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Posted to notifications@iotdb.apache.org by "Xiangdong Huang (Jira)" <ji...@apache.org> on 2020/03/24 03:21:00 UTC

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

     [ https://issues.apache.org/jira/browse/IOTDB-349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiangdong Huang reassigned IOTDB-349:
-------------------------------------

    Assignee: Tianan Li

> [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
>            Assignee: Tianan Li
>            Priority: Minor
>              Labels: distributed
>
> 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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