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https://issues.apache.org/jira/browse/HDDS-5220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17345996#comment-17345996
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cchenaxchen commented on HDDS-5220:
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yes，I think your idea is well，but datanode scanner may execute once a
week，because of the containers are too much.If we delete the data，but we delete
the metadata throws the exception，when we read the data，it may cause error.
> when datanode delete the data,first delete metadata,then delete chunk files
> ---------------------------------------------------------------------------
>
> Key: HDDS-5220
> URL: https://issues.apache.org/jira/browse/HDDS-5220
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: cchenaxchen
> Assignee: cchenaxchen
> Priority: Major
> Labels: pull-request-available
>
> when use datanode scanner scan the container，the checksum bases on Rocksdb
> metadata to find the chunk file on disk,but when datanode delete
> data，datanode should delete metadata first，the delete chunk file，in order to
> avoid when chunk file was deleted，but the metadata can not be modified，the
> datanode scanner scan the datanode will mark this container unhealthy.
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