… even minor MySQL version upgrade can have both of these issues. It gets larger as you have a larger leap in minor version – Upgrade of MySQL… you skip over one. MySQL 5.0 to 5.1 upgrade is a lot safer upgrade path than 4.1 to 5.1 just… publicity over years is change of TIMESTAMP output format in MySQL 4.1 or changing JOIN evaluation in 5.0 (which could…
Post: MySQL Server Upgrade
August 11, 2006 By 9 Comments
… the bugs in MySQL 4.1.12 so there was a need for upgrade. Which Version did I upgrade to ? I Upgraded to MySQL 4.1.21. Why Did not I go with MySQL 5.0… have to rush and use latest MySQL version neither it always makes sense to upgrade to each minor release if there are no…
Post: Even minor upgrades are not always safe
September 4, 2006 By 5 Comments
… keep most of my systems on MySQL 4.1 still as they will not benefit from MySQL 5.0 features anyway while I… with minor updates and they could happen even pretty late in the product life time. In this case during 4.1 upgrade which is old stable version which is not as actively changed as 5.0 I upgraded MySQL 4.1.19 to 4…
Post: MySQL Installation and upgrade scripts.
May 21, 2007 By 3 Comments
I generally find MySQL Sever sufficiently tested, meaning at least minor version upgrades rarely cause the problems. Of course it is not perfect… respect. Major version upgrades become more painful recently. In MySQL 3.22->3.23 upgrades or 3.23->4.0 upgrades you really could just… to the old version. I think it was great. In MySQL 4.1 and later more caution is required because you could…
Post: Percona Toolkit 2.0.4 released
March 8, 2012 By Leave a Comment
… Toolkit version 2.0.4 is available for immediate download. This release fixes 25 bugs…a bug-fix release only, with the exception of a minor new filtering option for pt-kill. The change log …require a lot less thought from users: upgrade to a release series and keep upgrading as we fix bugs; we won’t…
Comment: Percona Toolkit 2.1 with New Online Schema Change Tool
April 22, 2012 By 10 Comments
… version, to “upgrade“? 3. Thirdly, thanks for your help and information. I just made the MySQL, apache2 and …MySQL 5.5 has been getting much slower (in terms of qps) with the last two or three minor… to INNOdb tables really slowed down mySQL as measured by qps, in the last 4-6 months? Best regards,…
