… bad block number (or reserve capacity) such that the card performance doe not degrade from what it was spec’d at…. You will have warning from life left reading in the monitor tool as well as ability to continue for a while to…
Comment: Heikki Tuuri answers to Innodb questions, Part II
November 5, 2007 By 13 Comments
Bill, In our performance monitoring patches we now implemented per query working set estimation. It … disk (it is just 250K/minute) and when use some tools to analyze how many distinct pages are being written/read…
Post: Percona Toolkit Webinar followup Q&A
December 19, 2012 By 1 Comment
… left unmodified. The same attendee asked about any performance differences when using the tool with or without innodb_file_per_table, and… nagios plugins as all nagios plugin doesn’t output performance data? The Percona Monitoring Plugins include cacti templates and nagios plugins, and…
Post: Living with backups
November 6, 2008 By 28 Comments
… slower queries execution and significantly degraded performance. Anything else? All modern systems usually …ionice -c3 /root/backup-tools/tar … ionice -c2 -n7 /root/backup-tools/tar … Please cosult …to constantly monitor the database status and if any problems were noticed, the monitoring would …
Post: Helgrinding MySQL with InnoDB for Synchronisation Errors, Fun and Profit
November 24, 2011 By 2 Comments
…to the MySQL server developers. The Valgrind Memcheck tool, which is synonymous with Valgrind itself, is… after the reset. A speculative processor might perform the read first, which could leave a… between srv_monitor_thread and srv_error_monitor_thread InnoDB threads storing to srv_last_monitor_time….
Post: Give me 8 hours, and I'll help you build a better application
August 29, 2009 By 4 Comments
… step towards better performance, and archiving can help do that. 2. Monitor Your Servers Everybody should have an automated monitoring system that is… up monitoring can seem to be a daunting task, in part because of the steep learning curve that comes with most tools… misguided advice and plugins for such tools, which will lead you to believe that you should monitor every ratio and counter there…
Post: SHOW INNODB STATUS walk through
July 17, 2006 By 40 Comments
… a lot of internal Innodb performance counters, statistics, information about transaction …: ===================================== 060717 3:07:56 INNODB MONITOR OUTPUT ===================================== Per second averages calculated … also be used as debugging tool. Next section you will find …
Post: How Can Percona MySQL Server Development Services Help ?
January 28, 2013 By 3 Comments
… from proprietary license lock-in. Performance – We’re very good helping you to get the most performance from your MySQL server via… on new tools, features, improvements, and bug fixes in tools like Percona Toolkit, Percona Xtrabackup, Percona Monitoring Plugins, and others. Non-Percona Tools – Can…
Post: Finding your MySQL High-Availability solution – Replication
November 13, 2009 By 6 Comments
…good level of availability, you need a good monitoring and alerting system to quickly react to … over to a slave means no degraded performance associated with caches warm up. Finally, it …failover or recovery should be automatic. There are tools to manage automatic failover with replication like MMM…
Post: Percona's Commitments to MySQL Users
November 5, 2010 By 10 Comments
…Percona XtraBackup. We have also worked to create open-source tools for monitoring, query analysis, replication management, and other capabilities. If … Officer Vadim Tkachenko, Chief Technology Officer Baron Schwartz, Chief Performance Architect Tom Basil, Chief Operating Officer Bill Schuler, Vice …
