Mysql

DrupalEnterprise AppsMysql

How Drupal does Harakiri (aka Kill Itself)

Over the last 2 weeks I’ve had problems on three sites with the exact same problem.

The watchdog table grew FASTER than the cron job (which should delete old log entries older than e.g. 3 days) would have deleted it.

This again ended in a “device full” last night when one watchdog table became 5 gigs.

(and I had a “table full” problem on another site last week – tough 64bit MYSQL should be able to do 4TB spaces, that one was 4GB only)

Now, it’s obvious that disk full problems shouldn’t be a problem for a content management system like Drupal to take care about,

MysqlWeb Development

How To use Wordpress for Content Aggregation, 100,000 posts, MYSQL issues and Wordpress Performance Tuning revisited

Experiences and tips and tricks for using wordpress as a content aggregator – 100,000 posts are not the average weblog volume

Mysql

Shrinking Innodb Data- and Logfiles - the hardcore way

A little cleanup – after testing out MySql's ACID compliant storage engine InnoDb some months ago I had a 3 Gigabytes large IBDATA1 cluttering my server's 10k SCSI disks… compared to the 300GB desktop drives this is just 1%, but…

MysqlOracle

Mysql Insert Delayed = Oracle Insert Behaviour ?

MySQL bulk insert delayed

Mysql

WordPress Performance Hog

While testing WordPress for a news aggregation project I noticed that the slow-query log of MYSQL grew and grew… well… no wonder… brrr… temporay segments, and filesorts go to disk…

MysqlSecurity

Cracking MySQL's MD5() function within seconds

Alan points out that an unsalted MD5 hash can be cracked within seconds when he tries Cracking MySQL's MD5 function really works that fast… Interesting to find out that there seems to be a web service some where (I haven't…

Mysql

MySql backup yourself - Cpanel corrupts MySql backup

After weeks of investigation by the admin support staff we only came to the single conclusion … the mysql backup of the WHM/Cpanel backup feature simply corrupts the backup after some megabytes or a few million records… not designed for…

Mysql

Cpanel/WHM truncates MySql dump in backup progress

It seems as if I am the one and only person using cpanel/whm for the web hosting solution and at the same time have a MySQL database with 5+mio records. During the backup process cpanel simply truncates the results at…

Mysql

Why are you using MYSQL? - High Performance MySql for optimization, backup, replicaton and load balancing

Q: Why are you using MYSQL? A: Because it was there (ed: on the webspace) and free I guess that's how many zillions of people started using MYSQL – including me. ordering a 40$/yr space already includes mySql and…