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InnoDB crash recovery speed in MySQL 5.6
It has been a while since I have looked at InnoDB crash recovery. A lot has change in the last few years – we have serious crash recovery performance improvements in MySQL 5.5 and MySQL 5.6, we have...
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Managing data using open source technologies? Learn what’s hot in 2015!
Whether you’re looking at the overall MySQL ecosystem or the all-data management landscape, the choice of technologies has never been larger than it is in 2015.Having so many options is great but it...
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The cost of not properly managing your databases
Every day hundreds of millions of dollars are wasted by allowing improperly tuned or misconfigured systems, misunderstood infrastructure, and inefficient IT operations to live and thrive in data...
View ArticleUpdate on the InnoDB double-write buffer and EXT4 transactions
In a post, written a few months ago, I found that using EXT4 transactions with the “data=journal” mount option, improves the write performance significantly, by 55%, without putting data at risk. Many...
View ArticleUsing Cgroups to Limit MySQL and MongoDB memory usage
Quite often, especially for benchmarks, I am trying to limit available memory for a database server (usually for MySQL, but recently for MongoDB also). This is usually needed to test database...
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Testing TokuDB’s Group Commit Algorithm Improvement
The MySQL 5.6 Release has introduced some changes to how two phase commit works and is managed. In particular, the commit phase of transactions to the binary log is now serialized and this behavior is...
View ArticleWhy Percona Acquired Tokutek: by Peter Zaitsev
It is my pleasure to announce that Percona has acquired Tokutek and will take over development and support for TokuDB® and TokuMX™ as well as the revolutionary Fractal Tree® indexing technology that...
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InnoDB vs TokuDB in LinkBench benchmark
Previously I tested Tokutek’s Fractal Trees (TokuMX & TokuMXse) as MongoDB storage engines – today let’s look into the MySQL area.I am going to use modified LinkBench in a heavy IO-load.I compared...
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The language of compression
Leif Walsh will talk about the language of compression at Percona Live AmsterdamStorage. Everyone needs it. Whether your data is in MySQL, a NoSQL, or somewhere in the cloud, with ever-growing data...
View ArticleOptimizing PXC Xtrabackup State Snapshot Transfer
State Snapshot Transfer (SST) at a glancePXC uses a protocol called State Snapshot Transfer to provision a node joining an existing cluster with all the data it needs to synchronize. This is analogous...
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