[GitHub] [hbase] virajjasani commented on a change in pull request #310: [HBASE-22591] : RecoverableZooKeeper improvement for getData, getChil…

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virajjasani commented on a change in pull request #310: [HBASE-22591] : RecoverableZooKeeper improvement for getData, getChil…
URL: https://github.com/apache/hbase/pull/310#discussion_r294092031
 
 

 ##########
 File path: hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.java
 ##########
 @@ -205,12 +203,21 @@ public void delete(String path, int version) throws InterruptedException, Keeper
    * @return A Stat instance
    */
   public Stat exists(String path, Watcher watcher) throws KeeperException, InterruptedException {
+    return getStatInstance(path, watcher, null);
+  }
+
+  private Stat getStatInstance(String path, Watcher watcher, Boolean watch)
+          throws InterruptedException, KeeperException {
     try (TraceScope scope = TraceUtil.createTrace("RecoverableZookeeper.exists")) {
 
 Review comment:
   It’s true that the scope variable isn’t used anywhere. However, that is how it is used with try-with-resources in most of the cases in this project to create htrace and then close it.
   Are you suggesting to keep it this way: try(TraceUtil.createTrace())  ?
   

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