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From "Sebastian Nagel (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (NUTCH-2161) Interrupted failed and/or killed tasks fail to clean up temp directories in HDFS
Date Thu, 10 May 2018 12:59:00 GMT

     [ https://issues.apache.org/jira/browse/NUTCH-2161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sebastian Nagel resolved NUTCH-2161.
------------------------------------
    Resolution: Duplicate

It was part of NUTCH-2518 to make sure that data is removed if the job is killed (\{{hadoop
job -kill ...}}). If the job client is killed - the Java program which has launched the job(s)
- no clean-up can be done. Hadoop allows to setup users and quota to limit the amount of forgotten
data.

> Interrupted failed and/or killed tasks fail to clean up temp directories in HDFS
> --------------------------------------------------------------------------------
>
>                 Key: NUTCH-2161
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2161
>             Project: Nutch
>          Issue Type: Bug
>    Affects Versions: 1.11
>            Reporter: Lewis John McGibbney
>            Priority: Major
>             Fix For: 1.15
>
>
> If for example one kills an inject or generate job, Nutch does not clean up 'temporary'
directories and I have witnessed them remain within HDFS. This is far from ideal if we have
a large team of users all hammering away on Yarn and persisting data into HDFS.
> We should investigate how to clean up these directories such that a cluster admin is
not left with all of the dross at the end of the long day ;)



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