pvary commented on a change in pull request #1275:
URL: https://github.com/apache/hive/pull/1275#discussion_r457970694



##########
File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Cleaner.java
##########
@@ -64,13 +67,15 @@
   static final private String CLASS_NAME = Cleaner.class.getName();
   static final private Logger LOG = LoggerFactory.getLogger(CLASS_NAME);
   private long cleanerCheckInterval = 0;
+  private Executor cleanerExecutor;
 
   private ReplChangeManager replChangeManager;
 
   @Override
   public void init(AtomicBoolean stop) throws Exception {
     super.init(stop);
     replChangeManager = ReplChangeManager.getInstance(conf);
+    cleanerExecutor = 
Executors.newFixedThreadPool(conf.getIntVar(HiveConf.ConfVars.HIVE_COMPACTOR_CLEANER_REQUEST_QUEUE));

Review comment:
       I think it would be a good idea to shut down the executor when we 
finished the run loop.
   What do you think?




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