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Posted to dev@iotdb.apache.org by "Tian Jiang (Jira)" <ji...@apache.org> on 2019/12/10 02:14:00 UTC

[jira] [Created] (IOTDB-349) [Distributed] Incrementally update snapshot

Tian Jiang created IOTDB-349:
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             Summary: [Distributed] Incrementally update snapshot
                 Key: IOTDB-349
                 URL: https://issues.apache.org/jira/browse/IOTDB-349
             Project: Apache IoTDB
          Issue Type: Improvement
            Reporter: Tian Jiang


Currently, the snapshot is fully recalculated when takeSnapshot() is called. It does not count much since snapshot-taking is relatively rare and the snapshot mainly concerns the list of the data files and timeseries schemas, not including the data.

Still, using an incremental strategy would help to reduce meta tree traversing and file listing.



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