… downgrading from MySQL 5.1.25 to 5.0 We have other customers (and our own projects as well) which run on MySQL 5.1 successfully but I can’t it is on par with MySQL 5.0 stability yet. This given customer…, so may be there are some issues with FreeBSD and MySQL 5.1 still ?
Post: MySQL 5.1 went to GA. Was it a good move ?
December 10, 2008 By 4 Comments
… are writing hey, MySQL 5.1 works for them I do not think this has anything to do with MySQL 5.1 stability. I know people who are happy with MySQL 6.0 and Falcon stability for months now – it… bright side MySQL 5.1 “GA” quality was much better than MySQL 5.0 quality when it was released. Though the question remains, was MySQL 5.1…
Post: Upgrading MySQL
January 5, 2010 By 24 Comments
… version – Upgrade of MySQL 5.0.30 to 5.0.32 is generally likely to expose less issues than 5.0.30 to 5.0.86. The largest amount… one. MySQL always was very good maintaining on disk binary compatibility between version and so you can run MySQL 5.0 database with MySQL 5.1… move read traffic to such slave to ensure new version stability and performance while you still have the slave running the…
Post: MySQL Server Upgrade
August 11, 2006 By 9 Comments
… MySQL 4.1.21. Why Did not I go with MySQL 5.0 ? There are three reasons. First there are number of changes in 5.0 some of which are incompatible with MySQL 4… CPU cycles to waste. Third – My sense of MySQL 5.0 stability is still not at MySQL 4.1 level. This is not exactly problem…
Post: Adaptive flushing in MySQL 5.6
September 4, 2012 By 8 Comments
…/ http://www.mysqlperformanceblog.com/2011/01/03/mysql-5-5-8-in-search-of-stability/ In MySQL 5.6 there was implemented a new flushing logic… in MySQL 5.5 ( MySQL 5.5.27): As you can see there is prolonged periods of time (up to few minutes) when throughput drops to 0… improvement. However from a stability standpoint it is far from being perfect. Another improvement that comes with MySQL 5.6 it is a…
Post: Disaster: MySQL 5.5 Flushing
September 18, 2011 By 27 Comments
… times, some links: InnoDB Flushing theory and solutions MySQL 5.5.8 in search of stability This was not often recurring problem so far… catch up with flushing changed data. With widely adoption of MySQL 5.5 and servers with big memory configuration I expect we will… usually takes 75% mark as limit for “sync” stage ( 3800M * 0.75 = 2850M ). That is checkpoint age exceeds 75% sync mark…
Post: MySQL - to use or not to use
May 28, 2007 By 10 Comments
…) since MySQL 4.0. This even applies to Innodb tables which were already on par with general MySQL level of stability in MySQL 4.0 But now get back to the question of using MySQL. I’m obviously… features within rather short time. MySQL 5.0 with spice of enterprise features is far from being simple and MySQL 5.1+ with wide choice…
Post: MySQL 5.5.8 and Percona Server: being adaptive
December 20, 2010 By 25 Comments
… (and actually even before that, in percona-patches builds for 5.0), we added adaptive checkpoint algorithms, and later the InnoDB-plugin… a short, 5-minute exercise.) Although it takes a decent time for the Percona Server results to stabilize, for MySQL 5.5.8 we have… requires setting innodb_flush_neighbor_pages=0 , to disable flushing of neighborhood pages (not available in MySQL 5.5.8). The problem with flushing…
Post: MySQL 5.5.8 - in search of stability
January 3, 2011 By 11 Comments
…, Analyzing Percona’s TPCC-like Workload on MySQL 5.5, which was a response to my post, MySQL 5.5.8 and Percona Server: being adaptive… have when we disable doublewrite; that is, set innodb_doublewrite=0. Now, although throughput is not a perfect line, we see… with MySQL 5.5.8 (with innodb_doublewrite enabled). In summary, my conclusion is: You can try to get stable throughput in MySQL 5.5.8Â…
Post: Percona Server 5.5.18-23.0: Now with Group Commit!
December 19, 2011 By 3 Comments
… Server 5.5.18-23.0 on December 19th, 2011 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.18, including all the bug fixes in it, Percona Server 5.5.18-23.0 is now the current stable release in the 5.5…, were audited and fixed. Bug fixed: #878164 (Laurynas Biveinis) Testsuite stability fix for the percona_status_wait_query_cache_mutex test…
