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From Jeff Kubina <jeff.kub...@gmail.com>
Subject Re: Question about configuring the linux niceness of tablet servers?
Date Mon, 17 Aug 2015 22:01:38 GMT
More like a mapreduce task process.

-- 
Jeff Kubina
410-988-4436


On Mon, Aug 17, 2015 at 5:33 PM, William Slacum <wslacum@gmail.com> wrote:

> By "Hadoop" do you mean a Yarn NodeManager process?
>
> On Mon, Aug 17, 2015 at 4:21 PM, Jeff Kubina <jeff.kubina@gmail.com>
> wrote:
>
>> On each of the processing nodes in our cluster we have running 1) HDFS
>> (datanode), 2) Accumulo (tablet server), and 3) Hadoop. Since Accumulo
>> depends on the HDFS, and Hadoop depends on the HDFS and sometimes on
>> Accumulo, we are considering setting the niceness of HDFS to 0 (the current
>> value), Accumulo to 1, and Hadoop to 2 on each of the nodes. The objective
>> is to improve the real time performance of Accumulo.
>>
>> Does anyone have experience configuring their cluster in a similar manner
>> that they can share?  Are there any serious cons to doing this?
>>
>>
>

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