Post: Backing up binary log files with mysqlbinlog
… the binary log files which could still lead to data loss depending on the interval you back them up. Recently in MySQL 5… that supports connecting to remote MySQL instances and dumping binary log...
View ArticlePost: Percona XtraDB Cluster (PXC): what about GRA_*.log files ?
…: MySQL replication log Now we need to select one GRA log file: [root@node2 mysql]# ls GRA_*.log GRA_3_3.log [root@node2 mysql]# file GRA_3_3.log GRA_3_3.log: data [root@node2 mysql]# ls… they really...
View ArticlePost: How to change innodb_log_file_size safely
If you need to change MySQL’s innodb_log_file_size parameter (see How to calculate a good InnoDB log file size), you can’t… away (don’t delete) the log files, which are named ib_logfile0, ib_logfile1,...
View ArticlePost: Be careful rotating MySQL logs
…. When log file is reopened MySQL will be practically unavailable causing unanticipated downtime. The workaround for this problem is very simple – instead of deleting MySQL log file – rename it, call...
View ArticlePost: How to fix your PRM cluster when upgrading to RHEL/CentOS 6.4
…t open logfile ‘/var/log/corosync.log‘ for reason: Permission denied …MySQL [p_mysql] (unmanaged) p_mysql:0 (ocf::percona:mysql): Master percona1 (unmanaged) p_mysql:1 (ocf::percona:mysql): Slave...
View ArticlePost: Percona Server 5.6.11-60.3 first Release Candidate now available
… align=”alignright” width=”247″] Percona Server for MySQL version 5.6.11-60.3[/caption]… #1185686. Under very rare circumstances, deleting a zero-size bitmap file at the right moment would…page...
View ArticlePost: Is your MySQL buffer pool warm? Make it sweat!
…–mysql-host 127.0.0.1 –mysql-username playback –mysql-password PaSSwOrd –mysql-schema schema_name –query-log-… log file for debugging purposes. Streaming logs from stdin Percona Playback now supports...
View ArticlePost: Disconnecting a replication slave is easier with MySQL 5.5+ (RESET...
…_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: mysql_sandbox35302-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO_Running… the master position has been deleted,...
View ArticlePost: Percona Server 5.1.69-14.7 now available: A drop in replacement for MySQL
… libdbd-mysql-perl package. Fixed by adding the package dependency. Bug fixed #1003776. XtraDB changed page tracking used to hold the log… the log reads needlessly, potentially limiting performance on...
View ArticlePost: Percona Server 5.5.32-31.0 now available
… tracking used to hold the log system mutex for the log reads needlessly, potentially limiting performance… had the datadir hardcoded to /var/lib/mysql instead of using my_print_defaults...
View ArticlePost: Recovery deleted ibdata1
… case when a customer deleted the InnoDB main table space – ibdata1 – and redo logs – ib_logfile*. MySQL keeps InnoDB files open all the time… existence of these files! But after the restart InnoDB...
View ArticlePost: Crash-resistant replication: How to avoid MySQL replication errors
… more about it here). A MySQL slave normally stores its position in files master.info and relay-log.info which are updated by…’s not the case most of the time. For UPDATE/DELETE it may cause different...
View ArticleUsing Flexviews – part two, change data capture
In my previous post I introduced materialized view concepts. This post begins with an introduction to change data capture technology and describes some of the ways in which it can be leveraged for your...
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How to recover deleted rows from an InnoDB Tablespace
In my previous post I explained how it could be possible to recover, on some specific cases, a single table from a full backup in order to save time and make the recovery process more straightforward....
View ArticlePercona welcomes Drizzle 7.1
The Drizzle team has published the first Drizzle 7.1 stable release. The announcement on the Drizzle blog covers some of the major improvements in this release over the previous stable release, Drizzle...
View ArticleBe careful rotating MySQL logs
If you enable logging of all queries as “slow queries” using the patch or MySQL 5.1 you can get log file to grow huge. Same may happen with general log file. In some cases we’ve got log file sizes of...
View ArticleUsing Flexviews – part two, change data capture
In my previous post I introduced materialized view concepts. This post begins with an introduction to change data capture technology and describes some of the ways in which it can be leveraged for your...
View ArticleClik here to view.
How to recover deleted rows from an InnoDB Tablespace
In my previous post I explained how it could be possible to recover, on some specific cases, a single table from a full backup in order to save time and make the recovery process more straightforward....
View ArticlePercona welcomes Drizzle 7.1
The Drizzle team has published the first Drizzle 7.1 stable release. The announcement on the Drizzle blog covers some of the major improvements in this release over the previous stable release, Drizzle...
View ArticleRecovery deleted ibdata1
Recently I had a case when a customer deleted the InnoDB main table space – ibdata1 – and redo logs – ib_logfile*.MySQL keeps InnoDB files open all the time. The following recovery technique is based...
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