June 18, 2013

Post: Thank you for joining us at Percona Live, NYC 2012

… the market. Facebook has been using them for years now so we can call it pretty proven used with MySQL. Nimbus Data…, filtering, cross database replication. It feature set beats MySQL 5.6 but as Robert Hodges puts it , “it works with MySQL 5.0… in his inspiring Keynote. Clustrix have been showing their scalable MySQL compatible database solution built from the ground up. They got very…

Post: Battery Learning still problem many years after

… back. We wrote about it, other people from MySQL Community too. The situation did not get better, …lot better than forcing write cache without Battery as database should not get corrupted in case of bad … I’m also wondering if this is something where Facebook Flash Cache can be helpful – if it can …

Post: Percona Live gets bigger: two more speaker tracks!

… every angle of running a large database in the cloud. This isn’t an extraordinary database, all things considered — as they told…, who make it all possible: Clustrix, Vork, Continuent, Webyog, EffectiveMySQL, Facebook, OmniTI, Sphinx, Tokutek, Zmanda, DaniWeb, and PalominoDB.

Post: Percona Server and XtraBackup weekly news, March 5th

… Squeeze in our repositories on the next release based on MySQL 5.1.55, which we estimate will be released on… feature could help alleviate. We merged a change developed by Facebook that reduces excess fcntl() calls. This has been shown to…. We have decided to make innobackupex always back up the MySQL system database, even for partial backups; it contains data that is…

Comment: Introducing new type of benchmark

… have a few key databases but our dataset is 150G for one, 500G for another (for databases that are our lively hood). So we’re not at a scale of Facebook or Twitter, and given… at the scale of Facebook and/or have a sharded datastore. A possible solution is to use mysql proxy and an alterate…

Post: Level 2 Flash cache is there

… my talk An Overview of Flash Storage for Databases I see in the near and middle term …. I congrats Facebook with implementation of great idea and I am happy to see Facebook releases it under … David Jiang http://code.google.com/p/david-mysql-tools/wiki/innodb_secondary_buffer_pool, it allows …

Comment: When should you store serialized objects in the database?

… like Facebook and Twitter do *exactly* this. Especially in Facebook‘s case, this strategy has been key to their scalability. Treating MySQL like… your applications to conform to the performance characteristics of the database. It stinks of a lack of understanding of how code… like DBAs aren’t aware that anything other than the database even exists. Sometimes (actually, almost always) there are good reasons…

Post: Commodity Hardware, Commodity Software and Commodity People

… head not to mention understanding all ups and downs of database management system. This sounds nice in theory but there are… because of very small database size. Now, for a smaller projects even if you happened to have smart MySQL guy you might… BigTable or FaceBook API, I know few other companies have their special “database” interfaces which run on top of MySQL or other databases. Other…

Comment: When should you store serialized objects in the database?

…, if Facebook had to start over and knew what they know now, do you think they would have used MySQL again? Based… replication? streaming replication: This streaming replication allows one or more databases to be replicated from a master server. It’s an… ability. This allows a secondary database to be designated as a hot standby should the primary database fail. Another big new feature…

Post: Scaling: Consider both Size and Load

…Reduced efficiency of CPU cache, Mutex contention and database lock contention all come here. Some of… of versions in system. Applications such as Facebook, Flickr or Twitter have a very clear … scalability. The Replication is perfect example in MySQL world. Slave executes replication stream in single…