Comment: MySQL 5.6 - InnoDB Memcached Plugin as a caching layer
… any information how memcached cache time expiry being apply into MySQL 5.6 memcached. e.g. if i want to store a cache… cache life time as 12hours. Can this apply to the MySQL innodb memcache? i.e....
View ArticlePost: MySQL Backup tools used by Percona Remote DBA for MySQL
… these major components: Percona XtraBackup for MySQL for binary backups mydumper for logical backups mysqlbinlog 5.6 Amazon S3 monitoring for all the… as painless as possible. Compressed mydumper...
View ArticlePost: Virident vCache vs. FlashCache: Part 2
… storage device. EXT4 is the filesystem, and CentOS 6.4 the operating system, although the pre-release … used was sysbench 0.5 and the version of MySQL used was Percona Server 5.5.30-rel30.1-465. …,...
View ArticlePost: Index Condition Pushdown in MySQL 5.6 and MariaDB 5.5 and its...
… preparation for the talk comparing the optimizer enhancements in MySQL 5.6 and MariaDB 5.5. We are taking a look at and benchmarking optimizer… enhancement Index Condition Pushdown (ICP). Its...
View ArticlePost: Mystery Performance Variance with MySQL Restarts
Based on a lot of surprising comments about my MySQL 5.5 vs 5.6 performance post I decided to perform deeper investigation to see … confirm there is a significant performance difference between MySQL...
View ArticlePost: Join Optimizations in MySQL 5.6 and MariaDB 5.5
… time for MySQL 5.6 becomes approximately equal to that of MySQL 5.5. MariaDB 5.5 is quite slow as compared to both MySQL 5.5 and MySQL 5.6. For MariaDB 5.5 the… status counters. Counter Name MySQL...
View ArticlePost: MySQL 5.5 and MySQL 5.6 default variable values differences
As the part of analyzing surprising MySQL 5.5 vs MySQL 5.6 performance results I've been looking at changes to default .../msb_5_5_30/data/mysq | /mnt/data/sandboxes/msb_5_6_10/data/mysq | |...
View ArticlePost: pt-online-schema-change and binlog_format
…6.4, 512M RAM, Macbook Pro host) 1 VM was for sysbench and pt-osc 1 master, 1 slave (Percona Server 5.5… db with four, 1 million row tables Restart MySQL to ensure an empty buffer pool (no LRU…from...
View ArticlePost: TPC-H Run on MySQL 5.1 and 6.0
… here So let us first take a look at MySQL 5.1.23 vs 6.0.4 results for 10GB data set which “fits… MySQL 5.1 time so if it is less than 1 MySQL 6.0 is faster if more than 1 slower: Query MySQL 5.0.23...
View ArticlePost: Schema Design in MongoDB vs Schema Design in MySQL
… keys for clarity – MongoDB supports indexes but not foreign keys): mysql> select * from people; +—-+————+ | id | name | +—-+————+ | 1 | Stephane | | 2 | John | | 3… | +—-+————+ mysql> select *...
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InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!
InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!This is part 2 in a 3 part series. In part 1, we took a quick look at some initial configuration of InnoDB full-text search and discovered a...
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More on MySQL transaction descriptors optimization
Since my first post on MySQL transaction descriptors optimization introduced in Percona Server 5.5.30-30.2 and a followup by Dimitri Kravchuk, we have received a large number of questions on why the...
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MySQL and Percona Server in LinkBench benchmark
Around month ago Facebook has announced the Linkbench benchmark that models the social graph OLTP workload. Sources, along with a very nice description of how to setup and run this benchmark, can be...
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The small improvements of MySQL 5.6: Duplicate Index Detection
Here at the MySQL Performance Blog, we’ve been discussing the several new features that MySQL 5.6 brought: GTID-based replication, InnoDB Fulltext, Memcached integration, a more complete performance...
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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 ArticleInnoDB Full-text Search in MySQL 5.6: Part 3, Performance
This is part 3 of a 3 part series covering the new InnoDB full-text search features in MySQL 5.6. To catch up on the previous parts, see part 1 or part 2Some of you may recall a few months ago that I...
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Considering TokuDB as an engine for timeseries data
I am working on a customer’s system where the requirement is to store a lot of timeseries data from different sensors.For performance reasons we are going to use SSD, and therefore there is a list of...
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Running MySQL 5.6 on Amazon RDS: Webinar followup questions answered
Thanks to everyone who attended last week’s webinar, Running MySQL 5.6 on Amazon RDS.” If you weren’t able to attend, the recording and slides are available for viewing/download (or, if you were able...
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TokuDB vs InnoDB in timeseries INSERT benchmark
This post is a continuation of my research of TokuDB’s storage engine to understand if it is suitable for timeseries workloads.While inserting LOAD DATA INFILE into an empty table shows great results...
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Tuning MySQL 5.6 configuration – Webinar followup
We had a wonderful time during the Sept. 25 webinar, “MySQL 5.6 Configuration Optimization,” and I got a lot more questions than I could answer during the hour. So here is a followup with answers to...
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