Unfortunately, the issue I discussed in ADynamicSitePeril is notjust a theoretical problem. And it's my old friend MSNbot , the MSN Search web crawler,that's responsible.

It's been known for some time that MSNbot is very aggressive withsyndication feeds(for example, see here ). The official explanation is that they want to have a really up to date search index, andto get breaking news they have to poll RSS feeds frequently.

Well, bully for them. However, it's

Programs written in garbage collected languages like Python aren'timmune to memory leaks (except in a picky technical sense), justvastly less prone to them. Unfortunately, this rarity can leave youstruggling with the problem should it come up.

In languages like C, memory leaks generally happen because you'veforgotten about a piece of dynamically allocated memory. In Python,it's the opposite problem: you get memory leaks when you don't forget about objects, when your program holds references to objectsthat

WanderingThoughts , this blog, is built on top of DWiki , my sprawlingwiki-oid program. DWiki is layered on top of a normal Unix directoryhierarchy and does things by having different ways of looking at it(called 'views' in DWiki terminology); all of DWiki 's support forblogs is implemented with general features that can be used on anydirectory. The only difference between WanderingThoughts and say the DWiki help area is that WanderingThoughts is set up todefault to the 'blog' view and has some