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https://issues.apache.org/jira/browse/IOTDB-160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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suyue closed IOTDB-160.
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> External sort in non-sequential data
> ------------------------------------
>
> Key: IOTDB-160
> URL: https://issues.apache.org/jira/browse/IOTDB-160
> Project: Apache IoTDB
> Issue Type: Improvement
> Reporter: suyue
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> For the query of non-sequential data, each chunk is constructed separately as
> reader, then merged and sorted. When non-sequential data is large, so the
> number of chunks of merge is too large, it may cause the problem of
> exhausting memory. So when the number of chunks merged at the same time
> reaches a certain limit, the external method is adopted.
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