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https://issues.apache.org/jira/browse/HDFS-8219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14529242#comment-14529242
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Hudson commented on HDFS-8219:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #7740 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/7740/])
HDFS-8219. setStoragePolicy with folder behavior is different after cluster
restart. (surendra singh lilhore via Xiaoyu Yao) (xyao: rev
0100b155019496d077f958904de7d385697d65d9)
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBlockStoragePolicy.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> setStoragePolicy with folder behavior is different after cluster restart
> ------------------------------------------------------------------------
>
> Key: HDFS-8219
> URL: https://issues.apache.org/jira/browse/HDFS-8219
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Peter Shi
> Assignee: surendra singh lilhore
> Labels: BB2015-05-RFC
> Fix For: 2.8.0
>
> Attachments: HDFS-8219.patch, HDFS-8219.unittest-norepro.patch
>
>
> Reproduce steps.
> 1) mkdir named /temp
> 2) put one file A under /temp
> 3) change /temp storage policy to COLD
> 4) use -getStoragePolicy to query file A's storage policy, it is same with
> /temp
> 5) change /temp folder storage policy again, will see file A's storage policy
> keep same with parent folder.
> then restart the cluster.
> do 3) 4) again, will find file A's storage policy is not change while parent
> folder's storage policy changes. It behaves different.
> As i debugged, found the code:
> in INodeFile.getStoragePolicyID
> {code}
> public byte getStoragePolicyID() {
> byte id = getLocalStoragePolicyID();
> if (id == BLOCK_STORAGE_POLICY_ID_UNSPECIFIED) {
> return this.getParent() != null ?
> this.getParent().getStoragePolicyID() : id;
> }
> return id;
> }
> {code}
> If the file do not have its storage policy, it will use parent's. But after
> cluster restart, the file turns to have its own storage policy.
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