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https://issues.apache.org/jira/browse/IOTDB-695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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WangChao reassigned IOTDB-695:
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Assignee: WangChao
> Accelerate the count timeseries query
> -------------------------------------
>
> Key: IOTDB-695
> URL: https://issues.apache.org/jira/browse/IOTDB-695
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: Core/Engine
> Reporter: Jialin Qiao
> Assignee: WangChao
> Priority: Major
>
> For count timeseries, we get all timeseries and then calculate the count.
> Which occupy much memory and not efficient. It's better to count while
> traversing the MTree.
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