Events this week: Percona Live London, LinuxCon Europe
A big week for conferences in Europe this week. We’re starting it off at Percona Live London 2011 (see previous post), with both Sergei Golubchik and Colin Charles presenting talks on Tuesday 25...
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MySQL Thread Pool: When to use?
The most important variable to monitor is threads_running. Thisvariable keeps track of the number of concurrent statementscurrently executing in the MySQL Server.If this variable has spikes that put it...
View ArticlePHP and MySQL Cluster: Load Balancing without R/W split
The free Mysqlnd replication and load balancing plugin now offers load balancing and lazy connections independent of read write splitting. This makes the plugin attractive for MySQL Cluster users. All...
View ArticleOptimized Pagination using MySQL
Dealing with large data sets makes it necessary to pick out only the newest or the hottest elements and not displaying everything. In order to have older items still available, Pagination navigation's...
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MySQL Thread Pool vs. Connection Pool
Given that thread and connections in the MySQL Serverhave been so intertwined, it is easy to confuse thepurpose of the MySQL Thread Pool and the purpose ofa Connection Pool.The aim of a Connection Pool...
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Making slave pre-fetching work better with SSD
In the recent few weeks I have spent some time for creating yet another slave prefetching tool named "Replication Booster (for MySQL)", written in C/C++ and using Binlog API. Now I'm happy to say that...
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Running a Secure (Encrypted) MySQL Backup Using mysqldump on Linux
One of the challenges many face when running a secure encrypted MySQL backup on Linux is using managed or scheduled mysqldumps without exposing them. The data – within the mysqldump backup file The...
View ArticlePartition exchange preview in MySQL 5.6
MySQL 5.6 proposes improved partition maintenance through "partition exchange". Even if not yet available, dbi services performed some tests on the MySQL Community Edition5.6.2 m5 release (still under...
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Severalnines releases ClusterControl™ for MySQL Galera in cooperation with...
Stockholm – October 25th 2011Severalnines, provider of automation and management software for easily usable, highly available and auto-scalable cloud database platforms, today announces the release of...
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Free Percona Live London Reception at Revolution Bar
Even if you didn’t make it to Percona Live London, you can get the chance to hang out with us. We’re giving a reception at the Revolution Bar America Square just a few meters walk from the Tower Hill...
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MySQL Thread Pool: Optimal configuration
The thread pool plugin has a number of configuration parameters that will affectits performance. These are documented in the MySQL manual here.To configure the thread pool for optimal operation the...
View ArticleChallenges of Big Databases with MySQL – OOW11 Presentation
Many database management tasks become difficult as you move from millions of rows and gigabytes of data to billions of rows and terabytes of data. Such tasks include ingesting data while maintaining...
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451 CAOS Links 2011.10.25
Microsoft: “more than half your Android devices are belong to us”. And more # Microsoft claimed that more than half of the world’s ODM industry for Android and Chrome devices is now under license to...
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MySQL/Galera Release 1.0 - Replication Redefined
MySQL/Galera Release 1.0 has slipped from our hands, we could not hold back it anymore. The pressure was just too immense from the community, our partners, and our new sales guy (specials thanks to...
View ArticleAutomatic Downtimes in Nagios Without Using Time Periods
Monitoring systems are a great thing, and we rely heavily on Nagios here at PalominoDB. We also rely heavily on xtrabackup for (mostly) non-locking, "warm" backups of MySQL. In order to get a...
View ArticleWhy generalists are better at scaling the web
Recently at Surge 2011, the annual conference on scalability and performance, Google's CIO Ben Fried gave an illuminating keynote address. His main insight was that generalists are the people that...
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Handling the Hockey Stick Growth
The term hockey stick is used to describe the effect of an app that suddenly goes viral. Take a look at the graph to the left. There is modest growth and suddenly, the app goes viral and takes off. It...
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Percona Live is now over!
And this was a great event! I'm at Heathrow catching a severely delayed flight back home to Stockholm now. Before I board the flight, I just letting you know that my slides will be on-line in a very...
View ArticlePercona Live London 2011
I was at Percona Live London 2011 these past two days. Very interesting conference. Good work Peter & team — you’ve managed to gather a good 300+ people at one venue in London. So full was the...
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A better way to re-set the Auto Increment value within MySQL
I work for a real estate website and we are running out of property numbers for some of our listings. Many moons ago logic in the code stated that listing types. For example a Commercial listing or...
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