Github user billoley commented on the issue:
https://github.com/apache/accumulo/pull/291
I'd be happy to use something other than the system properties and am open
to suggestions.
The need for discovering the instance (1,2, etc) is that intermingling
tserver metrics makes the metrics pretty useless. For metrics systems that
auto-discover the existing tags (Master, TabletServer [for single instance
servers], TabletServer-1, TabletServer-2, etc) per host, appending a randomly
generated number would be much less elegant and would clutter displays and
databases.
The need for discovering the service name (-Dapp) comes from the Thrift
metrics which are started with a thrift server on several different services.
To make these metrics useful, we need to be able to identify which application
they came from.
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