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Managing shards of MySQL databases with MySQL Fabric
All of Percona’s open-source software products, in one place, to download as much or as little as you need.
High Availability Options for MySQL - October 2013 Update
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MySQL 5.7 multi-source replication
All of Percona’s open-source software products, in one place, to download as much or as little as you need.
InnoDB Performance Optimization Basics
This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7 and 8.0 have been released since then with some major changes. These guidelines work well for
Benchmarking Percona Server TokuDB vs InnoDB
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Statement based replication with Stored Functions, Triggers and Events
Statement based replication writes the queries that modify data in the Binary Log to replicate them on the slave or to use it as a PITR recovery. Here we will see what is the behavior of the MySQL when it needs to log “not usual” queries like Events, Functions, Stored Procedures, Local Variables, etc. We’ll learn what problems can we have and how to avoid them. TRIGGERS When a statement activates
MySQL performance on EC2/EBS versus RDS
A while ago I started a series of posts showing benchmark results on Amazon EC2 servers with RAID’ed EBS volumes and MySQL, versus RDS machines. For reasons that won’t add anything to this discussion, I got sidetracked, and then time passed, and I no longer think it’s a good idea to publish those blog posts in the format I was planning. Instead, I want to write an overview of these two approaches
How to use tcpdump on "Very" Busy Hosts
Tcpdump Packet Loss on Busy ServersOften I run into problems when trying to use mk-query-digest with tcpdump on “very” busy hosts. You might be thinking, “very busy is a relative and unquantifiable term,” and you’d be right, so I’ll phrase this differently. Let me give a little background to the problem first. Mk-query-digest tries to handle dropped or missing packets gracefully, but even so they
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Checking B+tree leaf nodes list consistency in InnoDB
Percona Server on the Nexus 7: Your own MySQL Database Server on an Android Tablet
Troubleshooting MySQL Upgrade Performance Regressions
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