Hi,
These entries have been appearing in the log files for a while now, including 7.920 - anything to worry about? They appear every 7 minutes for the master node only.
2010:06:10-00:03:15 mercury-2 ha_proxy[6276]: Connect (file descriptor 7): db_host.local [127.0.0.1]
2010:06:10-00:03:15 mercury-2 ha_proxy[6276]: read_request_line: Client (file descriptor: 7) closed socket before read.
Cheers,
Darren