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From SSam <>
Subject Re: Cassandra Horizontal Scalability
Date Mon, 26 Jul 2010 16:26:15 GMT

I have fully separated gigabit  private subnet. 
I am using  pelops cassandra java client with 150 client pool. 

From: Paul Prescod <>
Sent: Mon, July 26, 2010 12:21:06 PM
Subject: Re: Cassandra Horizontal Scalability

There are a lot of variables that go into a proper benchmark. The bottleneck 
could be in many different places.

How many client threads are you using? What kind of network? 

On Mon, Jul 26, 2010 at 8:29 AM, SSam <> wrote:

>>From Cassandra Website:
>	* Elastic 
>Read and write throughput both increase linearly as new machines  are added, 
>with no downtime or interruption to applications. 
>I am testing TPS with Cassandra cluster.  
>Initially I have tested with one node cluster , got 1300 TPS,   
>added another node and I got 1200 TPS with 2 node cluster.  
>TPS supposed to increase  with every additional node.  I am not sure what I am 
>doing wrong?   Any suggestions on Cassandra Scalability? 

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