June 20, 2013

Post: Choosing a MySQL HA Solution - Post-Webinar Q&A

switching infrastructure). In essence, you’re looking for two of everything. Q: Is it possible to replicate only some tables from master toto only replicate a specific database, a set of databases, or specific tables; you can also configure the slave to

Comment: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 1

to simply switch from regular MySQL replication to using replication using GTIDs 1. …not possible to mix non-transactional tables (such as MYISAM) with innodb tables within…databases. Also, if BINLOG_FORMAT is not consistent on master/slave db. 3. CREATE TABLE …. SELECT – It is not supported to

Post: A recovery trivia or how to recover from a lost ibdata1 file

Innodb tables Once the Innodb tablespace id is minus one of a customer table alter the table definition from MyISAM to Innodbswitching to MyISAM” mysql -u root -e “alter table recover.$CURRENT_TABLENAME engine=MyISAM

Post: InnoDB Full-text Search in MySQL 5.6: Part 2, The Queries!

innodb_ft_list2′; Query OK, 0 rows affected (0.00 sec) mysql: INSERT INTO innodb_ft_list2 SELECT * FROM innodb_myisamto be present only once in the database, and I used double quotes to

Post: Should you move from MyISAM to Innodb ?

… also important to adjust processes as required to work with Innodb. For example binary copy of one of the databases from the Slave to the dev… would not switch table to MyISAM because it gives 5% performance improvement but I can perfectly use MyISAM (or Archive) for logging. Innodb Needs Tuning…

Post: Webinar: MyISAM to InnoDB migration

… free Percona webinar about migrating your MyISAM databases to InnoDB. Save the date: Dec 1, 2010 …from MyISAM to InnoDB in the upcoming MySQL 5.5 release, we expect that a lot of users will be wanting to learn more about the benefits of switching to InnoDB, as well as topics…

Post: MySQL Backup tools used by Percona Remote DBA for MySQL

switchto mysqldump Consistent backups between myisam and innodb tables. Global read lock only held until myisamDATABASE DEFAULT CHARACTER SET to the schema file, putting in the current charset mysqldump … -d -R –skip-triggers, out to

Comment: MySQL Northern European Customer Conference

…Long switch time even for Innodb tables – on large system tuned for performance filesystem recovery from journal and Innodb… – Pretty much unusable for MyISAM tables which may take infinity to check and repair – Waste …had time to script it – to use DRBD for binary logs only rather than for database. …

Comment: Should you move from MyISAM to Innodb ?

…using InnoDB? We use an internal process based on mysqldump and innodb file-per table. Our “Database File… are < 0.5M rows. Some applications use MyISAM with partitioned tables. Since every machine …from one of the slaves before switching it back to MASTER. Slaves are simply rebuilt and added back to

Post: When would you use SAN with MySQL ?

Innodb or MyISAM tables are used. There is read-ahead functionality but usually it is not able toto minimize recovery time significantly by switching to that backup – no data copy will be required which can be significant concern to 1TB+ databases