by Reeshma Mathews | Sep 13, 2016 | MySQL, Server Management
On Sep 12th, Dawid Golunski announced CVE-2016-6662 aka MySQL Remote Root Code Execution / Privilege Escalation (0 day) vulnerability. CVE-2016-6662 is reported as a critical exploit which can allow local and remote attackers to execute arbitrary code with root...
by Visakh S | Apr 1, 2016 | MySQL, Server Administration
Percona is a high performance alternative for MySQL. It uses a modified InnoDB engine called XtraDB, and uses Galera’s clustering technology to offer better performance and uptime than MySQL. Today, let’s take a look at how you can setup a Percona cluster,...
by Visakh S | Mar 30, 2016 | MySQL, Server Management
MySQL is the most popular database used in web applications. It is supported by all hosting providers, is easy to administer, and free. However, MySQL servers often face high server load due to high disk IOWait. Is it really high IOWait? MySQL load can be due to high...
by Visakh S | Mar 30, 2016 | Server Administration
In an earlier post, we discussed how Percona XtraDB Cluster (PXC) can be used to achieve database high availability. PXC uses master-master replication, which makes each server in the cluster capable of making changes to the database. In such a system, data update...
by Visakh S | Mar 29, 2016 | Incremental backup, Server Administration
A properly configured backup helps you bounce back from a server failure within minutes. However, backups impose a performance penalty and it is known to even bring down servers due to high load. So, backups should be setup such that it uses as little resources as...
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