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Fractal Tree Indexing Overview

We get a lot of questions about how Fractal Tree indexes work. It’s a write-optimized index with fast queries, but which write-optimized indexing structure is it? In this ~15 minute video (which uses these slides), …

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ODBMS Interview: Scaling MySQL and MariaDB to TBs

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Recently, our CTO, Martín Farach-Colton had a chance to talk about scaling MySQL and MariaDB with Roberto Zicari of ODBMS. In the article, Martin states “While I believe that one size fits most, claims that …

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Review of MySQL 5.6 Defaults Changes

James Day just posted the great summary of defaults changes in MySQL 5.6 compared to MySQL 5.5 In general there are a lot of good changes and many defaults are now computed instead of hardcoded. …

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Hidden columns of query_review_history table

You can use pt-query-digest to process a MySQL slow query log and store historical values for review trend analysis into query_review_history table. According to its official documentation you can populate many columns in that table …

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Balada Para Un Loco – A Review of the MySQL, NoSQL, and Cloud Conference

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… Ya se que estás piantao, piantao, piantao… For my lastest blog, a review of the MySQL, NoSQL and Cloud Conference, I’ll continue to use the tango metaphor. Balada para un loco (ballad for a …

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Review of the Tutorial on Algorithms for Memory Sensitive Computing at STOC

Martin Farach-Colton and I ran a Tutorial on Algorithms for Memory Sensitive Computing on May 18th at the 44th ACM Symposium on Theory of Computing (STOC) at NYU. Here is the program for the tutorial. Erik Demaine (MIT) spoke on the History of …

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Percona MySQL Conference and Expo Week in Review

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Thanks to all of those who came by our booth and to see Leif’s presentation on Read Optimization, and to my Lightning Talk on OLTP and OLAP at the Percona MySQL Conference and Expo. It was an incredible week …

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Which Linux distribution for a MySQL database server? A specific point of view.

One of the more common questions I get asked is which Linux distribution I would use for a MySQL database server. Bearing the responsibility for someone else’s success means I should advise something that is …

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Review of Virident FlashMAX MLC cards

I have been following Virident for a long time (e.g. https://www.percona.com/blog/2010/06/15/virident-tachion-new-player-on-flash-pci-e-cards-market/). They have great PCIe Flash cards based on SLC NAND. I always thought that Virident needed to come up with an MLC card, and …

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Flexviews is a working scalable database transactional memory example

http://Flexvie.ws fully implements a method for creating materialized views for MySQL data sets. The tool is for MySQL, but the methods are database agnostic. A materialized view is an analogue of software transactional memory. You …

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