suyue created IOTDB-160:
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Summary: 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
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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