Proposal - Feature to have versioning in Cassandra

2016-12-10 Thread Bhuvan Rawal
Hi Devs! As this is related to a future improvement in Cassandra I thought this is the appropriate mailing list. I was reading a bit on HBase, it provides a facility to version rows with number of version, etc can be specified in schema. Although this can be easily achieved in cassandra as well

Cassandra Read Path Code Navigation

2016-06-13 Thread Bhuvan Rawal
be created from existing classes pls let me know as well would love to build and share one. Best Regards, Bhuvan Rawal

Re: NewBie Question ~ Book for Cassandra

2016-06-13 Thread Bhuvan Rawal
Hi Matt, I suggested the resources keeping in mind the ease with which one can learn. My idea was not to disrespect Apache or community in any form, it was just to facilitate learning of a Newbie. While having a good wiki would be amazing and I believe we all agree on this Thread that current

Re: NewBie Question ~ Book for Cassandra

2016-06-11 Thread Bhuvan Rawal
Hi Deepak, You can try Datastax Docs, they are most extensive and updated documentation available. As Cassandra is a fast developing technology I wonder if there is a Book in the market which covers latest features like Materialized Views/ SASI Index or new SSTable Format. I believe the best

Re: Using writetime in CAS Lightweight transactions

2016-05-11 Thread Bhuvan Rawal
Hi Tyler/Doan, If we have already reached till the cell level and put the LWT condition on it im sure from a design standpoint it shouldnt be really difficult to get the cell write time and verify the same, maybe to be considered in a future release. In this case it looks cleaner and if

Using writetime in CAS Lightweight transactions

2016-05-11 Thread Bhuvan Rawal
Now try to use the write time in LWT superuser@cqlsh:test_keyspace> update test set count=8 where part_k=2390 and clust_k='Test Ck Value' if writetime(count)=1462974475292000; SyntaxException: Best Regards, Bhuvan Rawal

Short column names

2016-02-11 Thread Bhuvan Rawal
Hi, We are modelling schema for database revamp from mysql to Cassandra. It has been recommended in several places that column names must be kept as small as possible to optimise disk storage. I have a doubt here, why can't we map column names and store it as an index, say in memory. I mean,