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From Atanu Mishra <atanu.mis...@esgyn.com>
Subject Re: Trafodion Communication protocol with HBase
Date Sat, 12 Sep 2015 16:03:49 GMT
Hi Avinash,

Someone in this distribution list was looking into building Trafodion on
Ubuntu, but I don't know where they are on it. We have not really tried it
in house.

Regards,
Atanu

On Sat, Sep 12, 2015 at 8:14 AM, Anoop Sharma <anoop.sharma@esgyn.com>
wrote:

> Access from trafodion to hbase is done either using
> hbase client apis or hbase coprocessors.
>
> Oliver has already responded to how communication
> is done using coprocessors by Traf transaction manager.
>
>
> Direct access from trafodion to hbase client apis is done in 2 layers.
> The top layer of traf C++ code accesses the lower layer
> of traf code written in Java. This communication is done
> using JNI where values are passed between C++/Java.
> The lower traf layer in java then accesses hbase client code
> using hbase apis in java. Hbase client then communicates
> with hbase region servers.
>
> anoop
>
>
> -----Original Message-----
> From: Avinash Dongre [mailto:dongre.avinash@gmail.com]
> Sent: Saturday, September 12, 2015 12:31 AM
> To: dev@trafodion.incubator.apache.org
> Cc: robert geiger <robert@ampool.io>
> Subject: Re: Trafodion Communication protocol with HBase
>
> Thanks guys appreciate your quick response
>
> Can I build this one on Ubuntu Linux or I have to  stick with centos
>
> Thanks
> Avinash
> On Sep 12, 2015 12:19 PM, "Oliver Bucaojit" <oliver.bucaojit@esgyn.com>
> wrote:
>
> > Hi Avinash,
> >
> > In the Transaction Manager we use Google protobufs to serialize the
> > message.  The RPC mechanism to send this across to HBase is through an
> > endpoint coprocessor.
> >
> > -Oliver
> >
> > On Fri, Sep 11, 2015 at 10:13 PM, Roberta Marton
> > <roberta.marton@esgyn.com
> > >
> > wrote:
> >
> > > We use jni
> > >
> > >    Regards,
> > >    Roberta
> > > On Sep 11, 2015 6:14 PM, "Avinash Dongre" <dongre.avinash@gmail.com>
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > What is the communication mechanism of Trafodion and HBase Is
> > > > Trafodion using JNI or ProtoBuf
> > > >
> > > > Any Document or link would help me to understand more.
> > > >
> > > > Thanks
> > > > Avinash
> > > >
> > >
> >
>



-- 
__________
*Atanu Mishra*
*Esgyn Corporation*
Milpitas, CA 95035
m: +1.408.219.9765

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