Xiangdong Huang created IOTDB-702:
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Summary: limit the size of historicalVersions in TsFileResources
Key: IOTDB-702
URL: https://issues.apache.org/jira/browse/IOTDB-702
Project: Apache IoTDB
Issue Type: Wish
Components: Core/Engine
Reporter: Xiangdong Huang
To track the merge history of a TsfileResource, we have a `Set<Long>
historicalVersions;`
However, this field should be controlled and reduced with some strategy to
avoid it takes too much memory.
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