Github user tbouron commented on a diff in the pull request:
https://github.com/apache/brooklyn-dist/pull/121#discussion_r191788710
--- Diff: karaf/apache-brooklyn/src/main/resources/bin/setenv ---
@@ -85,6 +89,9 @@ export
EXTRA_JAVA_OPTS="-Dbrooklyn.location.localhost.address=127.0.0.1 ${EXTRA_
# Increase garbage collection, see
https://issues.apache.org/jira/browse/BROOKLYN-375
export EXTRA_JAVA_OPTS="-XX:SoftRefLRUPolicyMSPerMB=1 ${EXTRA_JAVA_OPTS}"
+# Set the DNS TTL for the JVM
+export EXTRA_JAVA_OPTS="-Dsun.net.inetaddr.ttl=${DNS_TTL}
${EXTRA_JAVA_OPTS}"
--- End diff --
@geomacy Indeed, it is annoying that we cannot control the
`networkaddress.cache.ttl` directly hence why I went for the old
`sun.net.inetaddr.ttl` property.
Good idea though, I'll add a comment
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