The specific analysis in a common event binlog
Two core events Row format
ROW_LOG_EVENT+TABLE_MAP_EVENT+GTID_EVENT
Three event into force mechanism
Effect binlog cache, and then write a record in binlog
Four specific event content
0 FORMAT_DESCRIPTION_EVENT
1 PREVIOUS_GTIDS_LOG_EVENT
2 GTID_LOG_EVENT
3 TABLE_MAP_EVENT
4 ROW_LOG_EVENT
5 QUERY_EVENT ()
6 XID_EVENT
7 ROTATE_EVNET
8 STOP_EVENT
Detailed five
0 FORMAT_DESCRIPTION_EVENT
Binlog recorded version and some other related information at the beginning binlog file
1 PREVIOUS_GTIDS_LOG_EVENT
Records of all binlog GTID collection before, the role is to speed up the scanning speed
2 GTID_LOG_EVENT
Records relevant information about the GTID, and carries last commited seq number for parallel playback and
3 QUERY_EVENT
DDL statements recorded only in the original format Row
4 TABLE_MAP_EVENT
Internal ID and table structure definition described.
core
table_id , table_name schema name length col count col type
Examples
Table_map: `yzs`.`t1` TABLE_ID: '23'
5 ROW_LOG_EVENT
Things recorded statement in Row format specific content
6 XID_EVENT
When the transaction commits, whether or binlog statement row format will add a XID_EVENT as the end of the transaction. The event ID records of the transaction. When crash recovery in mysql binlog submitted under the circumstances to decide whether to commit the transaction storage engine in prepared state.
It includes the following events
WRITE_ROWS_EVENT，UPDATE_ROWS_EVENT， DELETE_ROWS_EVENT
7 ROTATE_EVENT
When the file size reaches max_binlog_size binlog parameter value or command execution flush logs, binlog switching occurs, then the event is added in a ROTATE_EVENT binlog file currently used by the end of the name and location of the next file is recorded into the binlog event .
8 STOP_EVENT
When the MySQL service is stopped, will be added to the end of the current binlog file a STOP_EVENT event indicates that the database is stopped
Six summary
Know the significance of these events, we can expand this multi-dimensional statistical binlog
Reference herein Great God eight strange series of courses article,