cluster

Transport Cinnamon Matrices From Lagom To Prometheus

Monitoring is a pain when it comes to distributed applications, and even more when you have shared or non-shared variables to monitor in your application. Here in this blog, I’ll explain two tools which can ease the monitoring efforts, one for generating metrics called Cinnamon and other to visualize them, called Prometheus. Let’s have a quick brief intro about these two – Prometheus – An open-source monitoring system with Continue Reading

kafka with spark

Spark Unconstructed | Deep dive into DAG

Apache Spark is all the rage these days. People who work with Big Data, Spark is a household name for them. We have been using it for quite some time now. So we already know that Spark is lightning-fast cluster computing technology, it is faster than Hadoop MapReduce. If you ask any of these Spark techies, how Spark is fast, they would give you a Continue Reading

Apache Solr : Did someone say search engine?

Apache Solr Solr is the popular, blazing-fast, open source enterprise search platform. It is one of the easiest ways of developing sophisticated, high-performance search applications. Based on another  Apache product Lucene, Solr provides developers with capabilities such as advanced full-text search capabilities, scalability, easy monitoring and much more. This blog intends to get you started with Solr and helps you interact with a Solr server.

A Simple walk-through to set up a local Cassandra multi-node cluster

In our earlier blogs we have already gone through The basic Introduction to Cassandra and also tried to explore the Cassandra Reads and Writes. Today we will be discussing something apart from the in-depth theoretical knowledge of Cassandra. In one of our projects , we came through a basic requirement in which we needed to required a local Cassandra cluster for some kind of testing.  Continue Reading

Running Spark on DC/OS

Devops engineers for long needed an open source tool to make it easy to deploy the code developed through all the ups and downs to reach this far and is considerably more capable of evolving (pun intended). As we all know in this world of agile we need to shift our requirements after a short duration of time. Be it addition of a feature or tweaking Continue Reading

Amazon ES – setting up the cluster! #1

Amazon Web Services (AWS) is a cloud services platform, providing compute power, database storage, content delivery, security options and other functionality to allow businesses to build sophisticated applications with increased flexibility, scalability and reliability. Amazon Elasticsearch is one of the services provided by AWS. Amazon ES Amazon Elasticsearch Service, also called Amazon ES, is a managed service that makes it easy to create a domain, Continue Reading

A Beginner’s Guide to Deploying a Lagom Service Without ConductR

How to deploy a Lagom Service without ConductR? This question has been asked and answered by many, on different forums. For example, take a look at this question on StackOverflow – Lagom without ConductR? Here the user is trying to know whether it is possible to use Lagom in production without ConductR or not. To which the best answer that came up was – “Yes, it is Continue Reading

DC/OS Installation experience on Local Cluster

Recently got the task to install DC/OS on our local cluster. Previously I used AWS to install DC/OS, but this time I had to do everything on our own, from installing CentOS to creating the DC/OS cluster. With this blog, I am going to share my experience that I faced in installing DC/OS. It took almost three days, but at the end I successfully installed Continue Reading

protecting sensitive data in docker

A step-by-step guide for protecting sensitive data in docker

Managing the password, access tokens and private keys are being tedious in the application. Any small mistakes accidentally expose all the secret information. Even storing such thing in docker images can be easily accessible one should just run the image in the interactive mode container and all your application code is available in containers. Docker provides secrets to protect all secret data. This blog explains Continue Reading

Simple Things You Can Learn From Cassandra Nodetool (Monitor/Manage) For DC/OS

Cassandra native tool called nodetool is used for monitoring and managing cassandra cluster for dcos

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