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From: Aaron Morton <aaron@thelastpickle.com>
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Subject: Re: Multiple writers writing to a cassandra node...
Date: Fri, 29 Nov 2013 14:55:41 +1300
References: 
 <CAHUe4wCzNKyf4XeE4oUreDiGWP8koJ-SptudcxfZfgjzTneefw@mail.gmail.com>
To: Cassandra User <user@cassandra.apache.org>
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 <CAHUe4wCzNKyf4XeE4oUreDiGWP8koJ-SptudcxfZfgjzTneefw@mail.gmail.com>


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>    I am a newbie to the Cassandra world. I would like to know if its =
possible for two different nodes to write to a single Cassandra node
>=20
Yes.=20

>  Currently, I am getting a IllegalRequestException, what (): Default =
TException on the first system,=20
>=20
>=20
What is the full error stack ?=20


> Occasionally, also hitting "frame size has negative value" thrift =
exception when the traffic is high and packets are getting stored very =
fast.
>=20
>=20
On the client or the server ? Can you post the full error stack ?=20

> Currently using Cassandra 2.0.0 with libQtCassandra library.
>=20
>=20
Please upgrade to 2.0.3.=20

Cheers

-----------------
Aaron Morton
New Zealand
@aaronmorton

Co-Founder & Principal Consultant
Apache Cassandra Consulting
http://www.thelastpickle.com

On 26/11/2013, at 4:42 am, Krishna Chaitanya <bnsk1990rulz@gmail.com> =
wrote:

> Hello,
>    I am a newbie to the Cassandra world. I would like to know if its =
possible for two different nodes to write to a single Cassandra node. I =
have a packet collector software which runs in two different systems. I =
would like both of them to write the packets to a single node(same =
keyspace and columnfamily). Currently using Cassandra 2.0.0 with =
libQtCassandra library.
>                              Currently, I am getting a =
IllegalRequestException, what (): Default TException on the first =
system,  the moment I try to store from the second system, but the =
second system works fine. When I restart the program on the first =
system, the second system gets the exception and the first one works =
fine. Occasionally, also hitting "frame size has negative value" thrift =
exception when the traffic is high and packets are getting stored very =
fast.
>   Can someone please point out what I am doing wrong?  Thanks in =
advance..
>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Diso-8859-1"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><blockquote type=3D"cite"><p>&nbsp; &nbsp;I am a =
newbie to the Cassandra world. I would like to know if its possible for =
two different nodes to write to a single Cassandra =
node</p></blockquote><div>Yes.&nbsp;</div><div><br></div><div><blockquote =
type=3D"cite"><p>&nbsp;Currently, I am getting a =
IllegalRequestException, what (): Default TException on the first =
system,&nbsp;</p><div><br></div></blockquote>What is the full error =
stack ?&nbsp;</div><div><br></div><div><br></div><div><blockquote =
type=3D"cite"><p>Occasionally, also hitting "frame size has negative =
value" thrift exception when the traffic is high and packets are getting =
stored very fast.</p><div><br></div></blockquote>On the client or the =
server ? Can you post the full error stack =
?&nbsp;</div><div><br></div><div><blockquote type=3D"cite"><p>Currently =
using Cassandra 2.0.0 with libQtCassandra =
library.</p><div><br></div></blockquote>Please upgrade to =
2.0.3.&nbsp;</div><div><br></div><div>Cheers</div><div><br></div><div =
apple-content-edited=3D"true">
<div style=3D"color: rgb(0, 0, 0); font-family: Helvetica;  font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; orphans: 2; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; widows: 2; =
word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
"><div>-----------------</div><div>Aaron Morton</div><div>New =
Zealand</div><div>@aaronmorton</div><div><br></div><div>Co-Founder &amp; =
Principal Consultant</div><div>Apache Cassandra Consulting</div><div><a =
href=3D"http://www.thelastpickle.com">http://www.thelastpickle.com</a></di=
v></div>
</div>
<br><div><div>On 26/11/2013, at 4:42 am, Krishna Chaitanya &lt;<a =
href=3D"mailto:bnsk1990rulz@gmail.com">bnsk1990rulz@gmail.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><p>Hello,<br>
&nbsp;&nbsp; I am a newbie to the Cassandra world. I would like to know =
if its possible for two different nodes to write to a single Cassandra =
node. I have a packet collector software which runs in two different =
systems. I would like both of them to write the packets to a single =
node(same keyspace and columnfamily). Currently using Cassandra 2.0.0 =
with libQtCassandra library.<br>

=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; Currently, I am getting a IllegalRequestException, =
what (): Default TException on the first system,&nbsp; the moment I try =
to store from the second system, but the second system works fine. When =
I restart the program on the first system, the second system gets the =
exception and the first one works fine. Occasionally, also hitting =
"frame size has negative value" thrift exception when the traffic is =
high and packets are getting stored very fast.<br>

&nbsp; Can someone please point out what I am doing wrong?&nbsp; Thanks =
in advance..</p>
</blockquote></div><br></body></html>=

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