Slow sites (>7 seconds response) Stop metrics collection

Once this condition occurs, all sites are marked as down and no metrics are collected.

Slow sites timeout and produce these transaction errors:

17:10:41,014 WARN [com.arjuna.ats.arjuna] (Transaction Reaper) ARJUNA012117: TransactionReaper::check timeout for TX 0:ffff7f000001:7aa87dd6:551abcf3:881c in state RUN
17:10:41,017 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012095: Abort of action id 0:ffff7f000001:7aa87dd6:551abcf3:881c invoked while multiple threads active within it.
17:10:41,017 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012108: CheckedAction::check - atomic action 0:ffff7f000001:7aa87dd6:551abcf3:881c aborting with 1 threads active!
17:10:41,017 WARN [com.arjuna.ats.arjuna] (Transaction Reaper Worker 0) ARJUNA012121: TransactionReaper::doCancellations worker Thread[Transaction Reaper Worker 0,5,main] successfully canceled TX 0:ffff7f000001:7aa87dd6:551abcf3:881c