Is this a once off data load or something you need to do regularly?

One option you have with RF3 and 3 Nodes is to place a copy of all the SSTables 
on each node and use nodetool refresh to directly load the sstables into the 
node without any streaming. 

> 1. Please can anyone suggest how we can enforce Write Consistency level when 
> using SSTABLELOADER?
Bulk Loader does not use CL, it's more like a repair / bootstrap. 
If you have to skip a node then use repair. 

Cheers

-----------------
Aaron Morton
Freelance Cassandra Consultant
New Zealand

@aaronmorton
http://www.thelastpickle.com

On 30/04/2013, at 1:05 AM, praveen.akun...@wipro.com wrote:

> Hi All, 
> 
> We have a requirement to load approximately 10 million records, each record 
> with approximately 100 columns. We are planning to use the Bulk-loader 
> program to convert the data into SSTables and then load them using 
> SSTABLELOADER. 
> 
> Everything is working fine when all nodes are up and running and the 
> performance is very good. However, when a node is down, the streaming fails 
> and the operation stops. We have to run the SSTABLELOADER with option 'I' to 
> exclude the node that is down. I was wondering if we can enforce Consistency 
> level of 'ANY' with SSTABLELOADER as well. 
> 
> We tried specifying the consistency level 'ANY' at Keyspace level. However, 
> this is not being used by the SSTABLELOADER. It is still looking for all the 
> nodes to be available.
> 
> 1. Please can anyone suggest how we can enforce Write Consistency level when 
> using SSTABLELOADER?
> 
> 2. Will Sqoop be a good option in these scenarios? Do we have any performance 
> stats generated while loading data into Cassandra with Sqoop?
> 
> Environment: 
> 
> Cassandra 1.1.9 provided as part of DSE 3.0
> 3 Nodes
> Replication Factor – 3
> Consistency Level – ANY
>  
> Regards, 
> Praveen
> Wipro Limited (Company Regn No in UK - FC 019088) 
> Address: Level 2, West wing, 3 Sheldon Square, London W2 6PS, United Kingdom. 
> Tel +44 20 7432 8500 Fax: +44 20 7286 5703
> 
> VAT Number: 563 1964 27
> 
> (Branch of Wipro Limited (Incorporated in India at Bangalore with limited 
> liability vide Reg no L99999KA1945PLC02800 with Registrar of Companies at 
> Bangalore, India. Authorized share capital: Rs 5550 mn))
> 
> Please do not print this email unless it is absolutely necessary.
> 
> The information contained in this electronic message and any attachments to 
> this message are intended for the exclusive use of the addressee(s) and may 
> contain proprietary, confidential or privileged information. If you are not 
> the intended recipient, you should not disseminate, distribute or copy this 
> e-mail. Please notify the sender immediately and destroy all copies of this 
> message and any attachments.
> 
> WARNING: Computer viruses can be transmitted via email. The recipient should 
> check this email and any attachments for the presence of viruses. The company 
> accepts no liability for any damage caused by any virus transmitted by this 
> email.
> 
> www.wipro.com
> 

Reply via email to