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https://issues.apache.org/jira/browse/HADOOP-5445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12700288#action_12700288
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Michael Andrews commented on HADOOP-5445:
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I agree that fuse HDFS would be perfect for this situation, and indeed this was
one of the first options we looked into before developing this utility. We
chose not to go with fuse because it seemed rather immature at the time (0.17)
and also because it required a kernel module that was not standard in our
distro at the time (CentOS 4.1). The time it took to develop this utility (2
days) was much less that the time it would have taken to create a new kickstart
ISO and push this out to our production environment (red tape mostly), so we
went with the more complicated but less time intensive route. I will definitely
reevaluate the state of the fuse module, if we need to duplicate another
standard unix tool.
> HDFS Tmpreaper
> --------------
>
> Key: HADOOP-5445
> URL: https://issues.apache.org/jira/browse/HADOOP-5445
> Project: Hadoop Core
> Issue Type: New Feature
> Components: dfs
> Environment: CentOs 4/5, Java 1.5, Hadoop 0.17.3
> Reporter: Michael Andrews
> Priority: Minor
> Fix For: 0.17.3
>
> Attachments: DateDelta.java, TmpReaper.java
>
>
> Java implementation of tmpreaper utility for HDFS. Helps when you expect
> processes to die before they can clean up. I have perl unit tests that can
> be ported over to java or groovy if the hadoop team is interested in this
> utility. One issue is that the unit tests set the modification time of test
> files, which is unsupported in HDFS (as far as I can tell).
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