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https://issues.apache.org/jira/browse/IOTDB-5185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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刘珍 reassigned IOTDB-5185:
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Assignee: Xinyu Tan (was: 张洪胤)
> [ IoTConsensus snapshot ] The old snapshot is not deleted after “ take
> snapshot ” is complete
> ---------------------------------------------------------------------------------------------
>
> Key: IOTDB-5185
> URL: https://issues.apache.org/jira/browse/IOTDB-5185
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: mpp-cluster
> Reporter: 刘珍
> Assignee: Xinyu Tan
> Priority: Major
> Attachments: screenshot-1.png
>
>
> 问题描述:
> IoTConsensus 新的snapshot完成,旧的snapshot没有删除。
> 还有1个问题是:
> tsfile 没有发生修改与新的写入,stop datanode 也会take
> snapshot,是否加个判断,如果tsfile不发生改变,就不需要take snapshot。
> 1. 私有云1期
> master 1212_bd8cfad
> 如下
> ./data/datanode/data/snapshot/root.test.g_0-4/下面有3个snapshot
> 2个是历史snapshot可以删除
> 其中
> snapshot_4_1670828625668
> snapshot_4_1670829393480
> 这2个snapshot的tsfile 完全一样,没有发生tsfile的修改与写入,但是stop datanode,也take
> snapshot,是否可以判断一下,如果tsfile没发生改变,就不用take snapshot。
> !screenshot-1.png!
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