Re: Map Reduce support

2010-06-27 Thread Atul Gosain
the new input format. It gives you a > SQL'esque syntax for manipulating the data and is probably the easiest > way to experiment. > > On Thu, Jun 24, 2010 at 11:01 AM, Atul Gosain > wrote: > > Hi > > What kind of Map Reduce support is provided for Cassandra

Hector Client Failover errors

2010-06-27 Thread Atul Gosain
I am trying to insert the data using hector client. Using only one host in the pool ie. localhost. like as follows CassandraClientPool pool = CassandraClientPoolFactory.INSTANCE.get(); client = pool.borrowClient("localhost", 9160); global = client.getKeyspace(key

Map Reduce support

2010-06-24 Thread Atul Gosain
Hi What kind of Map Reduce support is provided for Cassandra ? Can i get some columns from different rows and then aggregate them up together. Its basically aggregation of statistics for various devices connected to a network manager. Is it a right kind of use case to be supported by MR ? Thank

AVRO client API

2010-06-17 Thread Atul Gosain
Hi Is the client API for cassandra available in AVRO. If so, any links to examples or some documentation ? and If so, any comparison between Thrift and Avro API's to determine the better of them ? Thanks Atul

Re: Hector client usage

2010-05-27 Thread Atul Gosain
Forgot to attach the class . On Thu, May 27, 2010 at 11:17 PM, Atul Gosain wrote: > Hi > > Im trying to use Hector client to insert and then read the data from > cassandra. While im able to write the data and able to see that thru > cassandra-client cli, im not able to rea

Hector client usage

2010-05-27 Thread Atul Gosain
Hi Im trying to use Hector client to insert and then read the data from cassandra. While im able to write the data and able to see that thru cassandra-client cli, im not able to read that from the program. Getting following error. What am in doing wrong in my program. Can someone help me here ?

Re: ColumnPath Usage

2010-05-10 Thread Atul Gosain
Hector provides the same functionality. Thanks Atul On Mon, May 10, 2010 at 10:20 PM, Jonathan Ellis wrote: > Why are you using Thrift from java instead of Hector? > > http://github.com/rantav/hector > > On Mon, May 10, 2010 at 8:34 AM, Atul Gosain wrote: > > Hi > > &g

ColumnPath Usage

2010-05-10 Thread Atul Gosain
Hi Im really confused about using ColumnPath in thrift java interface. Most of the examples provide create the ColumnPath with 3 parameters, whereas the latest thrift api has ColumnPath with one parameter only. If ColumnPath can be thought of as directory structure or path to the column, th