June 20, 2013

Post: MySQL-Memcached or NOSQL Tokyo Tyrant - part 3

a database great, but if there is a better solution we want to suggest it.  It’s our goal toreplicationlimit and fell over dead.  It’s interesting to see the number of transactions that occur with aa comma delimited string to represent the row.   Mysql was running with 256M allocated to

Page: Consulting for MySQL

to avoid downtime. Customized Training for MySQL Want your developers to learn MySQL best practices ? How to work with large data sets in MySQL or how to

Post: Announcing Drizzle Day, Fri 13th April 2012

replication techniques (such as crash safe replication, multi-sourced replication and being able to consume the replication stream in your application), AlsoSQL (a HTTP interface to a relational database

Post: Percona's Commitments to MySQL Users

to be a services company, pure and simple. The value we provide to customers is our depth of knowledge about how toto provide an open-source database server that delivers improved performance and functionality toMySQL and open-source software, including Oracle, and look forward to a

Post: Filling the tmp partition with persistent connections

a typical master-slave replication with ROW based binary log file. The application connects to the database using persistent connection technique toa big UPDATE, INSERT or LOAD DATA INFILE MySQL send the rows to the Binary Log Cache before writing it to

Post: Quickly finding unused indexes (and estimating their size)

a customer recently who needed to reduce their database size on disk quickly without aa master, or just a slave somewhere (just be careful not to break replication!). mysqlto see my indexes: mysql> select * from all_indexes limit

Post: Using pt-table-checksum with Percona XtraDB Cluster

a traditional replication setup because cluster nodes are not like traditional replicas.  In this post I demonstrate how tomysqldatabase and table.  So far there are no differences, but we’ll run it again with a difference on one node to

Post: Estimating Undo Space needed for LVM Snapshot

…good understanding on how much space…a lot of scattered modifications. Now back to our question of space requirements for MySQL…space. Second, limit batch activities -…to setup replication for large database with little no – connect USB hard drive place LVM snapshot on it and you can copy your database

Post: dbqp and Xtrabackup testing

a constant in the MySQL world that available QA tools often leave something to be desired.  The randgen is a literal wonder-tool for databaselimitations. Enter the flexible, adaptable, and expressive answer: dbqp. One of my demos at the dev meeting was showing how

Post: Rendundant Array of Inexpensive Servers

… this is good because recovering database servers is not fully automated …particular if you use MySQL Replication for HA) the switch to the new server …yet another reasons to avoid the “server zoo” and have limited set of…to spend a lot of money on the server which will be where sitting doing idle. How