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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