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https://issues.apache.org/jira/browse/HDFS-11504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao updated HDFS-11504:
------------------------------
    Attachment: HDFS-11504-HDFS-7240.002.patch

Fix the checkstyle issue.

> Ozone: SCM: Add AllocateBlock/DeleteBlock/GetBlock APIs
> -------------------------------------------------------
>
>                 Key: HDFS-11504
>                 URL: https://issues.apache.org/jira/browse/HDFS-11504
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7240
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>         Attachments: HDFS-11504-HDFS-7240.001.patch, 
> HDFS-11504-HDFS-7240.002.patch
>
>
> The signature of the APIs are listed below. This allows SCM to 
> 1) allocateBlock for client and maintain the key->container mapping in level 
> DB in addition to the existing container to pipeline mapping in level DB. 
> 2) return the pipeline of a block based on the key.
> 3) remove the block based on the key of the block. 
> {code}
> <Pipeline,key> allocateBlock(long size)
> <Pipeline> getBlock(key);
> void deleteBlock(key);
> {code}



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