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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Data Placement Strategy for HDFS
Date Thu, 15 Jan 2015 00:36:57 GMT
https://issues.apache.org/jira/browse/HDFS-7613

Cheers

On Wed, Jan 14, 2015 at 4:35 PM, Fei Hu <hufei68@gmail.com> wrote:

> Hi,
>
> Thank you for your help.
>
> I searched HDFS-7613 by Google and the link
> https://issues.apache.org/jira/issues/?jql=project%20%3D%20HDFS%20AND%20text%20~%20%227613%22
> <https://issues.apache.org/jira/issues/?jql=project%20=%20HDFS%20AND%20text%20~%20%227613%22>,
> but I could not find it.
>
> Could you email me the link? Thank you very much.
>
> Sincerely,
> Fei
>
>
> On Jan 14, 2015, at 5:43 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> Fei:
> You can watch this issue:
> HDFS-7613 Block placement policy for erasure coding groups
>
> the solution there would be helpful to us.
>
> Cheers
>
> On Wed, Jan 14, 2015 at 11:04 AM, Fei Hu <hufei68@gmail.com> wrote:
>
>> Thank you for your quick response.
>>
>> After reading the materials you recommended, my conclusion is that Hadoop
>> does not provide interface to customize the data placement policy. We need
>> to add some codes to the source package of HDFS. Is that right?
>>
>> Thanks,
>> Fei
>>
>> On Tue Jan 13 2015 at 10:42:27 PM Ted Yu <yuzhihong@gmail.com> wrote:
>>
>>> See this thread: http://search-hadoop.com/m/lAh9i28K7
>>>
>>> See also HDFS-7228
>>>
>>> Cheers
>>>
>>> On Tue, Jan 13, 2015 at 7:33 PM, Fei Hu <hufei68@gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> I want to customize the data placement strategy rather than using the
>>>> default strategy in HDFS. Is there any way to control which datanode the
>>>> replica is delivered to?
>>>>
>>>> Thank you in advance.
>>>>
>>>> Best regards,
>>>> Fei
>>>
>>>
>>>
>
>

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