Aha!
(Computerworld) It's been two weeks since this server problem was reported at a remote site, and this pilot fish has made sure he's not on the team dealing with it.
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Update update feed set failed_fetches=0, fetched=current_timestamp() where feed_id = 15395 failed: 1142 [UPDATE command denied to user '334187_hdlns_ms5'@'10.187.248.89' for table 'feed'] in [update feed set failed_fetches=0, fetched=current_timestamp() where feed_id = 15395]
updated 15395 (Computerworld Blogs), inserted 4, updated 0, at 2012-06-02 01:04:44