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From sam liu <samliuhad...@gmail.com>
Subject Re: What codes to chmod 755 to "yarn.nodemanager.log-dirs"?
Date Fri, 25 Apr 2014 15:42:46 GMT
My version is 2.1.0 and the cluster uses DefaultContainerExecutor. Is it
possible that DefaultContainerExecutor change the permission of existing
nodemanager log-dir to 755?


2014-04-25 0:54 GMT+08:00 Vinod Kumar Vavilapalli <vinodkv@apache.org>:

>
> Which version of Hadoop are you using? This part of code changed a little,
> so asking.
>
> Also, is this in secure or non-secure mode (DefaultContainerExecutor vs
> LinuxContainerExecutor)? Either of those two classes do some more
> permission magic and you may be running into those.
>
> +Vinod
> Hortonworks Inc.
> http://hortonworks.com/
>
> On Thu, Apr 24, 2014 at 9:05 AM, sam liu <samliuhadoop@gmail.com> wrote:
>
>> Hi Experts,
>>
>> When the nodemanager log-dirs not exists, I think
>> LocalDirsHandlerService#serviceInit will invoke
>> DirectoryCollection#createDir to create the log dirs, and chmod 755 to it.
>>
>> However, when nodemanager log-dirs already exists and with a non 755
>> permission(like 775), I found its permission will still be changed to 755,
>> after starting nodemanager. But, I do not think
>> DirectoryCollection#createDir did that operation.
>>
>> What codes to chmod 755 to "yarn.nodemanager.log-dirs"?
>>
>>
>
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