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Posted to notifications@iotdb.apache.org by "FengQingxin (Jira)" <ji...@apache.org> on 2022/01/19 11:37:00 UTC

[jira] [Created] (IOTDB-2448) [UNLOAD] Make RestorableTsFileWriter have idempotence

FengQingxin created IOTDB-2448:
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             Summary: [UNLOAD] Make RestorableTsFileWriter have idempotence
                 Key: IOTDB-2448
                 URL: https://issues.apache.org/jira/browse/IOTDB-2448
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Core/TsFile
            Reporter: FengQingxin


When we construct a RestorableTsFileWriter on a non-complete TsFile, the write will truncate the broken ChunkGroup.

However, a ChunkGroup is being seen as complete only we see the next ChunkGroupHeader.

This causes when new RestorableTsFileWriter twice on a file, it will do truncate twice, even if the file has a complete ChunkGroup.

We need to identify the end to a ChunkGroup and make sure the RestorableTsFileWriter will only truncate one time for a TsFile.



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