![]() ![]() Originally received, and the resulting payload size after Payloads are compressed and then written to the server's binaryĬompression algorithm used, the compressed payload size that was System variable is set to ON, transaction Mysqlbinlog versions from that release onĪutomatically decompress and decode the transaction payloads,Īnd print them as they would uncompressed events. When binary log transaction payloads have been compressed, which Section 17.3.2, “Encrypting Binary Log Files and Relay Log Files”. Versions of mysqlbinlog do not recognise theįile as a binary log file at all. Mysqlbinlog returns a suitable error if youĪttempt to read an encrypted binary log file directly, but older Which differs from that used for unencrypted log files Header for encrypted log files ( 0xFD62696E), Encrypted and unencrypted binary log files can alsoīe distinguished using the magic number at the start of the file Whether a particular binary log file is encrypted or Binary log files are encrypted when the server's Read them directly, but can read them from the server using the When binary log files have been encrypted, which can be doneįrom MySQL 8.0.14 onwards, mysqlbinlog cannot Options can be given to indicate how to connect to the server. To read remote binary logs, the connection parameter You canĪlso read binary logs from a remote server by using the You can use mysqlbinlog to read binary logįiles directly and apply them to the local MySQL server. Plus the appropriate privileges to execute each log event. In this section and in Section 7.5, “Point-in-Time (Incremental) Recovery”. For other usage examples, see the discussion later This is useful for recovery operations after an unexpected Mysql) to redo the statements in the log. Re-executed (for example, by using it as input to Do not mistake these grouped events for blank file Grouped together and the comments of events may be grouped When using event groups, the file offsets of events may be The difference serves asĪn indicator of how much replication lags behind the source.Įxecuting the event. ![]() On a replica, it is theĭifference of the end execution time on the replica minus theīeginning execution time on the source. Indicates which thread executed the event.Įxec_time is the time spent executing theĮvent, on a replication source server. Indicates where the next event starts (that is, it is the end Replication, this timestamp is propagated to replica servers. Statement started on the server where the event originated. The second line starts with a date and time indicating when the Indicates the file offset, or starting position, of the event in In the first line, the number following at Query thread_id=3350 exec_time=11 error_code=0 See Section 17.2.1, “Replication Formats”, forĮvents are preceded by header comments that provide additional Row-based logging, the event indicates a row change rather thanĪn SQL statement. Statement was executed, how much time it took, and so forth. Server on which it was executed, the timestamp when the For statement-based logging,Įvent information includes the SQL statement, the ID of the Section 17.2.4, “Relay Log and Replication Metadata Repositories”.įor example, to display the contents of the binary log fileīinlog.000003. Theīinary log and relay log are discussed further in Log files written by a replica server in a replication setupīecause relay logs have the same format as binary logs. Mysqlbinlog to display the contents of relay Toĭisplay their contents in text format, use the The server writes these files in binary format. ![]() “ events” that describe modifications to databaseĬontents. The server's binary log consists of files containing 4.6.9.1 mysqlbinlog Hex Dump Format 4.6.9.2 mysqlbinlog Row Event Display 4.6.9.3 Using mysqlbinlog to Back Up Binary Log Files 4.6.9.4 Specifying the mysqlbinlog Server ID ![]()
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