by Vadim Tkachenko | Aug 8, 2009 | Benchmarks, Hardware and Storage
Inspired by NILFS: A File System to Make SSDs Scream and some customers asked if they should try NILFS on their SSD disks I decided to run quick tests to see how it performs. Installation on our Ubuntu 8.10 with SSD disk (Intel X25-E, 32GB) was pretty plain and I got...
by Vadim Tkachenko | Aug 7, 2009 | Benchmarks, Hardware and Storage
So during preparation of XtraDB template for EC2 I wanted to understand what IO characteristics we can expect from EBS volume ( I am speaking about single volume, not RAID as in my previous post). Yasufumi did some benchmarks and pointed me on interesting behavior,...
by Vadim Tkachenko | Aug 6, 2009 | Benchmarks
During preparation of Percona-XtraDB template to run in RightScale environment, I noticed that IO performance on EBS volume in EC2 cloud is not quite perfect. So I have spent some time benchmarking volumes. Interesting part with EBS volumes is that you see it as...
by Martin.FarachColton | Aug 6, 2009 | MySQL
Tokutek® announces the release the release of the TokuDB storage engine for MySQL®, version 2.1.0. This release offers the following improvements over our previous release: Faster indexing of sequential keys. Faster bulk loads on tables with auto-increment...
by Morgan Tocker | Aug 6, 2009 | Insight for Developers
Note: This blog post is part 1 of 4 on building our training workshop. The Percona training workshop will not cover sharding. If you follow our blog, you’ll notice we don’t talk much about the subject; in some cases it makes sense, but in many we’ve...
by Morgan Tocker | Aug 4, 2009 | Percona Events
Today, we are announcing that we’re ready to offer training for InnoDB and XtraDB in Santa Clara and San Francisco. The course was developed by Morgan Tocker with input from all our team – and covers a lot of the performance problems we run through in...
by Zardosht.Kasheff | Aug 3, 2009 | MySQL
In our last post, Bradley described how auto increment works in TokuDB. In this post, I explain one of our implementation’s big benefits, the ability to combine better primary keys with clustered primary keys. In working with customers, the following scenario...
by Vadim Tkachenko | Aug 3, 2009 | Percona Software
If you do not follow MariaDB development, I want to head up XtraDB has been commited to MariaDB server and will be included in binary releases of MariaDB (scheduled on end of August – September) as replacement of InnoDB storage engine. MariaDB will also include...
by Vadim Tkachenko | Jul 31, 2009 | Percona Software
The feature I announced some time ago https://www.percona.com/blog/2009/06/08/impossible-possible-moving-innodb-tables-between-servers/ is now available in our latest releases of XtraBackup 0.8.1 and XtraDB-6. Now I am going to show how to use it (the video will be...
by kuszmaul | Jul 29, 2009 | MySQL
In this post I’m going to talk about how TokuDB’s implementation of auto increment works, and contrast it to the behavior of MyISAM and InnoDB. We feel that the TokuDB behavior is easier to understand, more standard-compliant and offers higher performance...
by Aleksandr Kuzminsky | Jul 28, 2009 | Percona Software
Dear Community, The build 17 of MySQL with Percona patches is available. New features in the release: MySQL-5.0.83 is taken as the basis The new patch innodb_use_sys_malloc.patch is added The new patch innodb_split_buf_pool_mutex.patch is added This patch splits the...
by Ryan Lowe | Jul 24, 2009 | Insight for Developers
Have you ever wondered how optimized your Memcached installation is? There is a common misconception that one doesn’t have to think too deeply about Memcached performance, but that is not true. If your setup is inefficient, you could: Burn Memory Waste Network...
by Morgan Tocker | Jul 21, 2009 | Insight for DBAs
We’ve written about replication slaves lagging behind masters before, but one of the other side effects of the binary log being serialized, is that it also limits the effectiveness of using it for incremental backup. Let me make up some numbers for the...
by Aleksandr Kuzminsky | Jul 20, 2009 | Percona Software
Dear community, Today we are pleased to announce release 6 of XtraDB – the result of 2 months hard work. The release includes following new features: MySQL 5.1.36 as a base release New patch innodb_recovery_patches.patch 1 innodb_recovery_patches.patch...
by Vadim Tkachenko | Jul 19, 2009 | Insight for DBAs
In your recovery practice we often face the problem when data lost by execution DROP TABLE or DROP DATABASE statement. In this case even our InnoDB Data Recovery tool can’t help, as table / directory with files was deleted (if you have innodb-file-per-table)....
by Peter Zaitsev | Jul 18, 2009 | Insight for DBAs
Over last couple of years I have ran into random MySQL crashes in production when multiple key caches were used. Unfortunately this never was frequent or critical enough issue so I could spend time creating repeatable test case and search of the bug in the MySQL...
by Peter Zaitsev | Jul 18, 2009 | Percona Events
Talks are great. I however very much like discussion and opinion share atmosphere of the Birds of a Feather sessions so we host/co-host number of BOFs at the comming OSCON conference. Future of MySQL Forks, Branches and Patches I guess is the topic a lot of us are...
by Peter Zaitsev | Jul 16, 2009 | Percona Events
The OSCON 2009 is taking place next week and we have bunch of talks we’re presenting. I am presenting Full Text Search with Sphinx, MySQL Community Patches and Extensions and Goal Driven Performance Optimization. Vadim and Ryan have a talk XTraDB OpenSource...
by Vadim Tkachenko | Jul 14, 2009 | Benchmarks
There was small delay in our releases, part of this time we worked on features I mentioned before: – Moving InnoDB tables between servers – Improve InnoDB recovery time and rest time we played with performance trying to align XtraDB performance with MySQL...
by Ryan Lowe | Jul 13, 2009 | Percona Events
The Percona team has kept on expanding. We are very pleased to announce the addition of Morgan Tocker and Matt Yonkovit! Morgan has been with us for a while. Before joining Percona, Morgan worked as a Technical Instructor for MySQL (and then Sun Microsystems) in...