Github user mxm commented on a diff in the pull request: https://github.com/apache/flink/pull/2667#discussion_r84241679 --- Diff: flink-contrib/docker-flink/docker-entrypoint.sh --- @@ -20,11 +20,19 @@ if [ "$1" = "jobmanager" ]; then echo "Starting Job Manager" - sed -i -e "s/jobmanager.rpc.address: localhost/jobmanager.rpc.address: `hostname -f`/g" $FLINK_HOME/conf/flink-conf.yaml + #sed -i -e "s/jobmanager.rpc.address: localhost/jobmanager.rpc.address: `hostname -f`/g" $FLINK_HOME/conf/flink-conf.yaml + + # make use of container linking and exploit the jobmanager entry in /etc/hosts + sed -i -e "s/jobmanager.rpc.address: localhost/jobmanager.rpc.address: jobmanager/g" $FLINK_HOME/conf/flink-conf.yaml + sed -i -e "s/taskmanager.numberOfTaskSlots: 1/taskmanager.numberOfTaskSlots: `grep -c ^processor /proc/cpuinfo`/g" $FLINK_HOME/conf/flink-conf.yaml --- End diff -- This line has to go to the `taskmanager` section. Before, it didn't really matter because the config was shared but now this setting will just be configured for the `JobManager` when, in fact, it is only used by the `TaskManager`.
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