fluorine's globatitlefail.log grows by about 1.2-1.5MB/s & 10k lines per second with messages like this:
2014-12-15 07:14:47 mw1244 enwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1040 thwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1095 ruwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1109 ruwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1144 wikidatawiki: RequestContext::getTitle called by AbuseFilterHooks::filterEdit/AbuseFilter::filterAction/RequestContext::getTitle with no title set. 2014-12-15 07:14:47 mw1096 enwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1102 zhwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1180 enwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1076 enwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set. 2014-12-15 07:14:47 mw1024 enwiki: MessageCache::parse called by Message::toString/Message::parseText/MessageCache::parse with no title set.
This has been going on for a while and has resulted into this:
-rw-r--r-- 1 udp2log udp2log 90M Nov 17 06:25 archive/globaltitlefail.log-20141117.gz -rw-r--r-- 1 udp2log udp2log 80M Nov 18 06:25 archive/globaltitlefail.log-20141118.gz -rw-r--r-- 1 udp2log udp2log 234M Nov 19 06:25 archive/globaltitlefail.log-20141119.gz -rw-r--r-- 1 udp2log udp2log 1.6G Nov 20 06:25 archive/globaltitlefail.log-20141120.gz -rw-r--r-- 1 udp2log udp2log 3.0G Nov 21 06:25 archive/globaltitlefail.log-20141121.gz -rw-r--r-- 1 udp2log udp2log 2.9G Nov 22 06:25 archive/globaltitlefail.log-20141122.gz -rw-r--r-- 1 udp2log udp2log 3.0G Nov 23 06:25 archive/globaltitlefail.log-20141123.gz
...which is currently throwing fluorine off-balance with regards to disk usage.
https://gerrit.wikimedia.org/r/#/c/162149/1 seems to be the culprit and needs to be reverted (I'll do it soon unless I hear otherwise). The logspam has been diagnosed before and an attempt to fix it went with https://gerrit.wikimedia.org/r/#/c/163204/2 but apparently it wasn't enough.