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TokuDB Parallel Replication
Aug 15, 2016
jocelyn fournier
MySQL Optimizations
No comments yet

Parallel Replication with TokuDB & MariaDB 10.1

I) What is parallel replication? Parallel replication is a nice feature introduced in MariaDB 10.0, and which allows to run in parallel some queries on a slave. Basically, by default (the conservative mode), it runs in parallel transactions that couldn’t have any conflict. Note you have to enable GTID to use this feature. Starting with […]

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TokuDB Fractal Tree
Jul 27, 2016
jocelyn fournier
Case Studies, MySQL Optimizations
28 comments

TokuDB Read Free Replication : not implemented in MariaDB!

I) Why using TokuDB? I have been playing with TokuDB since 2013. Although it’s a really good storage engine, it’s sometimes full of surprises. Initially I migrated one of my customer from InnoDB to TokuDB because it was solving all their issues : their DB has been growing to more then 1TB, and they were facing […]

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MySQL Caching Techniques
Jan 12, 2016
jocelyn fournier
MySQL Optimizations
2 comments

Should you disable or enable the MySQL query cache?

I – What is a query cache? The MySQL query cache was introduced as part of version 4.0 of MySQL. Its main function is simple: it is a giant hash table that associates bulk SQL queries with a group of results. It signifies that if you add a space or change a capital letter in your SQL […]

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