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June 3, 2015
Optimizing Percona XtraDB Cluster for write hotspots
Some applications have a heavy write workload on a few records – for instance when incrementing a global counter: this [...]
June 2, 2015
innodb_buffer_pool_size – Is 80% of RAM the right amount?
It seems these days if anyone knows anything about tuning InnoDB, it’s that you MUST tune your innodb_buffer_pool_size to 80% [...]
June 1, 2015
New PERFORMANCE_SCHEMA defaults in MySQL 5.7.7
I thought it was worth a moment to reiterate on the new Performance Schema related defaults that MySQL 5.7.7 brings [...]
May 28, 2015
Percona XtraBackup 2.2.11 is now available
Percona is glad to announce the release of Percona XtraBackup 2.2.11 on May 28, 2015. Downloads are available from our [...]
May 27, 2015
MySQL 5.7 key features
The other day I was discussing new features of MySQL 5.7 with a Percona Support customer. After that conversation, I [...]
May 20, 2015
Percona XtraBackup 2.3.1-beta1 is now available
Percona is glad to announce the release of Percona XtraBackup 2.3.1-beta1 on May 20th 2015. Downloads are available from our [...]
May 18, 2015
Percona security update: oCERT and SSL improvements
We have recently become a member of oCERT to aid in allowing responsible disclosure for Percona products and services as [...]
May 15, 2015
MySQL QA Episode 2: Build a MySQL server – Git, Bazaar, Compiling & Build tools
Welcome to MySQL QA Episode 2: Build a MySQL Server – Git, Bazaar (bzr), Compiling, and Build Tools In this [...]
May 8, 2015
Percona Server 5.6.24-72.2 is now available
Percona is glad to announce the release of Percona Server 5.6.24-72.2 on May 8, 2015. Download the latest version from the [...]
May 8, 2015
Percona Server 5.5.43-37.2 is now available
Percona is glad to announce the release of Percona Server 5.5.43-37.2 on May 8, 2015. Based on MySQL 5.5.43, including [...]
May 8, 2015
MongoDB with Percona TokuMXse – experimental build RC5 is available!
While our engineering team is working on finalizing the TokuMXse storage engine, I want to provide an experimental build that [...]
May 8, 2015
MySQL indexing 101: a challenging single-table query
We discussed in an earlier post how to design indexes for many types of queries using a single table. Here [...]
May 7, 2015
Introducing email reports for Percona Cloud Tools!
For those PCT users who forget to regularly check query performance, you can now get server query reports delivered to [...]
May 6, 2015
Percona Security Advisory CVE-2015-1027
Contents Summary Analysis Mitigating factors P.O.C Acknowledgments Summary During a code audit performed internally at Percona, we discovered a viable [...]
May 6, 2015
Peter Zaitsev hits the road for East Coast MySQL Meetup tour
Percona CEO Peter Zaitsev and Big Data guru Alexander Rubin will be speaking at Meetups along the East Coast next [...]
May 5, 2015
MongoDB’s flexible schema: How to fix write amplification
Being schemaless is one of the key features of MongoDB. On the bright side this allows developers to easily modify [...]
May 4, 2015
Keep your MySQL data in sync when using Tungsten Replicator
MySQL replication isn’t perfect and sometimes our data gets out of sync, either by a failure in replication or human [...]
May 1, 2015
LinkBenchX: benchmark based on arrival request rate
An idea for a benchmark based on the “arrival request” rate that I wrote about in a post headlined “Introducing [...]
April 30, 2015
Optimizer hints in MySQL 5.7.7 – The missed manual
In version MySQL 5.7.7 Oracle presented a new promising feature: optimizer hints. However it did not publish any documentation about [...]
April 29, 2015
Generated (Virtual) Columns in MySQL 5.7 (labs)
About 2 weeks ago Oracle published the MySQL 5.7.7-labs-json version which includes a very interesting feature called “Generated columns” (also know [...]