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From "Fangmin Lv (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-3512) Real time data integrity check during broadcast time
Date Tue, 20 Aug 2019 15:38:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-3512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Fangmin Lv updated ZOOKEEPER-3512:
----------------------------------
        Parent: ZOOKEEPER-3114
    Issue Type: Sub-task  (was: New Feature)

> Real time data integrity check during broadcast time
> ----------------------------------------------------
>
>                 Key: ZOOKEEPER-3512
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3512
>             Project: ZooKeeper
>          Issue Type: Sub-task
>          Components: server
>            Reporter: Fangmin Lv
>            Assignee: Fangmin Lv
>            Priority: Major
>             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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