MySql数据库复制技术

图02

Please note that, the directory of logs is created manually by myself, typically binary logs (in fact, all logs) will be stored in directory data.

mysqld appends a numeric extension to the binary log basename. The number increases each time the server creates a new log file, thus creating an ordered series of files. The server creates a new binary log file each time it starts or flushes the logs. The server also creates a new binary log file automatically when the current log's size reaches max_binlog_size. A binary log file may become larger than max_binlog_size if you are using large transactions because a transaction is written to the file in one piece, never split between files.

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