Erwin Dondorp created ARTEMIS-3157:
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Summary: uneven number of connections in a cluster
Key: ARTEMIS-3157
URL: https://issues.apache.org/jira/browse/ARTEMIS-3157
Project: ActiveMQ Artemis
Issue Type: Bug
Components: Broker
Affects Versions: 2.17.0
Reporter: Erwin Dondorp
Using a cluster of 3 master + 3 slave nodes. full interconnect, each with a
fresh virtual disk.
On each master nodes, the 2 static connections to the other master nodes are
visible, and each is marked with the dedicated cluster username. so that part
seems ok.
but without any clients having connected, there are additional connections. the
amount is not the same in each master node. Some connections show "127.0.0.1"
as address, something that is not in my configuration. none of the extra
connections have any sessions.
the details of an example:
* broker1: 3 connections to own slave; 2 extra to/from broker2; 1 extra to/from
backup of broker3
* broker2: 3 connections to own slave; 2 extra to/from broker1; 2 extra to/from
broker3; 1 extra to/from slave of broker3
* broker3: 1 connection to own slave; no other extra connections
the exact amount of connections varies a little between startups and also seems
to depend on the exact startup sequence.
my assumption is that these connections should not be present, and that this is
not intended, hence this report. my wild guess is that these are remnants from
connections that did not success due to the cluster not fully available yet.
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