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https://issues.apache.org/jira/browse/KUDU-1458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15423146#comment-15423146
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Dan Burkert commented on KUDU-1458:
-----------------------------------
A lot of the heavy lifting for this feature has recently been done as part of
KUDU-1311 / KUDU-1421. We now allow tablets to be dropped and added from
running tables. Doing a table truncate isn't quite as simple as dropping all
of the range partitions and adding them back in one big alter step, because
tables aren't necessarily range partitioned. It would be sufficient to drop
all tablets and add them back with the same partition key bounds, and the code
should look very similar to the add/drop range partition code path.
> truncate table support for kudu tables
> --------------------------------------
>
> Key: KUDU-1458
> URL: https://issues.apache.org/jira/browse/KUDU-1458
> Project: Kudu
> Issue Type: New Feature
> Components: impala, master
> Reporter: nick
>
> truncate will come in handy to quickly erase the table. current delete
> statement takes long time when the record count is high.
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