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https://issues.apache.org/jira/browse/HDFS-11567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15948677#comment-15948677
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Weiwei Yang commented on HDFS-11567:
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Thanks [~xyao] for your help.
> Ozone: SCM: Support update container
> ------------------------------------
>
> Key: HDFS-11567
> URL: https://issues.apache.org/jira/browse/HDFS-11567
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Attachments: HDFS-11567-HDFS-7240.001.patch,
> HDFS-11567-HDFS-7240.002.patch
>
>
> Add support to update a container. A container has a set of states. That
> states include information like SHA256 hashes, the metadata of the container,
> a set of key value pairs. etc. This API allows us to update or change those
> values for an existing container. This API is also critical if we want to
> force a rewrite of the container data on the datanode. We could read the data
> and write it back to for a disk update, which would allow us to repair a
> container metadata if it is really needed.
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