tillrohrmann commented on a change in pull request #17137:
URL: https://github.com/apache/flink/pull/17137#discussion_r719536807



##########
File path: flink-end-to-end-tests/test-scripts/common_ha.sh
##########
@@ -127,6 +127,18 @@ function kill_single {
     echo "Killed JM @ ${PID}"
 }
 
+function start_expected_num_tms() {
+  local EXPECTED_TMS=$1
+
+  local RUNNING_TMS=`jps | grep 'TaskManager' | wc -l`
+
+  while [ "${RUNNING_TMS}" -lt "${EXPECTED_TMS}" ]; do
+      echo "Starting new TM."
+      "$FLINK_DIR"/bin/taskmanager.sh start > /dev/null
+      RUNNING_TMS=$(( $RUNNING_TMS + 1 ))

Review comment:
       Good catch. Thanks a lot!




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