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From "Fangmin Lv (Jira)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-3512) Real time data integrity check during broadcast time
Date Tue, 20 Aug 2019 15:36:00 GMT
Fangmin Lv created ZOOKEEPER-3512:
-------------------------------------

             Summary: Real time data integrity check during broadcast time
                 Key: ZOOKEEPER-3512
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3512
             Project: ZooKeeper
          Issue Type: New Feature
          Components: server
            Reporter: Fangmin Lv
            Assignee: Fangmin Lv
             Fix For: 3.6.0


This is a sub task of ZOOKEEPER-3114, which is going to calculate the hash value of data
tree after each txn, leader will proposal txn with digest, and when learner applied the txn
to data tree, it will check if it has the same hash value or not.

Currently, the default behavior is logging and reporting via metric, people can also implement
auto-recover based on the event received from DigestWatcher. 



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