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rack awareness question
Mag Gam 2010-04-10, 14:33
Lets say I had a mapping like this,
192.168.0.2 -> /rackdefault
I would now like to map
192.168.0.2 -> /rack02
What is the procedure to do this? is this possible to do while the
cluster is running?
TIA
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Mag Gam 2010-04-10, 14:33
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Re: rack awareness question
Allen Wittenauer 2010-04-12, 00:30
On Apr 10, 2010, at 7:33 AM, Mag Gam wrote:
> What is the procedure to do this?
Change the topology script, bounce NN and JT.
> is this possible to do while the
> cluster is running?
No. There is a jira i filed on turning the cache into an actual cache w/TTLs, etc.
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Allen Wittenauer 2010-04-12, 00:30
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Jeff Hammerbacher 2010-04-12, 01:28
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Re: rack awareness question
Robert Barta 2010-04-12, 06:05
On Sun, Apr 11, 2010 at 06:28:34PM -0700, Jeff Hammerbacher wrote: > > No. There is a jira i filed on turning the cache into an actual cache > > w/TTLs, etc. > > > https://issues.apache.org/jira/browse/HDFS-870, for those who like > hyperlinks. Links are always appreciated as I feed here my semantic network about MapReduce/Hadoop/... with them: http://tmip.devc.at/test/mapreduce/.surface/x3/seadragon.htmlSo if you have the feeling that your favourite tool is underrepresented there, feel free to provide me with more material. \rho
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Robert Barta 2010-04-12, 06:05
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Re: rack awareness question
Allen Wittenauer 2010-04-12, 18:21
On Apr 11, 2010, at 6:28 PM, Jeff Hammerbacher wrote: >> No. There is a jira i filed on turning the cache into an actual cache >> w/TTLs, etc. > > > https://issues.apache.org/jira/browse/HDFS-870, for those who like > hyperlinks. Thank you for supporting my laziness. ;)
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Allen Wittenauer 2010-04-12, 18:21
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Re: rack awareness question
Mag Gam 2010-04-13, 04:56
Thanks again. You have been very helpful... On Mon, Apr 12, 2010 at 2:21 PM, Allen Wittenauer <[EMAIL PROTECTED]> wrote: > > On Apr 11, 2010, at 6:28 PM, Jeff Hammerbacher wrote: > >>> No. There is a jira i filed on turning the cache into an actual cache >>> w/TTLs, etc. >> >> >> https://issues.apache.org/jira/browse/HDFS-870, for those who like >> hyperlinks. > > Thank you for supporting my laziness. ;) > >
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Mag Gam 2010-04-13, 04:56
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Re: rack awareness question
Mag Gam 2010-04-12, 11:37
Thanks.
What is 'JT'? JobTracker?
On Sun, Apr 11, 2010 at 8:30 PM, Allen Wittenauer
<[EMAIL PROTECTED]> wrote:
>
> On Apr 10, 2010, at 7:33 AM, Mag Gam wrote:
>> What is the procedure to do this?
>
> Change the topology script, bounce NN and JT.
>
>
>> is this possible to do while the
>> cluster is running?
>
> No. There is a jira i filed on turning the cache into an actual cache w/TTLs, etc.
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Mag Gam 2010-04-12, 11:37
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