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Subject [GitHub] [zookeeper] jhuan31 commented on a change in pull request #840: ZOOKEEPER-3143 Pluggable metrics system for ZooKeeper - Data Collection on Server
Date Sun, 10 Mar 2019 06:03:08 GMT
jhuan31 commented on a change in pull request #840:  ZOOKEEPER-3143 Pluggable metrics system
for ZooKeeper - Data Collection on Server
URL: https://github.com/apache/zookeeper/pull/840#discussion_r264024534
 
 

 ##########
 File path: zookeeper-server/src/main/java/org/apache/zookeeper/server/watch/WatchManagerOptimized.java
 ##########
 @@ -68,6 +68,8 @@
     private final WatcherCleaner watcherCleaner;
 
     private final ReentrantReadWriteLock addRemovePathRWLock = new ReentrantReadWriteLock();
+    
+    private ServerMetrics serverMetrics = ServerMetrics.NULL_METRICS;
 
 Review comment:
   I can't figure out when the serverMetrics is set for the WatchManager and WatchManagerOptimized.
The setter is called in tests only (Or do I miss something?). 

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