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Posted to notifications@iotdb.apache.org by "Haiming Zhu (Jira)" <ji...@apache.org> on 2021/08/02 02:26:00 UTC

[jira] [Created] (IOTDB-1541) Change sequence of wal and memtable in insert

Haiming Zhu created IOTDB-1541:
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             Summary: Change sequence of wal and memtable in insert
                 Key: IOTDB-1541
                 URL: https://issues.apache.org/jira/browse/IOTDB-1541
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Core/Engine, Engine
            Reporter: Haiming Zhu


When inserting data, IoTDB first inserts data into memtable and then writes wal. If writing wal occurs error, the data in memtable should rollback, but IoTDB doesn't implement this. This problem can be fixed by changing the sequence of wal and memtable in insert.



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