Re: Filter data on row key in Cassandra Hadoop's Random Partitioner

2012-12-13 Thread Ayush V.
Thanks Hiller and Shamim. Let me share more details. I want to use cassandra MR to calculate some KPI's on the data which is stored in cassandra continuously. So here fetching whole data from cassandra every time seems an overhead to me? The rowkey I'm using is like (timestamp/6)_otherid;

Re: Filter data on row key in Cassandra Hadoop's Random Partitioner

2012-12-12 Thread Шамим
You can use Apache PIG to load data and filter it by row key, filter in pig is very fast. Regards Shamim 11.12.2012, 20:46, Ayush V. ayushv...@gmail.com: I'm working on Cassandra Hadoop intergration (MapReduce). We have used Random Partioner to insert data to gain faster write. Now we have

Re: Filter data on row key in Cassandra Hadoop's Random Partitioner

2012-12-11 Thread Hiller, Dean
You may want to look into CQL3 as I hear there may be a way to specify the query so only those rows are map/reduced. I am not sure if that is out yet or not but I remember someone from datastax telling me about it. Dean On 12/11/12 9:46 AM, Ayush V. ayushv...@gmail.com wrote: I'm working on