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https://issues.apache.org/jira/browse/HDFS-8186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14548419#comment-14548419
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Zhe Zhang commented on HDFS-8186:
---------------------------------
Thanks Walter for updating the patch! +1 on the latest version pending the
following minor issues. After fixing the issues please feel free to commit the
patch.
# Looks like we should add a TODO that webhdfs on striped files will be
supported later?
{code}
public DatanodeStorageInfo[] chooseTarget4WebHDFS(String src,
DatanodeDescriptor clientnode, Set<Node> excludes, long blocksize) {
- return blockplacement.chooseTarget(src, 1, clientnode,
+ return placementPolicies.getPolicy(false).chooseTarget(src, 1, client node,
{code}
# {{FSNamesystem}} needs a rebase
> Erasure coding: Make block placement policy for EC file configurable
> --------------------------------------------------------------------
>
> Key: HDFS-8186
> URL: https://issues.apache.org/jira/browse/HDFS-8186
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Walter Su
> Assignee: Walter Su
> Attachments: HDFS-8186-HDFS-7285.002.patch, HDFS-8186.001.patch
>
>
> This includes:
> 1. User can config block placement policy for EC file in xml configuration
> file.
> 2. EC policy works for EC file, replication policy works for non-EC file.
> They are coexistent.
> Not includes:
> 1. Details of block placement policy for EC. Discussion and implementation
> goes to HDFS-7613.
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