Imagine the following scenario:

• Parent process opens listening socket, but will never accept() on it. Opening in parent so future forked child processes will inherit the fd, and because it's a low port (perhaps) and we want to open it before we drop root.
• Child processes (one per CPU) inherit listening fd, but they're event-based, handling many ( Read more... )

# apt-get install oracle-xe-client oracle-xe-universalReading Package Lists... Done ( Read more... )

VMWare image with all the MogileFS fun rolled up into a ball for you ( Read more... )

If you're not on the MogileFS mailing list but are interested in geeking out about Mogile, asking questions, begging for features, hating on it, just getting free pizza ( Read more... )

I've had a known inefficiency in Perlbal for ages now and finally broke down and fixed it. The inefficiency is that sendfile can block, even if the destination fd is a non-blocking socket, because the source fd (a disk-based file), can force a disk read if it's not already in pagecache.

FreeBSD has a fancy sendfile that lets you request it not ( Read more... )

I've gutted the 3,500 line mogilefsd server and broke it into manageable (and much cleaner!) pieces:
749 2934 23640 mogilefsd ( Read more... )

One of the more underplanned aspects of the LiveJournal move was not having enough disks for MogileFS data. We had enough disk space, but not enough spindles ( Read more... )