No, changes to /etc/security/limits.conf take effect on the next LOGIN of
the user in question.
ie: login sessions and the processes created by those login sessions use the
contents of the /etc/security/limits.conf that was in effect at the time of
login.
Change the file, log out and log back in a
The usual cause in this case is a shortage of file descriptors.
Either through application leakage or just to few available to the server
processes such as the Datanode and the Tasktracker.
Try upping the limit to something huge like 500,000
Set the hard and soft limit in /etc/security/limits.conf
The no log messages for 3 hours reminds me of an odd OS level failure that
would happen on some machines.
The underlying host file system would get into a deadlock state, and the
hadoop processes would attempt to write a log message and hang.
The first noticeable symptom of this is that the machine
I agree with billy. conf/masters is misleading as the place for secondary
namenodes.
On Thu, May 14, 2009 at 8:38 PM, Billy Pearson
wrote:
> I thank the secondary namenode is set in the masters file in the conf
> folder
> misleading
>
> Billy
>
>
>
> "Rakhi Khatwani" wrote in message
> news:3848
we have two master in the master file we have master and secondary
> node, *both *processes getting started on the two servers listed. Cant we
> have master and secondary node started seperately on two machines??
>
> On Fri, May 15, 2009 at 9:39 AM, jason hadoop >wrote:
>
> &
My book has a small section on setting up under windows.
The key piece is that you must have a cygwin installation on the machine,
and include the cygwin installation's bin directory in your windows system
PATH environment variable. (Control Panel|System|Advanced|Environment
Variables|System varia
The hadoop scripts must be run from the cygin bash shell also.
It is MUCH simpler to just switch to linux :)
On Thu, Jun 11, 2009 at 6:54 AM, jason hadoop wrote:
> My book has a small section on setting up under windows.
>
> The key piece is that you must have a cygwin installati
base
> that hadoop does hbase is well suited for every large application like
> auction website or very community forum
>
> thx
>
> 2009/6/11 Alexandre Jaquet
>
> > Thanks I run yet to buy your ebook !
> >
> > 2009/6/11 jason hadoop
> >
>
il I provided.
>
> One more question, does hbase provide a ConnectionFactory or SessionFactory
> that can be integrated within Spring ?
>
> Thanks
>
> 2009/6/11 jason hadoop
>
> > I don't know the password for that, you will need to contact apress
> > suppo
Is there a requirement for hadoop 0.20 for HBase 0.20?
On Wed, Jun 17, 2009 at 1:44 AM, Andrew Purtell wrote:
> Minor correction/addition: "Stargate" is undergoing shared development in
> two github trees:
> http://github.com/macdiesel/stargate/tree/master
> http://github.com/apurtell/s
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