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The Math of Automated Failover

There are number of people recently blogging about MySQL automated failover, based on production incident which GitHub disclosed. Here is my take on it. When we look at systems providing high availability we can identify …

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SwRI Chooses TokuDB to Tackle Machine Data for an 800M+ Record Database

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Tackling machine data on the ground to ensure successful operations for NASA in space Issues addressed: Scaling MySQL to multi-terabytes Insertion rates as InnoDB hit a performance wall Schema flexibility to handle an evolving data …

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Where does HandlerSocket really save you time?

HandlerSocket has really generated a lot of interest because of the dual promises of ease-of-use and blazing-fast performance. The performance comes from eliminating CPU consumption. Akira Higuchi’s HandlerSocket presentation from a couple of months back …

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Battery Learning still problem many years after

The performance problems caused by battery auto learning go many years back. We wrote about it, other people from MySQL Community too. The situation did not get better, at least not with Dell RAID controllers, …

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Introducing percona-patches for 5.1

Our patches for 5.0 have attracted significant interest.  You can read about SecondLife’s experience here, as well as what Flickr had to say on their blog.  The main improvements come in both performance gains and …

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Quick comparison of MyISAM, Infobright, and MonetDB

Recently I was doing a little work for a client who has MyISAM tables with many columns (the same one Peter wrote about recently). The client’s performance is suffering in part because of the number …

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Recovery beyond data restore

Quite frequently I see customers looking at MySQL recovery as on ability to restore data from backup which can be far from being enough to restore the whole system to operating state, especially for complex …

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Updated msl (microslow) patch, installation walk-through!

For a couple of months there have been no updates to our msl patch, however recently I managed some time to change this. The functionality was extended a little bit and what’s even more important …

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