Percona's MySQL & InnoDB performance and scalability blog
According to this link, https://mariadb.atlassian.net/browse/MDEV-4662 Jesper is correct and I am wrong: when InnoDB warns about not enough space in the logs, it’s overwritten its last checkpoint. Thanks to Jeremy Cole for finding out the truth.
… website where we have about 1200 tables each with hundreds of thousands of records, for we use sphinx based on attributes, but…
… was no truncation: MEDIUMTEXT is bigger than TEXT. MySQL does this to make sure there’s *no* truncation, as explained in… a complete explanation of why TEXT coverts to MEDIUMTEXT] Maybe something changed since this article was originally written, but right now it seems…
Great test and report Vadim! I think the performance schema will be a great addition to MySQL once it’s more established. Just starting with MySQL after retiring from handling oracle databases – now volunteering 
Thanks for sharing.
Please post your experience on Percona XtraDB Cluster (PXC) on AWS. I would help us since we want to explore this option.
…0.00 sec) In previous versions of MySQL, you can create two indexes with the same …can‘t MySQL enforce this kind of constraints? For many reasons: the first one because it would break 99% of all applications out…of the two indexes was unique or a foreign key. This is the output of our tool when run…
…a MySQL HA Solution” webinar. If you weren’t able to make it but are …of databases, or specific tables; you can also configure the slave to replicate everything EXCEPT a specified set of databases and tables. With this… servers are seeing. But, if you can connect and run a simple query and receive …
…you‘re laughing, if not don’t despair, you just have a bit more work ahead of you. Most of…prefer to create this once so that the command line is shorter …> If you‘re looking for other examples you can find a more comprehensive example here. Running… out there. java -jar schemaSpy_5.0.0.jar -t mysql …
…, Optimized” for Percona MySQL Webinars. If you missed it, you can still register to view the … than just running the query in a suboptimal form. Q: Doesn’t the primary …t clear, because I didn’t present the details of all the tables and columns. It turned out this solution was 150x faster for this…
…command is not present any more 
It’s still possible to find the command…now you are able to stop maintenance mode: [root@percona2 percona]# pcs property set maintenance-mode=false You can…
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