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More Projects Than Ever Submitted to Become a Part of The Apache Software Foundation The success and reputation of The Apache Software Foundation…
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Today was another example of where a correct SQL_MODE saved customer data from being corrupted. By default, MySQL does not enforce data integrity.…
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HBase on EC2 using EBS volumes : Lessons Learned: There lies the answer! We have a requirement of recreating the cluster in case we accidentally…
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I've been working on the OSLC Core specification for about 1.5 years now as workgroup lead, and OSLC fits squarely under the "open web…
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Fight My Monster was in TechCrunch today, which deserves a big hooray and thank you!!! We're working hard and hope we can fulfill expectations.…
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Using Redis to Control Recurring Sets of Tasks: Alex Rockwell: Problem: Create an application to check the availability of a large number of URLs.…
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An excerpt from article on mysql for big data published in Dow Jones Venture Wire by Scott Denne.There is one possible solution to the problem that…
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I would like to remove the 'high cardinality dimension' feature in mondrian 4.0. To specify that a dimension is high-cardinality, you set the…
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Permalink: http://mysql-0v34c10ck.blogspot.com/2011/06/how-to-compare-record-differences-of.html The CHECKSUM TABLE result sets of two similar…
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Really excited to launch a new OpenGov project in Philadelphia - Phind It For Me. The service is built on PHLAPI and the point data sets it houses.…
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Yesterday, Tokutek was invited (thanks to David Hughson, Vice-Consul of the British Consulate) to the Massachusetts State House for a forum on…
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MySQL Replication is something that is used by many, many MySQL users, and here at Recorded Future we are no exception. In our case, the slaves are…
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While Oracle deserves some praise for its donation of OpenOffice.org code to the Apache Foundation, it is disappointing again to see a legitimate…
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In our last customer project we had around 600 Gbyte of data in a MySQL database. Because this database consumed a significant amount of our disk…
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Dolphin shirts available at an event near you! The New MySQL Dolphin shirts have arrived and you can get yours at upcoming events where the MySQL…
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One of item I always look at SHOW ENGINE INNODB STATUS to see if there are any transactions spending very long time in ACTIVE state. In the perfect…
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Social media is buzzing with the news and views of bloggers. From the database side of this glorious media, we have picked out some of the gems for…
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This is the fourth in my series of Web Integration Patterns. Check out the intro at this URL…
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The PHP replication and load balancing plugin has a configuration setting to run all transactions on the master. But how to detect the start of a…
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Paper: A Study of Practical Deduplication: Todd Hoff puts together some good references on data deduplication: With BigData comes BigStorage costs.…
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Submitted for your scaling pleasure: Twitter indexes an average of 2,200 TPS (peek is 4x that) while serving 18,000 QPS (1.6B queries per day).…
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Overview We know that having the chance to split a table in different and smaller chunk helps.It helps because performance searches, insert, index…
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Hadoop and Appliances: Curt Monash: But it turns out technology isn't the only reason to like appliances. Sometimes, internal politics hold sway.…
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Over the last few years I have worked with a few different companies and their replication databases. Your replication choice is yours and what your…
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A few day ago, a customer came to Percona needing to recover data. Basically, while doing a transfer from one SAN to another, something went wrong…
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Cassandra 0.8.0 was announced today and it brings quite a few exciting new features: Cassandra Query Language Eric Evans: How would you feel about…
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Overview We know that having the chance to split a table in different and smaller chunk helps. It helps because performance searches, insert,…
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InnoDB uses at least two lists to manage pages in the buffer pool. The LRU is used for pages from compressed and uncompressed tables. If a table is…
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There are two sections for rows in the page format for InnoDB compressed tables. The compressed section has one or more rows and must be…
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My team has been evaluating the performance of InnoDB compression. One of the workloads is to reload all tables of the database using concurrent…
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Mythbusters: How to configure InnoDB buffer poll on large MySQL servers Yesterday I wrote about the dangers in using top on systems with 100+ GB of…
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Permalink: http://mysql-0v34c10ck.blogspot.com/2011/06/how-to-compare-record-differences-of_05.html The rationale behind comparing tables versus…
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Rate Limiting With Redis: Rate limiting can be an effective way of conserving resources and preventing automated or nefarious activities on your…
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Dhruba Borthakur started a series of posts - part 1 and part 2 - describing both the process that lead Facebook to using HBase and Hadoop, but also…
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Martin Schneider (Basho) trying to answer the question in the title: Riak can be a data store to a purpose-built enterprise app; a caching layer…
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Google BigTable, MapReduce, MegaStore vs. Hadoop, MongoDB: Dhanji R. Prasanna leaving Google: Here is something you've may have heard but never…
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The Apache Software Foundation (ASF)'s Travel Assistance Committee (TAC) is now accepting applications for ApacheCon North America 2011, 7-11…
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Robert Newson just announced a new version of Apache CouchDB, 1.1.0, featuring native SSL, HTTP range requests, and a other features and…
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Today the German speaking MySQL User Group (DMySQLAG) was officially founded in Berlin. The association advocates: the information of the use, the…
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Lately I've been reading more cases were different people have started to realize the limitations of the NoSQL promise to database scalability. Note…
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