June 19, 2013

Comment: A (prototype) lower impact slow query log

Doesn’t MySQL 5.6 log queries in its performance schema? Something called Statement digest? If that is not what you are looking for, you can use Karlsson’s audit plugin http://karlssonondatabases.blogspot.co.uk/2010/03/more-fun-with-mysql-audit-plugin-api.html This may…

Post: Is VoltDB really as scalable as they claim?

… plans to provide services for VoltDB. We’re focused on MySQL software and services. I am not a VoltDB expert. I… servers, and VoltDB should provide even higher performance on faster machines. I did not audit or repeat Tim’s benchmarks in the… 8 percent) to avoid unphysical parameters as a result of performing a regression against the full dataset. These are rather standard…

Post: Read/Write Splitting with PHP Webinar Questions Followup

… production.  Even the official manual page for MySQL Proxy 0.8.2 still says: “MySQL Proxy is currently an Alpha release and… depends how you store $_SESSION.  I have audited sites that stored $_SESSION in the MySQL database for persistence, but when we measured… going to be a high performance cost? A: Connecting to a MySQL database isn’t a great performance cost, compared to the queries…

Post: PROCEDURE ANALYSE

… done by bunch of SQL queries while really MySQL has a native feature to perform this task – PROCEDURE ANALYSE Here is sample…’) NOT NULL Here is how this table was originally defined: mysql> desc node; +———-+——————+——+—–+———+—————-+ | Field | Type | Null | Key | Default | Extra | +———-+——————+——+—–+———+—————-+ | nid | int… do an ALTER TABLE it provides very helpful information for performing schema audit.

Comment: Announcing PAM authentication plugin for MySQL (early access release)

Alleluia! Between the audit plug-in interface, and your PAM authentication plug-in (hopefully … set with frustrated envy, and enjoy the rocking performance and flexibility of the MySQL platform. [Please no flaming – PostgreSQL rocks in its…

Comment: White Paper: Preventing MySQL Emergencies

….5, 3.6): openark kit’s oak-prepare-shutdown will perform both actions: reducing the dirty pages percent until no improvement…. check configuration before shutdown (3.8): mycheckpoint (monitoring tool for MySQL) records all status variables, as well as all server variables… openark kit’s oak-security-audit. Basically, the tool provides you with a report and recommendations on your MySQL‘s security flaws.