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Benchmarking IBM eXFlash™ DIMM with sysbench fileio
4 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/08/13 09:40
- mysql

MariaDB: Selective binary logs events
6 users
www.mysqlperformanceblog.com

In the first post in a series on MariaDB features we find interesting, we begin with selectively skipping replication of binlog events. This feature is available on MariaDB 5.5 and 10. By default when using MySQL’s standard replication, all events are logged in the binary log and those binary log events are replicated to all slaves (it’s possible to filter out some schema). But with this feature,
- テクノロジー
- 2014/08/01 08:00
- MySQL
- event
Prevent MySQL ERROR 1040 (00000): Too many connections
4 users
www.mysqlperformanceblog.com

All of Percona’s open source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/07/29 22:40
- mysql
Simple MySQL Master HA with mysqlnd_ms
5 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/07/15 12:41
- MySQL
- PHP
TokuDB gotchas: slow INFORMATION_SCHEMA TABLES
4 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/07/12 08:34
- development
- *あとで
Failover with the MySQL Utilities - Part 1: mysqlrpladmin
3 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/06/30 16:59
- MySQL
Do not trust vmstat IOwait numbers
4 users
www.mysqlperformanceblog.com

All of Percona’s open source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/06/04 10:02
Database Performance Blog – Percona
11 users
www.mysqlperformanceblog.com

MongoDB has a lot of possibilities for creating indexes. We have seen in previous articles some of the available index types and discussed explain() usage: Using Partial and Sparse Indexes in MongoDB MongoDB Index Types and MongoDB explain() (part 1) MongoDB: Investigate Queries with explain() and Index Usage (part 2) You can have a look at those if […] Read more Percona Monitoring and Management
- テクノロジー
- 2014/05/28 07:32
- mysql
- あとで読む
Home
3 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/01/08 09:11
Multiple column index vs multiple indexes with MySQL 5.6
13 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2014/01/04 10:09
- mysql
- performance
- db
- database
- development
- *あとで
Home
3 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/09/11 15:33
TokuDB vs InnoDB in timeseries INSERT benchmark
7 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/09/06 03:42
- tokudb
- MySQL
- InnoDB
Considering TokuDB as an engine for timeseries data
11 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/09/01 20:43
- tokudb
- mysql
- innodb
- database
- development
- *あとで
Testing Intel, Samsung & SanDisk SATA SSD
5 users
www.mysqlperformanceblog.com

While working on the service architecture for one of our projects, I considered several SATA SSD options as the possible main storage for the data. The system will be quite write intensive, so the main interest is the write performance on capacities close to full-size storage. After some research I picked several candidates (I show prices obviously actual for the date of publishing this post): Sam
- テクノロジー
- 2013/08/28 23:58
- SSD
- intel
Amazon RDS with MySQL 5.6 - Configuration Variables
4 users
www.mysqlperformanceblog.com

One longstanding complaint I have heard for the past several years, and still hear today, is that Amazon’s Relational Database Service (RDS) does not allow the configuration flexibility as running MySQL in an ec2 instance. While true, this ignores the consistent work that Amazon has done to provide access to the most important configuration variables needed to tune a MySQL instance (after all, how
- テクノロジー
- 2013/08/21 17:51
- mysql
- aws
Big Data with MySQL and Hadoop at MySQL Connect 2013
5 users
www.mysqlperformanceblog.com

I will be talking about Big Data with MySQL and Hadoop at MySQL Connect 2013 (Sept. 21-22) in San Francisco as well as at Percona University at Washington, DC (September 12, 2013). Apache Hadoop is a very popular Big Data solution and we can nowadays easily integrate it with MySQL. I will start with a brief introduction of Apache Hadoop and its components (HFDS, Map/Reduce, Hive, HBase/HCatalog, F
- テクノロジー
- 2013/08/08 22:49
- mysql
Schema Design in MongoDB vs Schema Design in MySQL
4 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/08/02 09:53
- MySQL
Percona Monitoring Plugins 1.0.4 release: Now with Galera graphs
5 users
www.mysqlperformanceblog.com

Percona is glad to announce the release of Percona Monitoring Plugins 1.0.4. The components are designed to integrate seamlessly with widely deployed solutions such as Nagios and Cacti, and are delivered in the form of templates, plugins, and scripts. Changelog: * Added Galera/MySQL Monitoring Template for Cacti * Added “Disk Read/Write Time per IO Request (ms)” graph * Added “MySQL InnoDB Buffer
- テクノロジー
- 2013/07/25 21:47
- mysql
- あとで読む
innotop 1.9.1 released
7 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/07/13 09:06
- mysql
- performance
LVM read performance during snapshots
7 users
www.mysqlperformanceblog.com

For the same customer I am exploring ZFS for backups, the twin server is using regular LVM and XFS. On this twin, I have setup mylvmbackup for a more conservative backup approach. I quickly found some odd behaviors, the backup was taking much longer than what I was expecting. It is not the first time I saw that, but here it was obvious. So I recorded some metrics, bi from vmstat and percent of cow
- テクノロジー
- 2013/07/10 13:03
- LVM
- performance
- Linux
- *あとで
Schema changes - what's new in MySQL 5.6?
6 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/07/06 01:11
- MySQL
ZFS on Linux and MySQL
4 users
www.mysqlperformanceblog.com

I am currently working with a large customer and I am involved with servers located in two data centers, one with Solaris servers and the other one with Linux servers. The Solaris side is cleverly setup using zones and ZFS and this provides a very low virtualization overhead. I learned quite a lot about these technologies while looking at this, thanks to Corey Mosher. On the Linux side, we recentl
- テクノロジー
- 2013/05/25 14:36
- zfs
- mysql
- Linux
Benchmarking Percona Server TokuDB vs InnoDB
31 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/05/08 02:24
- mysql
- TokuDB
- innodb
- performance
- DB
- *あとで
- あとでみる
Percona Monitoring Plugins 1.0.3 for MySQL now available
4 users
www.mysqlperformanceblog.com

Percona is glad to announce the release of Percona Monitoring Plugins 1.0.3 for MySQL — high-quality components to add enterprise-grade MySQL monitoring and graphing capabilities to your existing in-house, on-premises monitoring solutions. The components are designed to integrate seamlessly with widely deployed solutions such as Nagios and Cacti, and are delivered in the form of templates, plugins
- テクノロジー
- 2013/04/24 16:15
- mysql
Rotating MySQL Slow Logs Safely
21 users
www.mysqlperformanceblog.com

This blog post is part two of two. Like part one, published Wednesday, this is a cross-post from Groupon’s engineering blog. Thanks again to Kyle Oppenheim at Groupon. In my last post, I described a solution for keeping the caches of a MySQL standby server hot using MySQL slow logs with long_query_time set to 0. Here are a some lessons we learned when logging a high volume of queries to the slow l
- テクノロジー
- 2013/04/20 00:37
- mysql
- sysadmin
- log
- *あとで
Percona Playback 0.6 for MySQL now available
7 users
www.mysqlperformanceblog.com

Percona is glad to announce the release of Percona Playback 0.6 for MySQL on April 9, 2013. Downloads are available from our download site and Percona Software Repositories. Percona Playback for MySQL is a tool for replaying the load of one database server to another. Currently it can read queries from MySQL query-log and MySQL tcpdump files and run them on other MySQL server. With Percona Playbac
- テクノロジー
- 2013/04/10 07:33
- mysql
- db
- *あとで
MySQL 5.6 - InnoDB Memcached Plugin as a caching layer
15 users
www.mysqlperformanceblog.com

All of Percona’s open-source software products, in one place, to download as much or as little as you need.
- テクノロジー
- 2013/03/30 16:16
MySQL 5.6 Compatible Percona Toolkit 2.2 Released
13 users
www.mysqlperformanceblog.com

A new Percona Toolkit series has been released: Percona Toolkit 2.2 for MySQL 5.6. Several months in the making and many new features, changes, and improvements make this a great new series. It replaces the 2.1 series for which we plan to do only one more bug fix release (as 2.1.10) then retire. 2.2 is largely backward-compatible with 2.1, but some tools were changed significantly (e.g. pt-query-d
- テクノロジー
- 2013/03/26 00:26
- percona
- MySQL
SimCity outages, traffic control and Thread Pool for MySQL
5 users
www.mysqlperformanceblog.com

For this post I’m going to shamelessly exploit the litany of technical problems SimCity players encountered earlier this month and a few examples of how Thread Pool for MySQL and Percona Server for MySQL can help to prevent such incidents. Users of SimCity, a city-building and urban planning simulation video game, encountered network outages, issues with saving progress and problems connecting to
- テクノロジー
- 2013/03/19 04:35
- mysql

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