You copy the same installations to new machine and change ip address.
After that configure the new NN addresses to your clients and DNs.
>Also Does Namenode/JobTracker machine's configuration needs to be better
>than datanodes/tasktracker's ??
I did not get this question.
Regards,
Uma
- Ori
If I just change configuration settings in slave machines, Will it effect
any of the data that is currently residing in the cluster ??
And my second question was...
Do we need the master node (NN/JT hosting machine) to have good
configuration than our slave machines(DN/TT hosting machines).
Actua
kumar
Date: Thursday, September 22, 2011 10:42 am
Subject: Re: Can we replace namenode machine with some other machine ?
To: common-user@hadoop.apache.org
> If I just change configuration settings in slave machines, Will it
> effectany of the data that is currently residing in the c
:-)
>
>
> Regards,
> Uma
> - Original Message -
> From: praveenesh kumar
> Date: Thursday, September 22, 2011 10:42 am
> Subject: Re: Can we replace namenode machine with some other machine ?
> To: common-user@hadoop.apache.org
>
> > If I just change configurat
uide. All this details has been documented very well.
Regards,
Uma
- Original Message -
From: praveenesh kumar
Date: Thursday, September 22, 2011 11:45 am
Subject: Re: Can we replace namenode machine with some other machine ?
To: common-user@hadoop.apache.org
> But apart from storing m
On Thu, Sep 22, 2011 at 11:44 AM, praveenesh kumar wrote:
> But apart from storing metadata info, Is there anything more NN/JT machines
> are doing ?? .
> So I can say I can survive with poor NN if I am not dealing with lots of
> files in HDFS ?
The JT and NN are your central throughput machines
On 22/09/11 05:42, praveenesh kumar wrote:
Hi all,
Can we replace our namenode machine later with some other machine. ?
Actually I got a new server machine in my cluster and now I want to make
this machine as my new namenode and jobtracker node ?
Also Does Namenode/JobTracker machine's configur
: Re: Can we replace namenode machine with some other machine ?
>
> On 22/09/11 05:42, praveenesh kumar wrote:
> > Hi all,
> >
> > Can we replace our namenode machine later with some other machine. ?
> > Actually I got a new server machine in my cluster and now I want to ma
On 22/09/11 17:13, Michael Segel wrote:
I agree w Steve except on one thing...
RAID 5 Bad. RAID 10 (1+0) good.
Sorry this goes back to my RDBMs days where RAID 5 will kill your performance
and worse...
sorry, I should have said RAID >=5. The main thing is you don't want the
NN data lost.
, 22 Sep 2011 17:18:55 +0100
> From: ste...@apache.org
> To: common-user@hadoop.apache.org
> Subject: Re: Can we replace namenode machine with some other machine ?
>
> On 22/09/11 17:13, Michael Segel wrote:
> >
> > I agree w Steve except on one thing...
> >
>
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