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From CB <cbalw...@gmail.com>
Subject Re: file permission issue
Date Wed, 19 Oct 2016 13:05:41 GMT
Thanks Ravi,

That's very helpful.

- Chansup

On Mon, Oct 17, 2016 at 6:36 PM, Ravi Prakash <ravihadoop@gmail.com> wrote:

> Hi!
>
> https://github.com/apache/hadoop/blob/trunk/hadoop-yarn-
> project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-
> server-nodemanager/src/main/java/org/apache/hadoop/yarn/
> server/nodemanager/containermanager/localizer/ResourceLocalizationService.
> java#L1524
>
> Just fyi, there are different kinds of distributed cache:
> http://hortonworks.com/blog/resource-localization-in-yarn-deep-dive/
> Here's a good article from Vinod.
>
> HTH
> Ravi
>
> On Mon, Oct 17, 2016 at 7:56 AM, CB <cbalways@gmail.com> wrote:
>
>> Hi,
>>
>> I'm running Hadoop 2.7.1 release.
>> While I'm running a MapReduce job, I've encountered a file permission
>> issue as shown below because I'm working in an environment running Linux
>> where world permissions bits are disabled.
>>
>> 2016-10-14 15:51:45,333 INFO org.apache.hadoop.yarn.server.
>> nodemanager.containermanager.localizer.ResourceLocalizationService:
>> Writing credentials to the nmPrivate file /state/partition1/hadoop/nm-lo
>> cal-dir/nmPrivate/container_1476470591621_0004_02_000001.tokens.
>> Credentials list:
>>
>> 2016-10-14 15:51:45,375 WARN org.apache.hadoop.yarn.server.
>> nodemanager.containermanager.localizer.ResourceLocalizationService:
>> Permissions incorrectly set for dir /state/partition1/hadoop/nm-local-dir/usercache,
>> should be rwxr-xr-x, actual value = rwxr-x---
>>
>> Does any one have any suggestions to work around the issue for a single
>> user environment, where one user can running all the services and run the
>> Map-reduce jobs?
>>
>> I'm not familiar with the source code but if you suggest me where to
>> modify to relax the check, it would be appreciated.
>>
>> Thanks,
>> - Chansup
>>
>>
>

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