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From "Sankar Hariappan (JIRA)" <>
Subject [jira] [Updated] (HIVE-16171) Support replication of truncate table
Date Fri, 24 Mar 2017 22:44:41 GMT


Sankar Hariappan updated HIVE-16171:
    Attachment: HIVE-16171.01.patch

The first patch with replication support for truncate table is out!
Re-used alterTable/Partition events/message to send truncate message. The truncate flow is
chosen if the Data Location is empty for the given table/partition.
Request [~sushanth], [~thejas], [~anishek] and [~vgumashta] to review the patch!

> Support replication of truncate table
> -------------------------------------
>                 Key: HIVE-16171
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: repl
>            Reporter: Sankar Hariappan
>            Assignee: Sankar Hariappan
>         Attachments: HIVE-16171.01.patch
> Need to support truncate table for replication. Key points to note.
> 1. For non-partitioned table, truncate table will remove all the rows from the table.
> 2. For partitioned tables, need to consider how truncate behaves if truncate a partition
or the whole table.
> 3. Bootstrap load with truncate table must work as it is just loadTable/loadPartition
with empty dataset.
> 4. It is suggested to re-use the alter table/alter partition events to handle truncate.

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