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0
votes
4answers
36 views

Disable MySQL binary logging with log_bin variable

Default MySQL config file /etc/mysql/my.cnf installed by some debian package using APT often set log_bin variable, so binlog are enabled: log_bin = /var/log/mysql/mysql-bin.log When I want to ...
1
vote
1answer
91 views

pt-table-checksum and row-based replication

The set up I work with is MySQL 5.5 in a master-slave replication configuration, but we have to use "MIXED" replication (statement and row-based) because we use an application that requires it, and it ...
0
votes
2answers
56 views

MySQL : 30GB of binlogs in 6 Hours

I have a mysql master/master setup with tungsten replicator. My server is reaching out of space, occupied around 30G in 6 hours. I'm not sure how to handle this. Would be great if some one can help me ...
0
votes
1answer
134 views

MySQL Master-Master Replication not syncing

SETUP: I have a WAMP MySQL Master-Master replication setup on 2 machines with sync_binlog=1 for safety. Machine config: Windows Azure Standard 2: 2 core, 4GB RAM, Windows Server 2008, MySQL 5.6.12, ...
0
votes
1answer
279 views

MySQL row-based-replication HA_ERR_KEY_NOT_FOUND… which record is it?

I have a mysql slave (5.1) using row-based replication. The slave has stopped with the error HA_ERR_KEY_NOT_FOUND. OK fine, it's trying to update a record that doesn't exist for some reason. Using the ...
0
votes
1answer
151 views

why mysql binlog creating new log file daily

I have started binary logging on MySQL server on my Ubuntu. It start creating log files in /var/log/mysql. My my.cnf configuration is as follows: log-bin="/var/log/mysql/" expire_logs_days=10 ...
1
vote
0answers
109 views

How to set selinux permission for non-standard mysql bin log path?

By default, mysql bin log works in folder /var/log/mysql. but moving to any other share such /mylogs/mysql gives permission error. Below is the exact message: usr/sbin/mysqld: File ...
0
votes
1answer
182 views

Abnormally high MySQL writes and larger than normal Binary Log files. How can I determine what caused this?

We have a MySQL master database which replicates to a MySQL slave. We were experiencing issues where MySQL was showing a high number of writes (but not an increased number of queries being ran) for a ...
1
vote
1answer
113 views

mysql replication missed quite a lot SQL statement

I have set up a master/slave with mysql-5.1.73 The master's binlog format is "statement". The master and slave seemed running very well with slave status: Slave_IO_Running: Yes ...
0
votes
0answers
86 views

MySQL Slave with erratic Read_Master_Log_Pos during binlog rotation?

I have two mysql servers setup with default my.cnf config apart from server-id's and enabling binlogs on masters. Replication is setup and working and i have a simple bash scrip on master feeding in ...
0
votes
1answer
243 views

Replication - Binary log parsing(Tableid generation, ON DELETE CASCADE handling, Changed columns for update event)

I am using MySQL 5.5 with InnoDB engine. I have set binlog format as row-based replication. I have some doubts regarding replication: 1) How is the tableID generated? Is it stored somewhere? 2) ...
0
votes
2answers
1k views

MySQL : Extract SQL statements from binlog

I am trying the following command to extract SQL statements from binlog for using it in another database (Amazon RDS) mysqlbinlog /var/lib/mysql/binlog.000027 --start-position=54375264 ...
4
votes
2answers
4k views

Why do the MySQL bin log files still exist after a purge or flush?

I've used PURGE BINARY LOGS as well as FLUSH LOGS, but the mysql directory still contains these files: mysql-bin.000025 mysql-bin.000024 mysql-bin.000023 mysql-bin.000022 mysql-bin.000021 ...
2
votes
1answer
121 views

mysql binlog file size stop growing

I made a master(A)-slave(B)-slave(C) mode MySQL instances for backup. But today when I see whether the mode works fine, I find A and B are OK. That is B can get binlog from A, but B does not write ...
1
vote
1answer
198 views

Master updates Slave but not Master itself

I have a setup master/slave in which applications are pointed only to master. Yesterday Master had got crashed due to "multi bit error on dimm detected" in Front indication panel in orange color. ...
3
votes
1answer
239 views

Switch MySQL lag slave to new master and keep lagging (5.1)

We have the following scenario: Set of slaves replicate from the master, separate standby master (a.k.a slave with binlogs) replicates from the same master; lag slave, powered by pt-slave-delay, ...
2
votes
1answer
2k views

How soon after updating expire_logs_days param and restarting sql will old binlogs get deleted?

MySQL 5.1.x | InnoDB | Windows My mysql data directory is starting to fill up with bin logs. I currently have the following settings configured in my windows mysql server: [mysqld] log-bin ...
1
vote
2answers
892 views

MySQL binary logs - skip a table

Is there a way to skip a specific table in the binary logs? I've got binary logs configured as my incremental backup strategy between nightly backups. But we have one huge reference table that we're ...
0
votes
2answers
902 views

How can you monitor if MySQL binlog files get corrupted?

I was wondering if there was any nice way to continuously monitor mysql master binlog files and detect if get corrupted.
0
votes
1answer
409 views

Replication master binlog rotation when network is unavailable

I recently experienced an issue where the binlog file in master rotated because network connectivity between the slave and master was unavailable. After solving the network issue, the slave was not ...
3
votes
1answer
1k views

Binlog has bad magic number

I keep getting this error whenever I start MySQL. 121028 1:38:55 [Note] Plugin 'FEDERATED' is disabled. 121028 1:38:55 InnoDB: The InnoDB memory heap is disabled 121028 1:38:55 InnoDB: Mutexes and ...
2
votes
2answers
116 views

How to see what was executed in the database via binlogs for specific date?

I am trying figure out how to "query" binlogs to see what was exectued in the database for a specific date. For example, if I execute mysqlbinlog binlog then the thing just runs forever and it is had ...
1
vote
2answers
2k views

Error reading MySQL 5.5 binary log using mysqlbinlog

I'm having some trouble with a replication setup I'm using. It has been working fine for months, and then over the weekend, the slave stopped reading updates from the masters binlog with an error Got ...