Should you migrate to Percona XtraDB Cluster?

Interest in Percona XtraDB Cluster / Galera has been high ever since we introduced the product in 2012.  I typically have a conversation about Galera and Percona XtraDB Cluster (PXC) at least once a week with a consulting customer who wants to know if it will be a good fit for their application.  Last […]

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MySQL Upgrade Best Practices

MySQL upgrade best practices

MySQL upgrades are necessary tasks and we field a variety of questions here at Percona Support regarding MySQL upgrade best practices. This post highlights the recommended ways to upgrade MySQL in different scenarios.
Why are MySQL upgrades needed? The reasons are many and include Access to new features, performance benefits, bug fixes… However, MySQL upgrades […]

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Announcing TokuDB v7.5: Read Free Replication

Today we released TokuDB® v7.5, the latest version of Tokutek’s storage engine for MySQL and MariaDB.
I’ll be publishing two blogs next week to go into more details about our new “Read Free Replication”, but here are high level descriptions of the most important new features.

Read Free Replication
TokuDB replication slaves can now be configured to […]

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Managing big data? Say ‘hello’ to HP Vertica

Over the past few months, I’ve seen an increase in the following use case while working on performance and schema review engagements:
I need to store exponentially increasing amounts of data and analyze all of it in real-time.
This is also known simply as: “We have big data.” Typically, this data is used for user interaction […]

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Syncing MySQL slave table with pt-online-schema-change

I recently encountered a situation in which after running Percona Toolkit’s pt-table-checksum on a customer system, 95% of the table on the MySQL master was different on the MySQL slave. Although this table was not a critical part of the infrastructure, from time to time, writes to the table from the master would break […]

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