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https://issues.apache.org/jira/browse/HDFS-7613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14352571#comment-14352571
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Walter Su commented on HDFS-7613:
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This jira is implemented by HDFS-7891 and HDFS-7068
1. add a BlockPlacementPolicyFaultTolerant class in HDFS-7891
2. We can make striped files use BlockPlacementPolicyFaultTolerant in HDFS-7068
It is what I think the implementation of this jira should be. Maybe it's not
good enough. I have submitted the first version of patches for above two jiras.
I'm really looking forword to some suggestions.
> Block placement policy for erasure coding groups
> ------------------------------------------------
>
> Key: HDFS-7613
> URL: https://issues.apache.org/jira/browse/HDFS-7613
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Zhe Zhang
> Assignee: Walter Su
>
> Blocks in an erasure coding group should be placed in different failure
> domains -- different DataNodes at the minimum, and different racks ideally.
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