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https://issues.apache.org/jira/browse/IOTDB-352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17005984#comment-17005984
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Tian Jiang commented on IOTDB-352:
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This is the current solution, it is not perfect. Any suggestions or new ideas
are welcomed.
> [Distributed] Recognize and skip duplicated files in a snapshot
> ---------------------------------------------------------------
>
> Key: IOTDB-352
> URL: https://issues.apache.org/jira/browse/IOTDB-352
> Project: Apache IoTDB
> Issue Type: Improvement
> Reporter: Tian Jiang
> Priority: Major
> Labels: distributed
>
> By the naming of TsFiles in IoTDB, the files with the same data may have
> different names on different nodes. When such files are sent through
> snapshots, the receiver is unable to tell whether the file already exists
> locally or not, so it will blindly load the file as an unsequential one (if
> it does overlap any existing files), which will waste a lot of system
> resources.
> How can we figure out if we already have one file or not?
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