[jira] [Assigned] (IOTDB-722) [Distributed] Support mode consistencies

["Houliang Qi (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IOTDB-722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Houliang Qi reassigned IOTDB-722:
---------------------------------

    Assignee: Houliang Qi

> [Distributed] Support mode consistencies
> ----------------------------------------
>
>                 Key: IOTDB-722
>                 URL: https://issues.apache.org/jira/browse/IOTDB-722
>             Project: Apache IoTDB
>          Issue Type: Improvement
>            Reporter: Tian Jiang
>            Assignee: Houliang Qi
>            Priority: Major
>              Labels: cluster, consistencyCheck
>
> We only support mid-consistency now, which is that we will first try to synchronize with the leader to reach strong consistency, but if there is a time-out, we will give up and just use current data which results in a weak consistency.
> So there are two other consistencies to support: Strong consistency, if there is a time-out, instead of using local data, directly report an error to the user. Weak consistency, do not synchronize with the leader and simply use the local data.



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