…’s software is open-source and free, all the details of the release…innodb_read_views_memory and innodb_descriptors_memory status variables in the Extended Show Engine InnoDB Status to improve InnoDB… CVE-2012-5627 vulnerability, where an unprivileged MySQL account owner could perform brute-force…
Post: ZFS on Linux and MySQL
May 24, 2013 By 17 Comments
…on write filesystem, the snapshots are free, no performance penalty. You can …the task. Snapshots work best with InnoDB, with MyISAM you’ll have to…data that doesn’t compress well showed a compression ration of 1.70 … is a very interesting solution for MySQL backup servers. All backup solutions have…
Post: 10 years of MySQL User Conferences
April 11, 2013 By 6 Comments
… show with keynotes and I recall one of them saying something like, “12 full-time engineers are working on MySQL server.” The MySQL… as a potential Innodb successor. A “MySQL Network” commercial subscription product was announced in what later evolved into “MySQL Enterprise,” and MySQL 5.0… as a free event going concurrently with the conference and announced Percona XtraDB as improved and extended Innodb Plugin version, MySQL 5.1…
Post: Percona Server for MySQL 5.5.30-30.2 now available
April 10, 2013 By 10 Comments
…is open-source and free, all the details…MySQL will now be shipped with the libjemalloc library. Benchmark showing the impact of memory allocators on MySQL…MySQL has fixed a number of performance bugs. (Alexey Kopytov) Drop table performance feature has been removed and its controlling variable innodb…
Post: Percona XtraBackup 2.0.7 for MySQL available for download
May 6, 2013 By 1 Comment
… the world’s only open-source, free MySQL hot backup software that performs non-blocking backups for InnoDB and XtraDB databases. This release… binaries, the –version message which should include the revision was showing “undefined”. Bug fixed #1171721. Redundant code has been removed from…
Post: Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL now available
April 17, 2013 By 2 Comments
…from our repositories. Benchmark showing the impact of memory allocators on MySQL performance can be found…Alex Yurchenko). If variable innodb_thread_concurrency has been defined to throttle InnoDB access, and work … Percona’s software is open-source and free. Release notes for Percona XtraDB Cluster …
Post: MySQL and Percona Server in LinkBench benchmark
May 8, 2013 By 18 Comments
…*, unsigned long) | |–99.14%– buf_LRU_free_block(buf_page_t*, unsigned long) | | | …MySQL 5.6. In IO-bound cases MySQL still has performance issues around mutexes and Percona Server shows…innodb_buffer_pool_instances=16 # MySQL 5.5 and 5.6 loose-innodb_io_capacity_max = 15000 #Percona only innodb…
Post: Announcing Percona XtraBackup 2.1.1 GA
May 15, 2013 By Leave a Comment
…free as an open source solution, XtraBackup drives down backup costs while providing unique features for MySQL…MySQL package for server communication instead of spawning the MySQL command line client. Support for InnoDB 5.0 and InnoDB…Bugs Fixed: innobackupex is using SHOW MASTER STATUS to obtain …
Post: Percona Monitoring Plugins 1.0.3 for MySQL now available
April 23, 2013 By 4 Comments
…templates, plugins, and scripts. Changelog: * MySQL 5.6 compatibility for InnoDB graphs (bug 1124292) * Added … blue and green and to show bits/sec (bug 1132900) * Extended “MySQL Threads” graph with …customers with a Percona Support contract and free installation services are provided as part of…
Post: The write cache: Swap insanity tome III
April 19, 2013 By 5 Comments
… the MySQL process using the numactl utility, drop the file cache and pre-allocate the innodb buffer pool with the innodb_… 30539 21120 2 3 81 13 0 Note the free column going down and the cache one going up …A quick survey of the servers I have access to showed that the common values are 20 and 40. I …
