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Divide and Conquer: Couchbase GSI Index partitioning.
In Couchbase, data is always partitioned using the consistent hash value of the document key into vbukets which are stored on the data nodes. Couchbase Global Secondary Index (GSI) abstracts the indexing operations and runs as a distinct service within...
Keshav Murthy
April 11, 2018
Develop with Agility, Develop at any Scale with Couchbase on Cisco UCS
Author’s note: This excerpt from the Couchbase on Cisco UCS® solution brief is published on behalf of Cisco. Full solution brief for Couchbase on Cisco UCS® is available later in this blog. As the world migrates to a digital economy, businesses are...
Keshav Murthy
February 16, 2018
Using Google Artificial Intelligence Services in Couchbase N1QL
“If you’re not using deep learning, you should be.” – Jeff Dean, Google Fellow. Google has started out with a mission to empower everything and everyone with Artificial Intelligence (A.I.). It has open-sourced Tensorflow and supporting libraries to enable developers...
Keshav Murthy
February 10, 2018
Couchbase for Oracle developers — Part 3 : Database Objects
Here’s the home page for the series: https://www.couchbase.com/blog/couchbase-oracle-developers-part-2-architecture/ Oracle DBAs work with clusters, machines, storage systems, disks, etc. Oracle developers and their applications work with databases, tables, rows, columns, partitions, users, data types within the Oracle database system. Let’s compare and...
Keshav Murthy
January 27, 2018
Couchbase for Oracle Developers – Part 2 : Architecture
Back in November, Raju Suravarjjala, (Sr. Director, Couchbase QE & Performance) and I presented “Mindmap: Oracle to Couchbase For Developers”. You can see the slide deck here: http://bit.ly/2mPdJfo. Overview article for the series is at is at https://www.couchbase.com/blog/couchbase-oracle-developers-part-2-architecture/. This series is written in...
Keshav Murthy
January 22, 2018
Database Pagination: Using OFFSET and Keyset in N1QL
Read the pagination background in my previous article: https://www.couchbase.com/blog/optimizing-database-pagination-using-couchbase-n1ql/ Pagination is the task of dividing the potential result into pages and retrieving the required pages, one by one on demand. Using OFFSET and LIMIT is the easy way to write...
Keshav Murthy
January 11, 2018
Comparing Couchbase Views with Couchbase N1QL & Indexing.
As Couchbase data platform evolved, services like N1QL and GSI Indexing handled the use cases Couchbase VIEWS used to handle and much more. It’s logical to ask the comparative question between them. Here is a table comparing both. This is...
Keshav Murthy
December 4, 2017
Create the Right Index, Get the Right Performance.
Introduction There are three things important in database systems: performance, performance, performance. For NoSQL database systems, there are three important things: performance at scale, performance at scale, performance at scale. Understanding the index options, creating the right index, with the...
Keshav Murthy
November 12, 2017
Optimizing Database Pagination using Couchbase N1QL.
Background: How does Google do it? When you google something or anything, it gives you back top relevant results, tells you an approximate number of documents for your topic — all under a second. Here are some high-level pointers: https://www.google.com/search/howsearchworks/algorithms/...
Keshav Murthy
November 2, 2017
N1QL: A Practical Guide. Second Edition
Two years and two weeks ago, on a crisp fall day at Wall Street in New York, we launched N1QL in Couchbase 4.0. Even before the launch, we had customers using pre-release N1QL because it solved the critical business problem:...
Keshav Murthy
October 26, 2017
Learn N1QL in 10 Minutes: An Interactive Online Tutorial
N1QL is SQL for JSON. The goal of N1QL is to give developers and enterprises an expressive, powerful, and complete language for querying, transforming, and manipulating JSON data. The goal of N1QL is to give developers and enterprises an expressive,...
Keshav Murthy
September 7, 2017
N1QL: A Practical Guide
N1QL is designed to help developers easily develop applications to solve real-world problems. Technically, N1QL is designed to give developers and enterprises an expressive, powerful, and complete language for querying, transforming, and manipulating JSON data. N1QL takes inspiration from SQL...
Keshav Murthy
March 17, 2017