[GitHub] zookeeper pull request #632: [ZOOKEEPER-3150] Add tree digest check and veri...

[eribeiro]

Github user eribeiro commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/632#discussion_r224213395
  
    --- Diff: 
zookeeper-server/src/main/java/org/apache/zookeeper/server/DataNode.java ---
    @@ -37,6 +37,14 @@
      * 
      */
     public class DataNode implements Record {
    +
    +    // the digest value of this node, calculated from path, data and stat
    +    private long digest;
    --- End diff --
    
    `private volatile long digest;`?


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