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Posted to notifications@iotdb.apache.org by "Yuan Tian (Jira)" <ji...@apache.org> on 2022/01/23 03:14:00 UTC

[jira] [Created] (IOTDB-2472) Mods file compression

Yuan Tian created IOTDB-2472:
--------------------------------

             Summary: Mods file compression
                 Key: IOTDB-2472
                 URL: https://issues.apache.org/jira/browse/IOTDB-2472
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Core/Engine
            Reporter: Yuan Tian
            Assignee: Haiming Zhu


Currently, if we use the following command:

```

delete from root.** where time <= 10;

delete from root.** where time <= 20;

delete from root.** where time <= 30;

```

We will have 3 lines record in .mods file, even if we can only use `delete from root.** where time <= 30;` to do the same thing.

So, I think we need a thread to do the Mods file compression.



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