Correct way to set ByteOrderedPartitioner initial tokens

2013-03-06 Thread Mateus Ferreira e Freitas
I have 4 Nodes, and I'd like to store all keys starting with 'a' on node 1, 'b' on 2, and so on.My keys just start with a letter and numbers follow, like 'a150', 'b1','c32000'.I've set the initial tokens to 61ff, 62ff ,63ff, 64ff .This does not seem to be the correct way.Thanks.

Re: Correct way to set ByteOrderedPartitioner initial tokens

2013-03-06 Thread aaron morton
I have 4 Nodes, and I'd like to store all keys starting with 'a' on node 1, 'b' on 2, and so on. Can I ask why ? In general you *really* dont want to use the ByteOrderedPartitioner. If you are starting out, you will have a happier time if you start with the Random Partitioner. If you want

Re: need help with choosing correct tokens for ByteOrderedPartitioner

2011-11-28 Thread Piavlo
Anyone can help with this? Thanks On 11/24/2011 11:55 AM, Piavlo wrote: Hi, We need help with choosing correct tokens for ByteOrderedPartitioner Originally the key where supposed to be member_id-mmdd but since we need to male rage scans on same member_id and varying date ranges

Re: need help with choosing correct tokens for ByteOrderedPartitioner

2011-11-28 Thread Benoit Perroud
You may want to add 29991231 instead of appending. Le lundi 28 novembre 2011, Piavlo lolitus...@gmail.com a écrit : Anyone can help with this? Thanks On 11/24/2011 11:55 AM, Piavlo wrote: Hi, We need help with choosing correct tokens for ByteOrderedPartitioner Originally the key where

Re: need help with choosing correct tokens for ByteOrderedPartitioner

2011-11-28 Thread Piavlo
ranges - then two md5(member_id1) md5(member_id2) end up very close so using md5(member_id1)+mmdd md5(member_id2)+mmdd will cause range overlaps with ByteOrderedPartitioner. Thanks Alex Le lundi 28 novembre 2011, Piavlo lolitus...@gmail.com mailto:lolitus...@gmail.com a écrit

need help with choosing correct tokens for ByteOrderedPartitioner

2011-11-24 Thread Piavlo
Hi, We need help with choosing correct tokens for ByteOrderedPartitioner Originally the key where supposed to be member_id-mmdd but since we need to male rage scans on same member_id and varying date ranges mmdd we decided to use ByteOrderedPartitioner, so we need that same member

ByteOrderedPartitioner token generation

2011-10-05 Thread Masoud Moshref Javadi
I need to insert a large amount of data to Cassandra cluster in a short time. So I want the interaction among Cassandra servers be minimum. I think that the best way to do this is to use ByteOrderedPartitioner and generate ID of new data based on the InitialToken of servers and send data

Re: ByteOrderedPartitioner token generation

2011-10-05 Thread aaron morton
Cassandra servers be minimum. I think that the best way to do this is to use ByteOrderedPartitioner and generate ID of new data based on the InitialToken of servers and send data to the corresponding server from the webserver. Am I right? Now my question is if I have some data ranging from 1

Re: ByteOrderedPartitioner

2011-09-18 Thread aaron morton
- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 17/09/2011, at 11:25 AM, Daning Wang wrote: How is the performance of ByteOrderedPartitioner, compared to RandomPartitioner? the perforamnce when getting data with single key, does it use same

ByteOrderedPartitioner

2011-09-16 Thread Daning Wang
How is the performance of ByteOrderedPartitioner, compared to RandomPartitioner? the perforamnce when getting data with single key, does it use same algorithm? I have read that the downside of ByteOrderedPartitioner is creating hotspot. But if I have 4 nodes and I set RF to 4, that will replicate

set up a cassandra cluster with ByteOrderedPartitioner using whirr?

2011-06-07 Thread Khanh Nguyen
Hi, I'm struggling to set up a cassandra cluster with ByteOrderedPartitioner using whirr. (I'm not sure if the issue is caused by Cassandra or Whirr so I cc-ed both lists). Here are the steps I took - use whirr to lauch a cassandra (version 0.8) cluster - ssh into each instances and do 1) kill

Re: set up a cassandra cluster with ByteOrderedPartitioner using whirr?

2011-06-07 Thread Edward Capriolo
On Tue, Jun 7, 2011 at 10:57 AM, Khanh Nguyen nguyen.h.kh...@gmail.comwrote: Hi, I'm struggling to set up a cassandra cluster with ByteOrderedPartitioner using whirr. (I'm not sure if the issue is caused by Cassandra or Whirr so I cc-ed both lists). Here are the steps I took - use whirr

Re: Generating tokens for Cassandra cluster with ByteOrderedPartitioner

2011-01-27 Thread aaron morton
:35, Matthew Tovbin wrote: Hey, Can anyone suggest me how to manually generate tokens for Cassandra 0.7.0 cluster, while ByteOrderedPartitioner is being used? Thanks in advance. -- Best regards, Matthew Tovbin.

Generating tokens for Cassandra cluster with ByteOrderedPartitioner

2011-01-26 Thread Matthew Tovbin
Hey, Can anyone suggest me how to manually generate tokens for Cassandra 0.7.0 cluster, while ByteOrderedPartitioner is being used? Thanks in advance. -- Best regards, Matthew Tovbin.

Range scan returns more results then expected (Using ByteOrderedPartitioner)

2011-01-24 Thread Maxim Veksler
Hello, Cassandra is configure as following: conf/cassandra.yaml | grep 'partitioner:' partitioner: org.apache.cassandra.dht.ByteOrderedPartitioner Why yet doing range query on part of the key return more results then expected (column, CF and keyspace names masked): [default@KEYSPACE] list

Re: Range scan returns more results then expected (Using ByteOrderedPartitioner)

2011-01-24 Thread Aaron Morton
It's not pattern matching, it's comparing / ordering the byte values. You are asking to return 100 keys in ascending order where the value of the key (after the partitioner has been applied) is greater than "1_265_8_12"If you want to do a seek and partial scan, you could use an end value in the