Archive for the 'Mysql' Category

 

 

Jul 26 2008

Mysql Ultra-Fast Backup with LVM

Published by under Backup,Mysql

It is generally good practice to respect the two following rules when backing up databases. The backup has to be: consistent fast Consistency is easily achieved putting a read lock on all tables beforehand. However, this isn’t always applied, and WILL definitely lead to a database integrity problem when restoring.Once a lock has been set […]

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Jun 11 2007

Mysql Traffic Encryption with OpenSSL

Published by under Freeradius,Mysql

This is related to Freeradius software but can be applied to any application that needs to encrypt Mysql traffic. Freeradius is compliant to Radius protocol characteristics, which give ability to accomplish various actions, such as authenticate users. Number of caveats have been found, not related to the software but to the protocol. Joshua Hill from […]

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May 07 2007

Mysql or Postgres for Freeradius?

Published by under Freeradius,Mysql,Postgresql

We are not trying to build a full comparative of Mysql and Postgresql in this article. This subject has been discussed many times and everyone has his own opinion on this. Some directions may be given and only a few critirias will be analysed to be used with Freeradius. Criteria If we check what’s already […]

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Apr 18 2007

Mysql Failover

Published by under Mysql

Important note: Heartbeat is now obsolete and has moved to a new stack available on Clusterlabs. For simple high availability project using a virtual IP, try out keepalived that does monitoring and failover with just a simple configuration file. When a Mysql server contains critical data, it’s always a good idea to rely on more […]

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Apr 01 2007

Mysql Replication

Published by under Mysql

Having a few databases running on Mysql with tables growing to several millions of rows, backups become pretty heavy. If the server fails, it can mean several hours lost, working on setting up a new server and reimporting the data from the backup. I’m not even talking about the potential financial loss due to the […]

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