YARN-10597. CSMappingPlacementRule should not create new instance of Groups. Contributed by Gergely Pollak

This commit is contained in:
Szilard Nemeth 2021-03-31 16:14:03 +02:00
parent ff6ec20d84
commit 6fd0c661b6

View File

@ -132,11 +132,7 @@ public boolean initialize(ResourceScheduler scheduler) throws IOException {
overrideWithQueueMappings = conf.getOverrideWithQueueMappings();
if (groups == null) {
//We cannot use Groups#getUserToGroupsMappingService here, because when
//tests change the HADOOP_SECURITY_GROUP_MAPPING, Groups won't refresh its
//cached instance of groups, so we might get a Group instance which
//ignores the HADOOP_SECURITY_GROUP_MAPPING settings.
groups = new Groups(conf);
groups = Groups.getUserToGroupsMappingService(conf);
}
MappingRuleValidationContext validationContext = buildValidationContext();