Mysql Error Log Could Not Be Parsed
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Relay Log Read Failure: Could Not Parse Relay Log Event Entry.
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Mysql Relay Log Write Failure Could Not Queue Event From Master
to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are log event entry exceeded max_allowed_packet voted up and rise to the top Looking for an efficient way to fix “Could not parse relay log event entry…” error up vote 3 down vote favorite 1 I have a corrupt relay log in MySQL 5.0 and looking for the steps to fix replication without having to reprocess all the binary logs from the master again. Here is the full error message if you are curious: Could not parse relay log event mysql relay log corrupted entry. The possible reasons are: the master's binary log is corrupted (you can check this by running 'mysqlbinlog' on the binary log), the slave's relay log is corrupted (you can check this by running 'mysqlbinlog' on the relay log), a network problem, or a bug in the master's or slave's MySQL code. If you want to check the master's binary log or slave's relay log, you will be able to know their names by issuing 'SHOW SLAVE STATUS' on this slave. The normal fix is quite easy, you just obtain the correct binary log name and position from show slave status and run the change master command. But this is not what I would like to do. I would like to reprocess only one or few binary logs from the master to recover the corrupted relay log and then continue to use the relay logs that were already created. I am looking for someone who had past experience doing this as there is a potential for failures doing the recovery this way. Conceptually, I am thinking the following steps might be needed (maybe some of them are optional): Stop replication on the slave. Shutdown slave instance. Move relay logs to a safe location. See if relay-log.info or master.info files need to be updated manually. Start slave instance. Run change mast
Sohail Riaz | with 15 Comments In this howto i will describe how to fix MySql error ‘Could not parse relay log event entry'. On one of
Relay Log Read Failure 1594
my client database replication cluster we got issue of ‘Could not binlog truncated in the middle of event parse relay log event entry' on slaves. On investigating it found he has deleted some relay log
Relay_master_log_file
files to free up the space. You can see the error in show slave status command on Last_Error field.[root@server1 ~]# mysql -u root -p Enter password: Welcome to http://dba.stackexchange.com/questions/24350/looking-for-an-efficient-way-to-fix-could-not-parse-relay-log-event-entry-e the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 179 Server version: 5.0.77 Source distributionType ‘help;' or ‘\h' for help. Type ‘\c' to clear the buffer.mysql> show slave status\G; *************************** 1. row *************************** Slave_IO_State: Master_Host: 192.168.0.1 Master_User: mysqladmin Master_Port: 3306 Connect_Retry: 5 Master_Log_File: mysql-bin.000019 Read_Master_Log_Pos: 18816335 Relay_Log_File: mysqld-relay-bin.000153 Relay_Log_Pos: 593 Relay_Master_Log_File: mysql-bin.000019 http://www.sohailriaz.com/how-to-fix-mysql-error-could-not-parse-relay-log-event-entry/ Slave_IO_Running: No Slave_SQL_Running: No Replicate_Do_DB: test1 Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Could not parse relay log event entry. The possible reasons are: the master's binary log is corrupted (you can check this by running ‘mysqlbinlog' on the binary log), the slave's relay log is corrupted (you can check this by running ‘mysqlbinlog' on the relay log), a network problem, or a bug in the master's or slave's MySQL code. If you want to check the master's binary log or slave's relay log, you will be able to know their names by issuing ‘SHOW SLAVE STATUS' on this slave. Skip_Counter: 0 Exec_Master_Log_Pos: 18337925 Relay_Log_Space: 479619 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL 1 row in set (0.00 sec)ERROR: No query specified1) Get Log Filename and Position from Master.To fix this we need two values from MySQL Master Server. i.e Master Log File Name and Master Log Position. To achieve this run following command on MySQL Master Server.mysql> show master
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site http://stackoverflow.com/questions/12097696/mysql-replication-fails-with-error-could-not-parse-relay-log-event-entry About Us Learn more about Stack Overflow the company Business Learn more about http://dev.mysql.com/doc/mysql/en/replication-problems.html hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up MySQL Replication fails with relay log error “Could not parse relay log event entry.” up vote 12 down vote favorite 7 I've searched google thoroughly for a definitive solution or set of steps to resolve this issue, but there don't seem to be many high quality results, and I haven't found the question on stack overflow. We're trying to set up MySQL replication using one slave. The slave appears to be replicating relay log read fine, and then the following error occurs: Could not parse relay log event entry. The possible reasons are: the master's binary log is corrupted (you can check this by running 'mysqlbinlog' on the binary log), the slave's relay log is corrupted (you can check this by running 'mysqlbinlog' on the relay log), a network problem, or a bug in the master's or slave's MySQL code. If you want to check the master's binary log or slave's relay log, you will be able to know their names by issuing 'SHOW SLAVE STATUS' on this slave. In order to benefit the large number of people who will inevitably stumble upon this question from a search, it would be helpful if someone who responds provided an overview of what could be going wrong and what steps to take to resolve this issue, but I will also provide more details below related to my particular situation in hopes that someone can help me solve it. The dump that we imported into the slave to get it started was created using the following command on the master: mysqldump --opt --allow-keywords -q -uroot -ppassword dbname > E:\Backups\dbname.sql The script that
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