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Percona Server 5.1.51-rel11.5

 | October 28, 2010 |  Posted In: MySQL, Percona Software

Percona Community, Percona Server version 5.1.51-rel11.5 is now available for download. The main purpose of this release is to update the current Percona stable release to the latest version of MySQL 5.1. Functionality Added or Changed  Percona Server 5.1.51-rel11.5 is now based on MySQL 5.1.51.  New Features Added: None  Other Changes: None Bugs Fixed  Bug […]

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Impact of the sort buffer size in MySQL

 | October 25, 2010 |  Posted In: Benchmarks, MySQL

The parameter sort_buffer_size is one the MySQL parameters that is far from obvious to adjust. It is a per session buffer that is allocated every time it is needed. The problem with the sort buffer comes from the way Linux allocates memory. Monty Taylor (here) have described the underlying issue in detail, but basically above […]

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MySQL Limitations Part 2: The Binary Log

 | October 23, 2010 |  Posted In: Insight for Developers, MySQL

This is the second in a series on what’s seriously limiting MySQL in certain circumstances (links: part 1). In the first part, I wrote about single-threaded replication. Upstream from the replicas is the primary, which enables replication by writing a so-called “binary log” of events that modify data in the server. The binary log is […]

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