The second Development Milestone Release for MySQL Cluster 7.3 has just been released – download it from the development tab on this page.
It’s not uncommon to promote a server from slave to master. One of the key things to protect your data integrity is to make sure that the promoted slave is permanently disconnected from its old master. If not, it may get writes from the old master, which can cause all kinds of data corruption. MySQL provides the handy
RESET SLAVE command. But as we’ll see, its behavior has changed along with the MySQL versions and it’s easy to shoot yourself in the foot if you use it incorrectly. So how do you safely disconnect a replication slave?
Percona is glad to announce the release of Percona XtraDB Cluster 5.5.30-23.7.4 for MySQL on April 17, 2013. Binaries are available from the href="http://www.percona.com/downloads/Percona-XtraDB-Cluster/5.5.30-23.7.4/">downloads area or from our href="http://www.percona.com/doc/percona-xtradb-cluster/installation.html#using-percona-software-repositories">software repositories.
I’m scheduled to talk about Go a couple times in the upcoming weeks.
The first is May 4th in Arlington at A Day Of Foster.ly. I’ll be a participant in a panel titled Add To Your Programming Toolkit: Languages You Should Know About (Erlang, Clojure, R, Go, etc…). I’m talking about Go, naturally.
Today’s blog post diving into the waters of the MySQL buffer pool is a cross-post from href="https://engineering.groupon.com/2013/mysql/mysql-buffer-pool-warming/" target="_blank">Groupon’s engineering blog, and is Part 1 of 2. Thank you to href="http://www.linkedin.com/in/koppenheim">Kyle Oppenheim at Groupon for contributing to this project and post. We’ll be posting Part 2 on Thursday.
The Micron P320h SSD is an SLC-based PCIe solid-state storage device which claims to provide the highest read throughput of any server-grade SSD, and at Micron’s request, I recently took some time to put the card through its paces, and the numbers are indeed quite impressive.
The title="Percona Live MySQL Conference and Expo" href="http://www.percona.com/live/mysql-conference-2013/" target="_blank">Percona Live MySQL Conference and Expo begins next Monday and runs April 22-25, 2013. Attendees will see great keynotes from leaders in the industry including representatives from Oracle, Amazon Web Services, HP, Continuent, and Percona.
In addition to the problem with
trx_list scan I discussed in
href="http://www.mysqlperformanceblog.com/2013/04/12/trx-descriptors-mysql-performance-improvements-in-percona-server-5-5-30-30-2/" target="_blank">Friday’s post, there is another issue in InnoDB transaction processing that notably affects MySQL performance – for every transaction InnoDB creates a
Do not forget to register for the MySQL Community Reception by Oracle.
Lots of giveaways and one very cool dolphin but space is limited so RSVP Today!
Monday, April 22, 2013
6:30 P.M. – 8:30 P.M. PDT
TechMart Santa Clara
5201 Great America Parkway
Santa Clara, CA, USA