btw, the nodes are a tad out of balance was that deliberate ? 

http://wiki.apache.org/cassandra/Operations#Token_selection
http://wiki.apache.org/cassandra/Operations#Load_balancing


Aaron

On 10 Apr 2011, at 08:44, Ed Anuff wrote:

> Sounds like the problem might be on the hector side.  Lots of hector
> users on this list, but usually not a bad idea to ask on
> hector-us...@googlegroups.com (cc'd).
> 
> The jetty servers stopping responding is a bit vague, somewhere in
> your logs is an error message that should shed some light on where
> things are going awry.  If you can find the exception that's being
> thrown in hector and post that, it'd make it much easier to help you
> out.
> 
> Ed
> 
> On Sat, Apr 9, 2011 at 12:11 PM, Vram Kouramajian
> <vram.kouramaj...@gmail.com> wrote:
>> The hector clients are used as part of our jetty servers. And, the
>> jetty servers stop responding when one of the Cassandra nodes go down.
>> 
>> Vram
>> 
>> On Sat, Apr 9, 2011 at 11:54 AM, Joe Stump <j...@joestump.net> wrote:
>>> Did the Cassandra cluster go down or did you start getting failures from 
>>> the client when it routed queries to the downed node? The key in the client 
>>> is to keep working around the ring if the initial node is down.
>>> 
>>> --Joe
>>> 
>>> On Apr 9, 2011, at 12:52 PM, Vram Kouramajian wrote:
>>> 
>>>> We have a 5 Cassandra nodes with the following configuration:
>>>> 
>>>> Casandra Version: 0.6.11
>>>> Number of Nodes: 5
>>>> Replication Factor: 3
>>>> Client: Hector 0.6.0-14
>>>> Write Consistency Level: Quorum
>>>> Read Consistency Level: Quorum
>>>> Ring Topology:
>>>>   Owns    Range                                      Ring
>>>> 
>>>> 132756707369141912386052673276321963528
>>>> 192.168.89.153Up         4.15 GB       33.87%
>>>> 20237398133070283622632741498697119875     |<--|
>>>> 192.168.89.155Up         5.17 GB       18.29%
>>>> 51358066040236348437506517944084891398     |   ^
>>>> 192.168.89.154Up         7.41 GB       33.97%
>>>> 109158969152851862753910401160326064203    v   |
>>>> 192.168.89.152Up         5.07 GB       6.34%
>>>> 119944993359936402983569623214763193674    |   ^
>>>> 192.168.89.151Up         4.22 GB       7.53%
>>>> 132756707369141912386052673276321963528    |-->|
>>>> 
>>>> We believe that our setup should survive the crash of one of the
>>>> Cassandra nodes. But, we had few crashes and the system stopped
>>>> functioning until we brought back the Cassandra nodes.
>>>> 
>>>> Any clues?
>>>> 
>>>> Vram
>>> 
>>> 
>> 

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