Re: stress.py

Finally I able to configure and run this program on my 3 node cluster. #python stress.py -n 20 -t 200 -d 172.16.7.76,172.16.7.77,172.16.7.78 -o read total,interval_op_rate,avg_latency,elapsed_time 83664,8366,0.0278478825376,10 145478,6181,0.0295496694395,20 177409,3193,0.027055770029,30

Re: stress.py

This url got simple steps to create cluster and stress testing setup also. http://www.coreyhulen.org/category/cassandra/ From: SSam To: user@cassandra.apache.org Sent: Wed, August 4, 2010 7:02:24 PM Subject: Re: stress.py Thanks for the reply, Issue

Re: stress.py

Thanks for the reply, Issue resolved, thift site-packages/thrift/transport/TTransport.py not in proper path. I have updated Python PATH , stress.py worked without any issues. From: Peter Schuller To: user@cassandra.apache.org Sent: Wed, August 4, 20

Re: stress.py

token `(' ./stress.py: line 46: `L = os.path.abspath(__file__).split(os.path.sep)[:-3]' From: SSam To: user@cassandra.apache.org Sent: Wed, August 4, 2010 6:04:49 PM Subject: Re: stress.py Peter, Thank you so much for reply. I am not much familiar with p

Re: stress.py

File "stress.py", line 36, in from thrift.transport import TTransport ImportError: No module named thrift.transport --- Thanks, SSam From: Peter Schuller To: user@cassandra.apache.org Sent: Wed, August 4,

stress.py

Can somebody please give steps to run cassandra stess.py program.

Re: Cassandra Horizontal Scalability

the server configurations? How much data are nodes carrying? What does the output of ./nodetool cfstats say? What version of cassandra are you running? Are there errors in the server logs? Bill On Mon, 2010-07-26 at 09:26 -0700, SSam wrote: > > I have fully separated gigabit private subnet. >

Re: Cassandra Horizontal Scalability

not cause the old nodes to speed up. Also, 1300 reqs/sec is extremely slow, so something else is likely wrong, as well. 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 ar

Re: Cassandra Horizontal Scalability

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

Cassandra Horizontal Scalability

>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