assertThat(planNode, instanceOf(ESClusterUpdateSettingsNode.class));
ESClusterUpdateSettingsNode node = (ESClusterUpdateSettingsNode) planNode;
// set transient settings too when setting persistent ones
assertThat(node.transientSettings().toDelimitedString(','), is("stats.jobs_log_size=1024,"));
assertThat(node.persistentSettings().toDelimitedString(','), is("stats.jobs_log_size=1024,"));
plan = plan("set GLOBAL TRANSIENT stats.enabled=false,stats.jobs_log_size=0");
iterator = plan.iterator();
planNode = iterator.next();
assertThat(planNode, instanceOf(ESClusterUpdateSettingsNode.class));