Change TCPCollector into derived values not raw counters. Also add various Retrans stats to the default set collected.
Turn TCP counters into derived values. Add some retransmit stats to b…
…asic TCP collector set
The 'method': 'Threaded' needs to be removed for anything that uses a derived value. derivative is not threadsafe.
Cannot use derivatives with Threaded method
Sorry, didn't realise that. Added another patch to the pull request to disable that method.
No worries! Thanks much for the pull request!