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Understanding Multi-node writing conflict metrics in Percona XtraDB Cluster and Galera

 | November 20, 2012 |  Posted In: MySQL, XtraDB Cluster

I have addressed previously how multi-node writing causes unexpected deadlocks in PXC, at least, it is unexpected unless you know how Galera replication works.  This is a complicated topic and I personally feel like I’m only just starting to wrap my head around it. The magic of Galera replication The short of it is that Galera […]

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Scalable Databases for Startups

 | November 19, 2012 |  Posted In: Tokutek, TokuView

One of the great things about the MassTLC unConference is the spontaneity of the ideas. In the morning I ran into an old colleague whose startup was looking at switching databases and struggling with the options. Hence, “Scalable Databases for Startups” seemed like a great topic, so I proposed it, and then was off and […]

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Webinar: Looking for Painless MySQL High Availability ?

 | November 19, 2012 |  Posted In: Events and Announcements, MySQL

I have a pleasure to deliver Webinar on Industrial-Strength MySQL Applications Using Percona and Continuent together with Robert Hodges next week, Nov 28. We will talk about how you can use technologies from Percona and Continuent to build Highly Performance and Highly Available Applications utilizing MySQL Replication. I’ve been interesting in doing this Webinar for […]

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Concatenating MyISAM files

 | November 19, 2012 |  Posted In: MySQL

Recently, I found myself involved in the migration of a large read-only InnoDB database to MyISAM (eventually packed). The only issue was that for one of the table, we were talking of 5 TB of data, 23B rows. Not small… I calculated that with something like insert into MyISAM_table… select * from Innodb_table… would take […]

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Announcing Percona XtraDB Cluster 5.5.28-23.7

 | November 15, 2012 |  Posted In: MySQL

Percona is glad to announce the release of Percona XtraDB Cluster on November 15th, 2012. Binaries are available from downloads area or from our software repositories. Features: Percona XtraDB Cluster has ported Twitter’s MySQL NUMA patch. This patch implements improved NUMA support as it prevents imbalanced memory allocation across NUMA nodes. Number of binlog files […]

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FOSDEM 2013: MySQL & Friends Devroom CfP is open !

 | November 14, 2012 |  Posted In: MySQL

2013 is near… and so is the next FOSDEM edition ! This year again, MySQL will be represented by its Community. If you want to discuss with friends of MySQL it’s the place to be in February ! Like every year, FOSDEM takes place the first week-end of February in Brussels. We will again have […]

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