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Monthly Archives: April 2015

Percona Live MySQL & Expo Conference: GTID Replication slides

22 Wednesday Apr 2015

Posted by Moll in High Availability (HA), MySQL, MySQL Replication

≈ 2 Comments

Tags

Abdel-Mawla Gharieb, MySQL, MySQL Conference & Expo

If you couldn’t have the chance to attend my session “GTID Replication – Implementation and Troubleshooting” at Percona Live MySQL & Expo Conference in Santa Clara April 13-16, 2015, the slides of my presentation are now available.
The talk was mainly about the new feature in MySQL 5.6 “GTID”, what is the concept, benefits, GTID replication implementation and troubleshooting and how to perform the migration from classic replication to GTID replication in both MySQL 5.6 and 5.7.
If you have any question, feel free to contact me 🙂

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Spider for MySQL – Overview

03 Friday Apr 2015

Posted by Moll in MySQL, Sharding

≈ 3 Comments

Tags

Abdel-Mawla Gharieb, MySQL, Sharding, Spider for MyQL

Having big tables is one of the expected database problems, especially, for the fast growing database systems. In fact, big tables itself is not a problem but with big tables, the following problems are strongly expected:

  1. Retrieving data from big tables is so slow.
  2. It is a very hard job to maintain those tables like adding/removing an index, adding/dropping/modifying a column, … etc.
  3. System resources, especially, the IO system might not be able to handle such huge traffic of writes and reads.
  4. When it comes to the reporting queries, it might be a horrible nightmare!
  5. Always cause disk space problem.

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