Advanced Total found: 15
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November 24, 2008

Post: How Percona does a MySQL Performance Audit

Posted by Baron Schwartz |
…t know how to read these, there’s a full explanation in our…run/mysqld/mysqld.pid –skip-external-locking –port=3306 –socket=/var/db/mysql… it’s time to convert MyISAM tables to InnoDB. (But then … possible to use a patched binary, we can use MySQL Proxy, …

November 26, 2008

Post: Using Multiple Key Caches for MyISAM Scalability

Posted by peter |
I have written before – MyISAM Does Not Scale, or it does quite … held during IO duration, In MySQL 4.1 the lock is held only … and how to map tables to them. One simple solution I use – … to their size and load, but no more than the index size (assuming …

August 21, 2006

Post: Using LVM for MySQL Backup and Replication Setup

Posted by peter |
… storage engines It works with MyISAM and Innodb and BDB, It also… a bit about how LVM and snapshotting in general works. Really … Connect to MySQL and run FLUSH TABLES WITH READ LOCK Note … stopping them – you just need to use SHOW SLAVE STATUS instead …

October 29, 2007

Post: Hacking to make ALTER TABLE online for certain changes

Posted by Aurimas Mikalauskas |
…from 100G table. No matter if it’s InnoDB or MyISAM, you’d…you either. So, in a nutshell, all you have to do is … switching .frm files. When and how it works: auto_increment (removing). …0.01 sec) – 2. mysql> FLUSH TABLES WITH READ LOCK; Query OK,…

January 12, 2009

Post: Should you move from MyISAM to Innodb ?

Posted by peter |
… or partially executed statements. Table locks is no more problem, hot … team understands Innodb and knows how to handle it, or be … so common paths in the MySQL server – in particular Optimizer may … I would not switch table to MyISAM because it gives 5%…

November 20, 2009

Post: Paul McCullagh answers your questions about PBXT

Posted by Morgan Tocker |
… would I use PBXT instead of a storage engine like MyISAM, InnoDB or…Backup API which was originally implemented in MySQL 6.0. This feature is… that then have to be fixed. How to optimize the program … global LOCK_plugin lock. In init, the engine needs to do …

July 12, 2006

Post: INSERT INTO ... SELECT Performance with Innodb tables.

Posted by peter |
… unless you use some modifiers such as LOCK IN SHARE MODE … concurrency ? The reason is – replication. In MySQL before 5.1 replication … this article I should show how wait caused by this statement … going. In this case write is done to MyISAM table so …

July 1, 2007

Post: Implementing efficient counters with MySQL

Posted by peter |
… of updates per second with no problem (assuming log commit would not …best thing to do if not you would either use MyISAM table … efficiently pushing few updates back to MySQL server. If you rather … this purpose, how do you deal with Table Locks in this …

November 1, 2007

Post: Innodb Performance Optimization Basics

Posted by peter |
in MySQL 4.1 and now stable enough to use. Also check if your application can run…, especially in locking in 5.0 and even more to come with MySQL 5.1 and…changes and have no changes done to application which was written keeping MyISAM tables in mind.

May 31, 2007

Post: MySQL Slow query log in the table

Posted by peter |
… CSV with no indexes typical operations like finding how many queries … table implementation in MySQL is well though of in regards to…even if I convert table to MyISAM, disable concurrent inserts and…queries which is used if log table is locked. One thing…