Tag: performance

analytics feature

Utilizing Multiple Disks to Speed Up Couchbase Analytics Queries

Typical ad-hoc analytical queries have to process much more data that can fit in memory. Consequently, those queries tend to be I/O bound. When the Analytics service was introduced in Couchbase 6.0, it allowed users to specify multiple “Analytics Disk...

Testing N1QL workloads with Apache JMeter

One of the key features that Couchbase provides for querying JSON data is a N1QL language. N1QL allows users to access and modify the contents of their JSON documents with familiar SQL statements. Quite often, during development phase of a...

Less is More: Why Cost Based Optimizer?

Less is more.  — Ludwig Mies van der Rohe This is no truer statement on the goals of a query optimizer. Do less: Less memory, less CPU, less disk, less IO, less instructions, less partitions, less overflow. Less everything for...

/ September 7, 2019

Primary Uses for Couchbase Primary Index.

A couple of frequently asked questions on N1QL for query service: When do we actually use a primary index? Why the index advisor does not recommend the primary index when that may the only choice? Read on… Couchbase is a...

/ August 22, 2019

N1QL Index Advisor: Improve Query Performance and Productivity

As application developers, your main focus is to design the most efficient queries  for your application. You want to ensure the integrity of the data that your application pushes to the database, and construct the most efficient queries to retrieve...

/ May 9, 2019

Search and Rescue: 7 Reasons for N1QL (SQL) developers to use Search

People don’t want a four key index.  They need a four-ms response. Ted Levitt Application development is demanding. Each application is trying to progress on behalf of the customer — searching for the right product or the right form, ordering,...

/ April 22, 2019
megafon

Couchbase in Telecom: MegaFon, Russia

Egor Kovalchuk is a deployment manager in MegaFon, one of the largest telecommunication companies in Russia.  His career in telecom spans more than a decade.  Egor’s team is in charge of developing, integrating, and monitoring multiple business systems and applications...

riding the nosql wave forrester

Riding the NoSQL Wave at Couchbase

Today, Forrester Research Inc. has recognized Couchbase as a Leader in its “The Forrester Wave™: Big Data NoSQL, Q1 2019.” [download here] Recognition from Forrester is a great honor, because when they say something, the industry sits up and pays...

Create a production-grade Java microservice architecture with JHipster and Couchbase

Tayeb Chlyah is a Java lead architect with solid experience on performance large-scale applications, microservices, and NoSQL databases. He has developed a couple of open source Java libraries for Couchbase.   Introduction Every successful developer needs to keep up to date...

N1QL: To Query or To Analyze?

Note: This recommendation note was written in collaboration with Till Westmann and Mike Carey, who lead the Couchbase analytics R&D. Couchbase’s Query and Analytics Services both support N1QL (SQL for JSON).  A common question is: “Which service should run my...

/ January 24, 2019