Innodb Table Locks
Innodb uses row level locks right ? So if you see locked tables reported in SHOW ENGINE INNODB STATUS you might be confused and rightfully so as Innodb table locking is a bit more complicated than...
View ArticleMySQL Indexing Best Practices: Webinar Questions Followup
I had a lot of questions on my MySQL Indexing: Best Practices Webinar (both recording and slides are available now) We had lots of questions. I did not have time to answer some and others are better...
View ArticlePercona XtraDB Cluster – installation and setup webinar follow up Q&A
Thanks for all, who attended my webinar, I got many questions and I wanted to take this opportunity to answer them.Q: Even ntp has a delay of 0.3-0.4 between servers does that mean a 0.25 as from logs...
View ArticleUnexpected problem with triggers and mysqldump
Some time ago, I had to convert all tables of a database from MyISAM to InnoDB on a new server. The plan was to take a logical dump on the master, exporting separately the schema and the data, then...
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InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!
InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!This is part 2 in a 3 part series. In part 1, we took a quick look at some initial configuration of InnoDB full-text search and discovered a...
View ArticleThe ARCHIVE Storage Engine – does it do what you expect?
Sometimes there is a need for keeping large amounts of old, rarely used data without investing too much on expensive storage. Very often such data doesn’t need to be updated anymore, or the intent is...
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Followup questions to ‘What’s new in Percona XtraDB Cluster 5.6′ webinar
Thanks to all who attended my webinar yesterday. The slides and recording are available on the webinar’s page. I was a bit overwhelmed with the amount of questions that came in and I’ll try to answer...
View ArticleA closer look at the MySQL ibdata1 disk space issue and big tables
A recurring and very common customer issue seen here at the Percona Support team involves how to make the ibdata1 file “shrink” within MySQL. I can only imagine there’s a degree of regret by some of...
View ArticleWhen (and how) to move an InnoDB table outside the shared tablespace
In my last post, “A closer look at the MySQL ibdata1 disk space issue and big tables,” I looked at the growing ibdata1 problem under the perspective of having big tables residing inside the so-called...
View ArticleTokuDB FAQ
Links to the FAQ Sections can be found here:General InformationOpen SourceTechnical DetailsBest Practices and ToolsGeneral InformationANY CHARACTER HERE1. What is TokuDB?TokuDB is an ACID compliant...
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