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https://issues.apache.org/jira/browse/HDFS-9267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14979170#comment-14979170
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Lei (Eddy) Xu commented on HDFS-9267:
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bq. I don't see why you have to load all replicas into a map.
It is for re-using the code in {{FsVolume#getVolumeMap()}} to load on-disk
files into {{Replicas}}.
I will implement a Replica iterator then. Thanks a lot.
> TestDiskError should get stored replicas through FsDatasetTestUtils.
> --------------------------------------------------------------------
>
> Key: HDFS-9267
> URL: https://issues.apache.org/jira/browse/HDFS-9267
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: test
> Affects Versions: 2.7.1
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Priority: Minor
> Attachments: HDFS-9267.00.patch, HDFS-9267.01.patch,
> HDFS-9267.02.patch
>
>
> {{TestDiskError#testReplicationError}} scans local directories to verify
> blocks and metadata files, which leaks the details of {{FsDataset}}
> implementation.
> This JIRA will abstract the "scanning" operation to {{FsDatasetTestUtils}}.
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