, 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...
> >
>
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.
: 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 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
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
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
:-)
>
>
> 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
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
t; Date: Thursday, September 22, 2011 10:13 am
> Subject: Can we replace namenode machine with some other machine ?
> To: common-user@hadoop.apache.org
>
> > Hi all,
> >
> > Can we replace our namenode machine later with some other machine. ?
> > Actually I got a ne
n.
Regards,
Uma
- Original Message -
From: praveenesh kumar
Date: Thursday, September 22, 2011 10:13 am
Subject: Can we replace namenode machine with some other machine ?
To: common-user@hadoop.apache.org
> Hi all,
>
> Can we replace our namenode machine later with some other machine.
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 configuration needs to be better
than datanodes/taskt
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