Re: Data backup and restore

2012-11-30 Thread Tyler Hobbs
The nodetool snapshot command has keyspace and column family options (from nodetool --help): snapshot [keyspaces...] -cf [columnfamilyName] -t [snapshotName] - Take a snapshot of the optionally specified column family of the specified keyspaces using optional name snapshotName On Wed, Nov 28, 20

Having issues with node token collisions when starting up Cassandra nodes in a cluster on VMWare.

2012-11-30 Thread John Buczkowski
Hi: Are there any known issues with initial_token collision when adding nodes to a cluster in a VM environment? I'm working on a 4 node cluster set up on a VM. We're running into issues when we attempt to add nodes to the cluster. In the cassandra.yaml file, initial_token is left blank. Since

Re: strange row cache behavior

2012-11-30 Thread Yiming Sun
Does anyone have any comments/suggestions for me regarding this? Thanks I am trying to understand some strange behavior of cassandra row cache. We > have a 6-node Cassandra cluster in a single data center on 2 racks, and the > neighboring nodes on the ring are from alternative racks. Each node

Re: Java high-level client

2012-11-30 Thread Peter Lin
One thing to consider is hector-client master supports bigdecimal, reversed type and other CQL3 features. I don't use astyanax, so I didn't bother contributing the changes to them. If you don't use CQL and don't really care, they're functionally equal in my bias opinion. If you do use CQL2 or CQL

Re: failing reconcilliation during counter increment?

2012-11-30 Thread Sylvain Lebresne
> > To my understanding client will not be notified because this read step is > asynchronously. Yes, though for the record it's actually synchronous if you use anything else than CL.ONE. > Also the other replica cannot be updated properly (replicate-on-write > stage is backing up). > Question i

[RELEASE] Apache Cassandra 1.1.7 released

2012-11-30 Thread Sylvain Lebresne
The Cassandra team is pleased to announce the release of Apache Cassandra version 1.1.7. Cassandra is a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model. You can read more here: http://cassand