My blog was suspended by the hosting company this weekend (Saturday night @ roughly 10 p.m. CST). The techs initially believed there was some sort of exploitation happening, but that turned out not to be the case -- the first report given to me suspected the comments script of being exploited to send unauthorized e-mail. The final report is that the techs had looked through the site and couldn't find anything that was exploited.

The site has been re-enabled by the techs and they are monitoring to see if anything odd happens again.

The culprits were mt.cgi (99.9% of CPU resources), mt-tb.cgi (78.0% of CPU resources) and mt-search.cgi (76.0% CPU resources).

At the time of excess CPU usage two things were happening:

1) I was writing/installing a new javascript widget (harmless -- a script to pull a link w/ description randomly from a list)

2) The site was being crawled by googlebot and slurp, according to the activity log

Anyone else experienced this type of problem?

Yes, although the culprit was claimed to be the mt-view script. http://forums.sixapart.com/index.php?showtopic=67599

Thanks for the information.

I checked on the status of a php calendar that I've yet to re-integrate into the blog since moving to MT 4.23 (another issue -- how can I develop a page with a .php extension instead of .html?) and it appears to still be chugging along. Also, the only errors in my log are related to page not found errors -- a nuisance problem since the upgrade.

I'll ask about suPHP

Misconfigured ImageMagick can also cause this sort of problem.