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From Manthosh Kumar T <manth...@gmail.com>
Subject Re: Geographically distant client
Date Thu, 03 Apr 2014 14:09:32 GMT
Hi Jean,
          Thanks. I might sound a bit lame. Can you just elaborate on the
gateway part?. What is the best practice?


On 3 April 2014 19:30, Jean-Marc Spaggiari <jean-marc@spaggiari.org> wrote:

> Efficient? Probably not ;) But it's like if you are connecting your client
> app to a webserver local to the cluster and then the webserver connects to
> the cluster.
>
> I don't like the idea of having the cluster accessible from the outsite and
> usuall prefer to have kind of a gateway, but that's your call.
>
> You efficiency will mainly depend on the RPC calls you are doing. If you
> send or retreive big bunch of data at a time should not be that bad. But if
> you get cells one by one and send edits one by one, might not be very good.
>
> JM
>
>
> 2014-04-03 9:57 GMT-04:00 Manthosh Kumar T <manthosh@gmail.com>:
>
> > Is that a good idea even if I don't have a VPN??. Will it be efficient
> in a
> > fairly good connection?
> >
> >
> > On 3 April 2014 19:25, Jean-Marc Spaggiari <jean-marc@spaggiari.org>
> > wrote:
> >
> > > I will say, remote client connecting to a cluster is fine. But a
> cluster
> > > spread over multiple physical sites is not at all a good idea.
> > >
> > >
> > > 2014-04-03 9:28 GMT-04:00 Manthosh Kumar T <manthosh@gmail.com>:
> > >
> > > > Pardon me if I miss anything, like any network issues
> > > >
> > > >
> > > > On 3 April 2014 18:57, Manthosh Kumar T <manthosh@gmail.com> wrote:
> > > >
> > > > > I mean directly interacting with the remote zookeeper. Say I'm able
> > to
> > > > > access the zk server and hbase server externally.
> > > > >
> > > > >
> > > > > On 3 April 2014 18:54, Ted Yu <yuzhihong@gmail.com> wrote:
> > > > >
> > > > >> Regions hosted by the server may be moved to other servers.
> > > > >>
> > > > >> Can you clarify what you meant by directly writing to the server
?
> > > > >>
> > > > >> Thanks
> > > > >>
> > > > >> On Apr 3, 2014, at 5:59 AM, Manthosh Kumar T <manthosh@gmail.com>
> > > > wrote:
> > > > >>
> > > > >> > Hi All,
> > > > >> >         I have around 20-30 geographically distant clients
that
> > need
> > > > to
> > > > >> > write data to a centralized HBase server. I have dedicated
VPN
> for
> > > the
> > > > >> > communication and hence bandwidth won't be a issue. is it
a good
> > > idea
> > > > to
> > > > >> > make the clients directly send data to the centralized server?.
> > Or a
> > > > >> > geographically distributed Hadoop cluster is more efficient
for
> > this
> > > > >> > scenario? Has anybody come across such use case?. Need
> suggestions
> > > on
> > > > >> the
> > > > >> > viability and efficiency of the setup to follow
> > > > >> >
> > > > >> > --
> > > > >> > Cheers,
> > > > >> > Manthosh Kumar. T
> > > > >>
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Cheers,
> > > > > Manthosh Kumar. T
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Cheers,
> > > > Manthosh Kumar. T
> > > >
> > >
> >
> >
> >
> > --
> > Cheers,
> > Manthosh Kumar. T
> >
>



-- 
Cheers,
Manthosh Kumar. T

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