Github user aledsage commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/491#discussion_r92645673
--- Diff: core/src/main/java/org/apache/brooklyn/feed/ssh/SshFeed.java ---
@@ -270,6 +270,7 @@ private SshPollValue exec(String command,
Map<String,String> env) throws IOExcep
ConfigBag flags = ConfigBag.newInstanceExtending(config().getBag())
.configure(SshTool.PROP_NO_EXTRA_OUTPUT, true)
.configure(SshTool.PROP_OUT_STREAM, stdout)
+ .configure(SshMachineLocation.CLOSE_CONNECTION, true)
--- End diff --
This is really expensive. It means that we close all connections in our
ssh-pool-cache in `SshMachineLocation`.
(As an aside, I wonder if that works properly! I hope that invalidating the
cache won't terminate other ssh commands that are executing in other threads!).
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