Add custom log handler
--log-handler format command
--log-handler adds
a log handler that writes log data to the application specified by format commandcommand in
the format specified by format.
The server instance launches an instance of the log handler
at startup. All log events are sent to the STDIN stream
of the log handler. The STDOUT and STDERR streams
of the log handler are captured and written to INSTANCE_ROOT/log/custom_logger_N.outINSTANCE_ROOT/log/custom_logger_N.err
formatFormat used to write log events. Valid values are:
text/plain
text/json
text/xml
commandApplication launched to process log events.
Send log events to a custom JSON parser that prepares performance graphs.
--log-handler text/json perf_grapher