Category Archives: Indexing

Data Loader for NOSQL Databases

In one of my recent projects, I had to load product data from a CSV file into HBase and also to index it for search purpose.. I decided to separate out the loader part of the project as a stand … Continue reading

Posted in Cassandra, HBase, Indexing, NOSQL | Tagged , , , | 3 Comments

Cassandra Secondary Index Patterns

We all know that any real application needs to do query based on attributes other than the primary key or row key in case of Cassandra. Cassandra version .7 onwards provides native secondary index support. But there are several limitations. … Continue reading

Posted in Cassandra, Indexing, NOSQL | Tagged , | 8 Comments

Cassandra secondary index to the rescue

In an earlier blog, I discussed Cassandra data model for a BPM system. I used an eCommerce order processing system driven by a BPM as an example. In this post, we will discuss some of the data access usage scenario … Continue reading

Posted in Cassandra, Indexing, NOSQL | Tagged , , , | 1 Comment