[erlang-questions] EPMD question

Erlang Tech tech@REDACTED
Wed Jul 31 13:24:53 CEST 2013


Good day everyone

we are noting and interesting situation on one of our servers.  We have
an erlang cluster with the application distributed over multiple
servers.  

When we do a netstat we see a lot of the following on one specific
server:

tcp        0      0 10.27.103.12:epmd           10.27.103.80:52873
TIME_WAIT   
tcp        0      0 10.27.103.12:epmd           10.27.103.80:48273
TIME_WAIT   
tcp        0      0 10.27.103.12:epmd           10.27.103.80:38921
TIME_WAIT   
tcp        0      0 10.27.103.12:epmd           10.27.103.80:59294
TIME_WAIT   
tcp        0      0 10.27.103.12:epmd           10.27.103.80:58333
TIME_WAIT

my question is what could be causing this multitude of connections to
epmd from that one specific server.  My understanding was that epmd
would only require a single connection, 
to communicate between the two epmd server instances.

The one server has 4 erlang nodes running, and the other server has a
single erlang node running (mostly yaws).

Erlang version R14B03.

Thank you


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