// archives

Archive for September, 2011

InnoDB lost file pointers to partitions

Recently I went through the exercise of setting up a new replicated slave host. I proceeded through my normal list of tasks to get the new host stood up. This time, something different happened. Replication crashed. Hard. Last_SQL_Error: Could not execute Update_rows event on table core_stats.plays_hourly; Can’t find record in ‘plays_hourly’, Error_code: 1032; handler error […]

So mysql.com got hacked. What does that mean for me?

http://techie-buzz.com/tech-news/mysql-com-database-compromised-sql-injection.html http://www.pcworld.com/businesscenter/article/240609/mysqlcom_hacked_to_serve_malware.html There’s been so much drama recently about MySQL’s public web site getting hacked. It’s causing mis-directed hyperbole about the MySQL database. I’m sure vendors of closed source technologies love the bad press for MySQL, but as a user of production MySQL databases and database administrator specializing in MySQL technology, I’m hearing people ask […]

Understanding binary and relay log disk space management for MySQL

D R A F T I’m writing this as an attempt to help non-database-administrators (nDBAs) understand how to triage disk space crises on MySQL hosts. Here’s the scenario: – One of your MySQL hosts is consuming disk space rapidly. You perform investigation at the operating system level and discover that the logs, not the data […]

%d bloggers like this: