四：GTID中的运维（笔记）-创新互联-成都创新互联网站建设

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四：GTID中的运维（笔记）-创新互联

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四：GTID中的运维（笔记）
如果图片不能显示可查看下面链接：
https://www.jianshu.com/p/d636215d767f

一、ONGOING_ANONYMOUS_TRANSACTION_COUNT

主库 生成GTID： 这下面可以调用匿名+1

(gdb) bt
#0  Gtid_state::generate_automatic_gtid (this=0x308ab20, thd=0x7ffe7c000b70, specified_sidno=0, specified_gno=0, locked_sidno=0x7fffec0f38c0)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/rpl_gtid_state.cc:507
#1  0x0000000001877a61 in MYSQL_BIN_LOG::assign_automatic_gtids_to_flush_group (this=0x2e87840, first_seen=0x7ffe7c000b70)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/binlog.cc:1401
#2  0x000000000188a19c in MYSQL_BIN_LOG::process_flush_stage_queue (this=0x2e87840, total_bytes_var=0x7fffec0f3a08, rotate_var=0x7fffec0f3a07, 
    out_queue_var=0x7fffec0f39f8) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/binlog.cc:9143
#3  0x000000000188b743 in MYSQL_BIN_LOG::ordered_commit (this=0x2e87840, thd=0x7ffe7c000b70, all=false, skip_commit=false)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/binlog.cc:9782
#4  0x0000000001889e22 in MYSQL_BIN_LOG::commit (this=0x2e87840, thd=0x7ffe7c000b70, all=false) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/binlog.cc:9033
#5  0x0000000000f802eb in ha_commit_trans (thd=0x7ffe7c000b70, all=false, ignore_global_read_lock=false)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/handler.cc:1830
#6  0x00000000016dd5b9 in trans_commit_stmt (thd=0x7ffe7c000b70) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/transaction.cc:458
#7  0x00000000015d19d1 in mysql_execute_command (thd=0x7ffe7c000b70, first_level=true) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:5293
#8  0x00000000015d30c6 in mysql_parse (thd=0x7ffe7c000b70, parser_state=0x7fffec0f6600) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:5901
#9  0x00000000015c6c5a in dispatch_command (thd=0x7ffe7c000b70, com_data=0x7fffec0f6d70, command=COM_QUERY)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:1490
#10 0x00000000015c59e7 in do_command (thd=0x7ffe7c000b70) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:1021
#11 0x000000000170e660 in handle_connection (arg=0x34a9940) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/conn_handler/connection_handler_per_thread.cc:312
#12 0x0000000001945620 in pfs_spawn_thread (arg=0x66eee50) at /root/mysqlall/percona-server-locks-detail-5.7.22/storage/perfschema/pfs.cc:2190
#13 0x00007ffff7bc6aa1 in start_thread () from /lib64/libpthread.so.0
#14 0x00007ffff6719bcd in clone () from /lib64/libc.so.6

主库在COMMIT节点 匿名-1

#0  Gtid_state::update_commit_group (this=0x308ab20, first_thd=0x7ffe7c000b70) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/rpl_gtid_state.cc:148
#1  0x000000000188a59f in MYSQL_BIN_LOG::process_commit_stage_queue (this=0x2e87840, thd=0x7ffe7c000b70, first=0x7ffe7c000b70)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/binlog.cc:9238
#2  0x000000000188bd46 in MYSQL_BIN_LOG::ordered_commit (this=0x2e87840, thd=0x7ffe7c000b70, all=false, skip_commit=false)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/binlog.cc:9921
#3  0x0000000001889e22 in MYSQL_BIN_LOG::commit (this=0x2e87840, thd=0x7ffe7c000b70, all=false) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/binlog.cc:9033
#4  0x0000000000f802eb in ha_commit_trans (thd=0x7ffe7c000b70, all=false, ignore_global_read_lock=false)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/handler.cc:1830
#5  0x00000000016dd5b9 in trans_commit_stmt (thd=0x7ffe7c000b70) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/transaction.cc:458
#6  0x00000000015d19d1 in mysql_execute_command (thd=0x7ffe7c000b70, first_level=true) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:5293
#7  0x00000000015d30c6 in mysql_parse (thd=0x7ffe7c000b70, parser_state=0x7fffec0f6600) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:5901
#8  0x00000000015c6c5a in dispatch_command (thd=0x7ffe7c000b70, com_data=0x7fffec0f6d70, command=COM_QUERY)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:1490
#9  0x00000000015c59e7 in do_command (thd=0x7ffe7c000b70) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:1021
#10 0x000000000170e660 in handle_connection (arg=0x34a9940) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/conn_handler/connection_handler_per_thread.cc:312
#11 0x0000000001945620 in pfs_spawn_thread (arg=0x66eee50) at /root/mysqlall/percona-server-locks-detail-5.7.22/storage/perfschema/pfs.cc:2190
#12 0x00007ffff7bc6aa1 in start_thread () from /lib64/libpthread.so.0
#13 0x00007ffff6719bcd in clone () from /lib64/libc.so.6

从库 GTID_APPLY的时候 调用
Gtid_log_event::do_apply_event - > set_gtid_next 匿名+1

从库是调用Gtid_state::update_gtids_impl 匿名-1

Xid_log_event::do_commit - >MYSQL_BIN_LOG::gtid_end_transaction -> update_on_commit->update_gtids_impl

二、MASTER_AUTO_POSITION = 1栈帧

清理了所有的replay log

#0  Relay_log_info::purge_relay_logs (this=0x67618a0, thd=0x7ffe7c000b70, just_reset=false, errmsg=0x7fffec0f4b80, delete_only=false)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/rpl_rli.cc:1239
#1  0x00000000018cd130 in change_master (thd=0x7ffe7c000b70, mi=0x6670230, lex_mi=0x7ffe7c0037e0, preserve_logs=false)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/rpl_slave.cc:11337
#2  0x00000000018cdcac in change_master_cmd (thd=0x7ffe7c000b70) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/rpl_slave.cc:11688
#3  0x00000000015cabc5 in mysql_execute_command (thd=0x7ffe7c000b70, first_level=true) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:3125
#4  0x00000000015d30c6 in mysql_parse (thd=0x7ffe7c000b70, parser_state=0x7fffec0f6600) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:5901
#5  0x00000000015c6c5a in dispatch_command (thd=0x7ffe7c000b70, com_data=0x7fffec0f6d70, command=COM_QUERY)
    at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:1490
#6  0x00000000015c59e7 in do_command (thd=0x7ffe7c000b70) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/sql_parse.cc:1021
#7  0x000000000170e660 in handle_connection (arg=0x5f72350) at /root/mysqlall/percona-server-locks-detail-5.7.22/sql/conn_handler/connection_handler_per_thread.cc:312
#8  0x0000000001945620 in pfs_spawn_thread (arg=0x67cfa60) at /root/mysqlall/percona-server-locks-detail-5.7.22/storage/perfschema/pfs.cc:2190
#9  0x00007ffff7bc6aa1 in start_thread () from /lib64/libpthread.so.0
#10 0x00007ffff6719bcd in clone () from /lib64/libc.so.6

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