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https://issues.apache.org/jira/browse/HDFS-6843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14114726#comment-14114726
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jay vyas commented on HDFS-6843:
--------------------------------
Hi andrew. my two cents, is that I think Steve only means the two following
tasks:
- referring to modifying
{{/hadoop-common/src/site/markdown/filesystem/fileinputstream.md}} to describe
the isEncrypted semantics, and
- adding a unit test to
{{.//hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/contract/AbstractContractOpenTest.java}}
.
So , although we call it a **specification**, its just an .md file and a unit
test... probably most patches add a unit test, so its really just one extra
unit of work : updating the md file.
Hope that makes it sound less burdensome?
> Create FSDataInputStream & FSDataOutputStream isEncrypted() method
> ------------------------------------------------------------------
>
> Key: HDFS-6843
> URL: https://issues.apache.org/jira/browse/HDFS-6843
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode, security
> Affects Versions: 3.0.0
> Reporter: Charles Lamb
> Assignee: Charles Lamb
> Attachments: HDFS-6843.001.patch, HDFS-6843.002.patch
>
>
> FileStatus should have a 'boolean isEncrypted()' method. (it was in the
> context of discussing with AndreW about FileStatus being a Writable).
> Having this method would allow MR JobSubmitter do the following:
> -----
> BOOLEAN intermediateEncryption = false
> IF jobconf.contains("mr.intermidate.encryption") THEN
> intermediateEncryption = jobConf.getBoolean("mr.intermidate.encryption")
> ELSE
> IF (I/O)Format INSTANCEOF File(I/O)Format THEN
> intermediateEncryption = ANY File(I/O)Format HAS a Path with status
> isEncrypted()==TRUE
> FI
> jobConf.setBoolean("mr.intermidate.encryption", intermediateEncryption)
> FI
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