microdescs never purged from authority cache
moria1 (a directory authority) has 248440 microdescs cached:
-rw------- 1 tord tord 33876363 2010-04-09 18:50 cached-microdescs
-rw------- 1 tord tord 52401111 2010-11-30 15:42 cached-microdescs.new
The first starts at
@last-listed 2009-12-21 01:50:01
nickm says they're supposed to get removed in microdesc_cache_clean/microdesc_cache_rebuild(), but it would seem they don't.
moria1 is currently running Tor 0.2.3.0-alpha-dev (git-19019f26b08b5222), but this has clearly been a problem longer than that.