Comment: New MySQL Community Release Policies published
… I read your columns 3 or 4 times so far, and all …microsecond resolution for slow queries is in 5.1 already and should come out soon. …wrote on the speed with which MySQL accepts patches. But,...
View ArticlePost: Where does HandlerSocket really save you time?
… months back had some really good profile results for libmysql versus libhsclient (starting at slide 15). Somebody in the audience at… parsing) HandlerSocket (5.1.56) samples%symbol name...
View ArticleComment: Database problems in MySQL/PHP Applications
…will be saved and used. > 4. Not using relations This …versus the value added by having the benefit available. Making a blanket statement that using relations is bad is unwise. > 5. The n+1...
View ArticlePost: Distributed set processing performance analysis with ICE 3.5.2pl1 at 20...
… I compared the performance of 20 m1.large machines cold, versus hot. I did not record the cold results on the… too. I tested a 20 node m1.large system at 1,2,4,8,16 and 32 threads of concurrency. The...
View ArticlePost: Improved InnoDB fast index creation
…also inefficient. Percona Server as of versions 5.1.56 and 5.5.11 allows utilizing fast index creation ….00 sec) mysql> ALTER TABLE t MODIFY v VARCHAR(4); Query OK, 4194304 rows affected (1 min...
View ArticlePost: InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!
… Search in MySQL 5.6: Part 2, The Queries![/caption] This is part 2 in a 3 part series. In part 1, we… using MySQL 5.5.30 and MySQL 5.6.10 with no configuration tuning other than to set...
View ArticlePost: Multi Range Read (MRR) in MySQL 5.6 and MariaDB 5.5
…MySQL 5.6, when the workload fits entirely in memory, because there is no extra cost for memory access at random locations versus…MySQL 5.5 MySQL 5.6 MySQL 5.6 w/ read_rnd_bufer_size=4M MariaDB 5.5...
View ArticlePost: MySQL 5.6 vs MySQL 5.5 and the Star Schema Benchmark
… tested three configurations: Config 1: Default config for MySQL 5.5 and MySQL 5.6, no tuning at all Config 2: MySQL 5.6 with all default settings…). 12GB memory 4 disk 7200RPM RAID 10 array with...
View ArticlePost: Death match! EBS versus SSD price, performance, and QoS
….4 43% 1 72040.6 sda3 25.5 2.7 1.6 3.8 0.2 1.5 47% 1 78041.7 sda3 25.5 1.2 0.7 4.5 0.1 0.4 46% 0 84042.8 sda3 24.4 0.7 0.5 4….1 4.5 0.1 0.0 4.6 4% 0 12.1 sdj1 0.5 0.1 4.4 0.0 0.0 1.8 3% 0 13.1 sdj1...
View ArticlePost: Virident vCache vs. FlashCache: Part 2
… device. EXT4 is the filesystem, and CentOS 6.4 the operating system, although the pre-release modules … was sysbench 0.5 and the version of MySQL used was Percona Server 5.5.30-rel30.1-465. Each test...
View ArticlePost: Schema changes - what's new in MySQL 5.6?
… InnoDB version (aka InnoDB plugin) was introduced for MySQL 5.1. Since then, you can create and drop indexes …of ALTER TABLE, CREATE INDEX, DROP INDEX in progress 4 rows in set (0.01 sec) To enable…...
View ArticlePost: InnoDB Full-text Search in MySQL 5.6: Part 3, Performance
… search features in MySQL 5.6. To catch up on the previous parts, see part 1 or part 2 …and we are comparing MyISAM FTS in MySQL 5.5.30 versus InnoDB FTS in MySQL 5.6.10. For reference, although this...
View ArticleWhere 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...
View ArticleWhere 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...
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Schema changes – what’s new in MySQL 5.6?
Among many of the improvements you can enjoy in MySQL 5.6, there is one that addresses a huge operational problem that most DBAs and System Administrators encounter in their life: schema changes.While...
View ArticleWhere 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...
View ArticleClik here to view.
Schema changes – what’s new in MySQL 5.6?
Among many of the improvements you can enjoy in MySQL 5.6, there is one that addresses a huge operational problem that most DBAs and System Administrators encounter in their life: schema changes.While...
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