Tsuna's blog

Today I was puzzled for a short while by a machine on which Python seemed to be acting up: $ python Python 2.5.2 (r252:60911, Jan 20 2010, 2...

I implemented a command-line tool to discover and read JMX attributes on Java processes to make it easier to write monitoring scripts for th...

I recently came across PMP and found it surprisingly useful to troubleshoot and analyze live production systems, despite it being so ridicu...

In an earlier post about some of the most horrible APIs in the JDK (the date related APIs), I mentioned how the Java's IO APIs were equ...

So for some reason one of my servers had 12G of memory allocated to the dentry_cache that wasn't being reclaimed. Probably a bug in th...

Oh boy, the JDK was really poorly """designed""". Today's fail is: java.lang.AssertionError: cache contro...

Have you ever wondered why, often , small open-source projects led by a handful of bearded hackers become more successful than large, entrep...

If like me, you're puzzled because the semiverbatim environment isn't respecting your spaces and newlines like verbatim does, make...

Bonjour is Apple's zeroconf protocol and iTunes (among others) uses it to broadcast the existence of its shared library, which I find a...

I recently needed to keep track of the number of pipes opened by a server and I was using lsof -nw | fgrep FIFO but this was rather slow. H...