Re: Questions about the nodetool ring.

2011-04-12 Thread aaron morton
If you are seeing a different views of the ring from different nodes you may have some sickness http://www.datastax.com/docs/0.7/troubleshooting/index#view-of-ring-differs-between-some-nodes The "?" in the ring output happens when one node does not know if the other is alice or dead. This could

Re: Questions about the nodetool ring.

2011-04-12 Thread Jonathan Colby
when you do a move, the node is decommissioned and bootstrapped. During the autobootstrap process the node will not receive reads until bootstrapping is complete. I assume during the decommission phase the node will also be unavailable, someone correct me if I'm wrong. the ring distribution l

Re: Questions about the nodetool ring.

2011-04-12 Thread Dikang Gu
After the nodetool move, I got this: [root@server3 apache-cassandra-0.7.4]# bin/nodetool -h 10.18.101.213 ring Address Status State LoadOwnsToken 113427455640312821154458202477256070485 10.18.101.211 ? Normal 82.31 MB33.33% 0 10.18.101.212 ? No

Re: Questions about the nodetool ring.

2011-04-12 Thread Dikang Gu
The 3 nodes were added to the cluster at the same time, so I'm not sure whey the data vary. I calculate the tokens and get: node 0: 0 node 1: 56713727820156410577229101238628035242 node 2: 113427455640312821154458202477256070485 So I should set these tokens to the three nodes? And during the tim

Re: Questions about the nodetool ring.

2011-04-12 Thread Jonathan Colby
This is "normal" when you just add single nodes. When no token is assigned, the new node takes a portion of the ring from the most heavily loaded node. As a consequence of this, the nodes will be out of balance. In other words, when you double the amount nodes you would not have this probl

Questions about the nodetool ring.

2011-04-12 Thread Dikang Gu
I have 3 cassandra 0.7.4 nodes in a cluster, and I get the ring stats: [root@yun-phy2 apache-cassandra-0.7.4]# bin/nodetool -h 192.168.1.28 -p 8090 ring Address Status State LoadOwnsToken 109028275973926493413574716008500203721 192.168.1.25Up Normal 157.25 MB