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Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue

… Server for MySQL will now be shipped with the libjemalloc library. Benchmark showing the impact of memory allocators on MySQL performance can be found in this blogpost. (Ignacio Nin) This release of...

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Post: The small improvements of MySQL 5.6: Duplicate Index Detection

Here at the MySQL Performance Blog, we’ve been discussing the several new features that MySQL 5.6 brought: GTID-based replication, InnoDB…, Memcached integration, a more complete performance schema,...

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Post: Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available

… our repositories. Benchmark showing the impact of memory allocators on MySQL performance can be found in this blogpost. This release of Percona… leave a slave hanging. Bug fixed #1130888 (Seppo...

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Post: Memory allocators: MySQL performance improvements in Percona Server...

… is another issue in InnoDB transaction processing that notably affects MySQL performance – for every transaction InnoDB creates a read view and allocates… and in some cases can be the reason for...

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Post: Percona Server for MySQL 5.5.30-30.2 now available

… Server for MySQL will now be shipped with the libjemalloc library. Benchmark showing the impact of memory allocators on MySQL performance can be found in this blogpost. (Ignacio Nin) This release of...

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Post: trx descriptors: MySQL performance improvements in Percona Server...

One major problem in terms of MySQL performance that still stands in the way of InnoDB scalability is … transaction. Why is that a major problem for MySQL scalability? The scan is performed under...

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Post: Percona XtraDB Cluster 5.5.31-23.7.5 now available

…with MySQL libraries when performing fresh CentOS installation. Bug fixed #1183669. The RPM installer script had the datadir hardcoded to /var/lib/mysql…counterpart) were causing issues. Bug fixed...

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Post: Percona MySQL University @Portland next Monday!

… the MySQL Community: Vadim Tkachenko, Percona co-Founder and CTO, will talk about Percona XtraDB Cluster, Percona Xtrabackup and Performance and Improvements and new Features in MySQL 5.6 Garrick...

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Post: Percona Server 5.6.11-60.3 first Release Candidate now available

… id=”attachment_13396″ align=”alignright” width=”247″] Percona Server for MySQL version 5.6.11-60.3[/caption] Percona is glad… calloc() directly instead of using InnoDB heap allocation. This may...

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Post: Percona Server 5.5.32-31.0 now available

… available here and from the Percona Software Repositories). Based on MySQL 5.5.32, including all the bug fixes in it… limiting performance on write-intensive workloads. Bug fixed #1171699. The RPM...

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Post: 10 years of MySQL User Conferences

…. MySQL Cluster and MySQL Press were announced during this event; “High Performance MySQL” 1st edition written by Jeremy and Derek was also available. MySQL 4… Performance Conference as a free event...

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Post: MySQL and the SSB - Part 2 - MyISAM vs InnoDB low concurrency

… investigate further), but I believe the adaptive hash index is improving performance of InnoDB significantly during the hot run, as hash indexes… [mysqld] datadir=/mnt/mysql56/data...

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Post: Percona Server for MySQL 5.5.31-30.3 now available

… status variables in the Extended Show Engine InnoDB Status to improve InnoDB memory usage diagnostics. Bugs Fixed: Fix for bug #1131187… the CVE-2012-5627 vulnerability, where an unprivileged MySQL...

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Post: Percona Server 5.6.11-60.3 first Release Candidate now available

… id=”attachment_13396″ align=”alignright” width=”247″] Percona Server for MySQL version 5.6.11-60.3[/caption] Percona is glad… calloc() directly instead of using InnoDB heap allocation. This may...

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Post: Schema changes - what's new in MySQL 5.6?

… from Openark Kit or Facebook OSC. LONG STORY Historically, MySQL had to perform full table copy for all DDL (Data Definition Language… improvement is that in addition to existing instant ALTER...

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Post: MySQL Query Patterns, Optimized - Webinar questions followup

… subqueries) and we saw in my presentation that sometimes these perform worse and sometimes better than another equivalent solution. If you… query optimizer analyzes queries for common patterns the...

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Post: Announcing Percona XtraBackup 2.1.1 GA

… costs while providing unique features for MySQL backup. The new 2.1.1 GA version offers improved performance, enterprise-grade security, and lower…. Percona XtraBackup can use XtraDB changed page...

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Post: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 2

… shine and where improvements are expected. This is the second post of a series of articles focused on MySQL 5.6 GTIDs… to s2. This scenario can happen when you want to perform a planned failover....

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Post: InnoDB Full-text Search in MySQL 5.6: Part 3, Performance

… I’d actually take a look at the performance of InnoDB FTS in MySQL 5.6 versus traditional MyISAM FTS. I hadn… only thing which seemed to provide a bit of a performance improvement was upgrading to...

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Post: Percona Server 5.6 Webinar follow-up and Q&A

… MySQL 5.6 was by far the best first GA release of any MySQL version ever and subsequent MySQL 5.6 releases have improved… covers both MySQL 5.6 and Percona Server 5.6. Q: I didn’t notice any mention...

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