB-shared-10.1.28-1.el7.centos.x86_64Tested on CentOS 6 and CentOS 7.4 Mariadb 10.1.20, 10.1.25, 10.1.28. Current package versions: MariaDB-common-10.1.28-1.el7.centos.x86_64 MariaDB-server-10.1.28-1.el7.centos.x86_64 MariaDB-compat-10.1.28-1.el7.centos.x86_64 MariaDB-client-10.1.28-1.el7.centos.x86_64 MariaDB-shared-10.1.28-1.el7.centos.x86_64
Description
This is a clone of closed bug MDEV-14048
We just encountered the crash on 10.1.28
Tested on versions above.
3 node galera installation, requests go to only one (primary node).
Some queries against a database full of federatedx engine tables causes the server to crash. After restart the node syncs back to the cluster with no apparent damage.
Not every query against the federatedx engine tables causes the crash. We were not able to identify the exact query. The ones suggested by log of query pointer after crash executed successfully when run by hand in console.
Additional note:
Disabling query cache seemed to have prevented the crash, but sent our server performance to the gutter. So we re-enabled the case and stopped using federatedx engine tables.
Crash log:
171103 8:13:21 [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 https://mariadb.com/kb/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: 10.1.28-MariaDB
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key_buffer_size=67108864
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read_buffer_size=262144
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max_used_connections=91
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max_threads=3002
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thread_count=15
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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 = 1574808519 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: 0x7f2d5bff4008
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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 = 0x7f3039cd7cb0 thread_stack 0xa0000
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/usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x55d203c0092e]
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/usr/sbin/mysqld(handle_fatal_signal+0x305)[0x55d203723ce5]
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/lib64/libpthread.so.0(+0xf5e0)[0x7f31aac0b5e0]
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/usr/sbin/mysqld(_ZN17Query_cache_block11headers_lenEv+0x0)[0x55d20355d810]
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/usr/sbin/mysqld(_ZN17Query_cache_block4dataEv+0x11)[0x55d20355d831]
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/usr/sbin/mysqld(_ZN11Query_cache6insertEP3THDP15Query_cache_tlsPKcmj+0x5c)[0x55d20356121c]
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/usr/sbin/mysqld(net_real_write+0x45)[0x55d20350ae05]
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/usr/sbin/mysqld(net_flush+0x23)[0x55d20350b143]
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/usr/sbin/mysqld(net_write_command+0x3fb)[0x55d20350b8ab]
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/usr/sbin/mysqld(cli_advanced_command+0xe2)[0x55d203703782]
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/usr/sbin/mysqld(mysql_close_slow_part+0x54)[0x55d203700d44]
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/usr/sbin/mysqld(mysql_close+0x1a)[0x55d203700d7a]
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/usr/lib64/mysql/plugin/ha_federatedx.so(_ZN19federatedx_io_mysqlD1Ev+0x24)[0x7f309b1f9094]
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/usr/lib64/mysql/plugin/ha_federatedx.so(_ZN14federatedx_txn5closeEP18st_fedrated_server+0x69)[0x7f309b1f83b9]
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/usr/lib64/mysql/plugin/ha_federatedx.so(+0xa6ff)[0x7f309b1f16ff]
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/usr/lib64/mysql/plugin/ha_federatedx.so(+0xa8b5)[0x7f309b1f18b5]
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/usr/lib64/mysql/plugin/ha_federatedx.so(_ZN13ha_federatedx5closeEv+0x98)[0x7f309b1f5398]
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/usr/sbin/mysqld(_Z8closefrmP5TABLEb+0x38)[0x55d203643bf8]
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/usr/sbin/mysqld(_Z18intern_close_tableP5TABLE+0x36)[0x55d203550466]
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/usr/sbin/mysqld(_Z12tc_add_tableP3THDP5TABLE+0x42c)[0x55d2036d7dac]
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/usr/sbin/mysqld(_Z10open_tableP3THDP10TABLE_LISTP18Open_table_context+0xccd)[0x55d20355300d]
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/usr/sbin/mysqld(_Z11open_tablesP3THDRK14DDL_options_stPP10TABLE_LISTPjjP19Prelocking_strategy+0x100a)[0x55d20355735a]
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/usr/sbin/mysqld(_Z20open_and_lock_tablesP3THDRK14DDL_options_stP10TABLE_LISTbjP19Prelocking_strategy+0x34)[0x55d203557684]
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mysys/stacktrace.c:268(my_print_stacktrace)[0x55d2034d9fcc]
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sql/sql_cache.cc:844(Query_cache_block::headers_len())[0x55d20359e9b0]
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sql-common/client.c:3963(me/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.1.28/sql-common/client.c:3953)[0x55d2035a1702]
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sql/sql_string.h:312(String::free())[0x55d2035a2021]
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sql/table_cache.cc:291(tc_add_table(THD*, TABLE*))[0x55d2035a4971]
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sql/sql_parse.cc:5833(execute_sqlcom_select(THD*, TABLE_LIST*))[0x55d2035a59c6]
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sql/sql_connect.cc:1349(do_handle_one_connection(THD*))[0x55d20367161a]
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sql/sql_connect.cc:1263(handle_one_connection)[0x55d2036717c0]
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/lib64/libpthread.so.0(+0x7e25)[0x7f31aac03e25]
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/lib64/libc.so.6(clone+0x6d)[0x7f31a8fa734d]
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Attachments
Issue Links
- relates to
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- Closed
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- Closed
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- Closed
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- Closed
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