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Posted to notifications@iotdb.apache.org by "Yuyuan KANG (Jira)" <ji...@apache.org> on 2020/06/08 15:24:00 UTC

[jira] [Assigned] (IOTDB-709) [Distributed] Enable schema auto-creation

     [ https://issues.apache.org/jira/browse/IOTDB-709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuyuan KANG reassigned IOTDB-709:
---------------------------------

    Assignee: Yuyuan KANG

> [Distributed] Enable schema auto-creation
> -----------------------------------------
>
>                 Key: IOTDB-709
>                 URL: https://issues.apache.org/jira/browse/IOTDB-709
>             Project: Apache IoTDB
>          Issue Type: Improvement
>          Components: Core/Cluster
>            Reporter: Tian Jiang
>            Assignee: Yuyuan KANG
>            Priority: Major
>              Labels: cluster, schema
>
> Schema auto-creation is temporarily disabled in the distributed version because it modifies the metadata without notifying other nodes, causing potential inconsistency.
> To resolve this, one way is that the detection of missing schemas should be performed before the insertion being transformed into a raft log and append it to other nodes, and when missing schemas are found, the logs of creating missing schemas should be appended first to other nodes. 



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