Comment: A (prototype) lower impact slow query log
… place the call to ensure_log_file_open() of extended_slow_query_log_notify() at line 64, inside write_to_log() nr_thds_using_fd… why someone would make a extended_slow_query_log.log.1 ->...
View ArticleComment: Percona RPMS for RedHat 5 / CentOS 5 x86_64
… a MySQL 4.0 mindset and don’t know much about the Information Schema. We just added support to rotate the slow query log. And…The post Comment: Percona RPMS for RedHat 5 / CentOS 5 x86_64 appeared...
View ArticlePost: Be 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… the log file you no more need. It can be also...
View ArticlePost: Is your MySQL buffer pool warm? Make it sweat!
…the log stream across log rotation events. On the standby server, the logs are replayed with Percona Playback by streaming the slow log …server:3307/slow | percona-playback –mysql-host 127.0.0.1...
View ArticlePost: Rotating MySQL slow logs safely
… MySQL slow logs temporarily during log rotation. Putting it all together Here is a logrotate configuration file for a slow log that illustrates these best practices: /var/mysql/slow_query.log {...
View ArticleHow to Monitor MySQL with Percona’s Nagios Plugins
In this post, I’ll cover the new MySQL monitoring plugins we created for Nagios, and explain their features and intended purpose.I want to add a little context. What problem were we trying to solve...
View ArticleComment: A (prototype) lower impact slow query log
… place the call to ensure_log_file_open() of extended_slow_query_log_notify() at line 64, inside write_to_log() nr_thds_using_fd… why someone would make a extended_slow_query_log.log.1 ->...
View ArticleComment: Percona RPMS for RedHat 5 / CentOS 5 x86_64
… a MySQL 4.0 mindset and don’t know much about the Information Schema. We just added support to rotate the slow query log. And…The post Comment: Percona RPMS for RedHat 5 / CentOS 5 x86_64 appeared...
View ArticlePost: Be 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… the log file you no more need. It can be also...
View ArticlePost: Is your MySQL buffer pool warm? Make it sweat!
…the log stream across log rotation events. On the standby server, the logs are replayed with Percona Playback by streaming the slow log …server:3307/slow | percona-playback –mysql-host 127.0.0.1...
View ArticleHow to Monitor MySQL with Percona’s Nagios Plugins
In this post, I’ll cover the new MySQL monitoring plugins we created for Nagios, and explain their features and intended purpose.I want to add a little context. What problem were we trying to solve...
View ArticleMySQL Audit Plugin now available in Percona Server 5.5 and 5.6
The new Percona Server 5.5.37-35.0 and Percona Server 5.6.17-65.0-56, announced yesterday (May 6), both include the open source version of the MySQL Audit Plugin. The MySQL Audit Plugin is used to log...
View ArticleHow to Monitor MySQL with Percona’s Nagios Plugins
In this post, I’ll cover the new MySQL monitoring plugins we created for Nagios, and explain their features and intended purpose.I want to add a little context. What problem were we trying to solve...
View ArticleRotating MySQL slow logs safely
This blog post is part two of two. Like part one, published Wednesday, this is a cross-post from Groupon’s engineering blog. Thanks again to Kyle Oppenheim at Groupon. And one more reminder that I’ll...
View ArticleMySQL Audit Plugin now available in Percona Server 5.5 and 5.6
The new Percona Server 5.5.37-35.0 and Percona Server 5.6.17-65.0-56, announced yesterday (May 6), both include the open source version of the MySQL Audit Plugin. The MySQL Audit Plugin is used to log...
View ArticleLog rotate and the (deleted) MySQL log file mystery
Did your logging stop working after you set up logrotate? Then this post might be for you.Archive your log files!Some time ago, Peter Boros wrote about Rotating MySQL Slow Logs safely, explaining the...
View ArticleHow to Monitor MySQL with Percona’s Nagios Plugins
In this post, I’ll cover the new MySQL monitoring plugins we created for Nagios, and explain their features and intended purpose.I want to add a little context. What problem were we trying to solve...
View ArticleRotating MySQL slow logs safely
This blog post is part two of two. Like part one, published Wednesday, this is a cross-post from Groupon’s engineering blog. Thanks again to Kyle Oppenheim at Groupon. And one more reminder that I’ll...
View ArticleMySQL Audit Plugin now available in Percona Server 5.5 and 5.6
The new Percona Server 5.5.37-35.0 and Percona Server 5.6.17-65.0-56, announced yesterday (May 6), both include the open source version of the MySQL Audit Plugin. The MySQL Audit Plugin is used to log...
View ArticleLog rotate and the (deleted) MySQL log file mystery
Did your logging stop working after you set up logrotate? Then this post might be for you.Archive your log files!Some time ago, Peter Boros wrote about Rotating MySQL Slow Logs safely, explaining the...
View Article