Tag Archives: compression

WordPress WP-Super-Cache vs Quick Cache

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Joomla, Drupal and WordPress are the world’s most popular blogging platforms. Right now I’m staring at the WordPress “Add New Post” page, because this blog is built on WordPress. WordPress is great. And incredibly slow.

Here’s One I made Earlier

This post appeared quickly in your browser ? Great. You have been served a page that was built several hours ago. Without the pre-fabricataion, you would have had a 5 or 10 second wait while WordPress created the page from scratch. Who waits 10 seconds for a page to load these days ? Nobody, that’s who. This post compares two WordPress caching plugins and finds that WP-Super-Cache is the best because of its ability to cache compressed pages. Continue reading →

Large files / small backups on Debian LAMP

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Backups on a LAMP server were much smaller than expected, and the cause was excessively large log files. This post explains the apparent paradox and the steps taken to trace and fix the problem.

The server in question runs the usual set of grandfather-father-son backups. Before each backup, the software prints the expected size of the backup into a log file. On other servers the estimate is usually bang-on. On this server, the backup turned out to be about 12 times smaller than the estimate. Not a problem in itself, but puzzling and indicative of something untoward on the system. Continue reading →