-DVflag enables trace and debug for the server.
-T falsethen log entries are not timestamped. Default is true.
logfile_size_limit. The backup files will have the same name as the original log file with the suffix .yyyy.mm.dd.hh.mm.ss.micros.
`kill -SIGUSR1cat /var/run/nats-server.pid``` does not kill the NATS server process, but instead sends it a signal causing it to reload its log files. This will cause new requests to be logged to the refreshed log file.
/var/run/nats-server.pidfile is where NATS server stores the master process's pid.
UNSUBmessages, but this does not indicate the subscription is gone, only that the message was received. The
DELSUBmessage in the log can be used to determine when the actual subscription removal has taken place.