Top 50 Kafka Interview Questions & Answer

1) What is Apache Kafka? Apache Kafka is a publish-subscribe open source message broker application. This messaging application was coded in “Scala”. Basically, this project was started by the Apache…

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Top 50 haproxy Interview Questions & Answer

1) Is HAProxy a load balancer? HAProxy (High Availability Proxy) is open source proxy and load balancing server software. It provides high availability at the network (TCP) and application (HTTP/S)…

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Top 50 linkerd Interview Questions & Answer

1) Who owns Linkerd? the Cloud Native Computing FoundationLinkerd is hosted by the Cloud Native Computing Foundation (CNCF). The CNCF owns the trademark; the copyright is held by the Linkerd…

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Top 50 Consul interview questions and answers

1) What Is Checkpoint? / Does Consul Call Home? Consul makes use of a HashiCorp service called Checkpoint which is used to check for updates and critical security bulletins. Only…

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Top 50 Ncover interview questions and answers

1) What is code coverage analysis? A code coverage analyzer monitors your code at runtime and records information about which lines of code were executed. NCover shows each sequence point…

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Top 50 Unit testing interview questions and answers

1) What is smoking? In unit testing, we use mocking. An object you want to test may have other complex object dependencies. You replace the other objects with mocks simulating…

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Top 50 Testlink interview questions and answers

1) What Is A Bug? A computer bug is an error, flaw, mistake, failure, or fault in a computer program that prevents it from working correctly or produces an incorrect…

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What is MLOps? It’s Advantages, Use Cases, Jobs & Salary Prospectus?

History & Origin of MLOps The origins of MLOps may be traced back to a study titled “Hidden Technical Debt in Machine Learning Systems” published in 2015. Since then, the…

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Top 50 Interview Question & Answer of oracle

Let’s have a quick discussion about oracle Oracle Database is the oldest database designed for enterprise grid computing, the most flexible and budget-effective way to manage information and applications. Enterprise…

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How to post form data from PHP 7 using LinkedIn API?

In Previous blog Click Here We also learned that How to Sign-in or login from PHP 7 using LinkedIn API. So, In this blog, I am going to post or…

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What is Website Scraping – Complete Guide

What is Site Scraping? “Site scraping also” called or known by some other names like Web scraping, Screen scraping, Web data mining, Web harvesting, or Web data extraction is a…

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Splunk Interview Questions and Answer Part – 1

Where is the best place to get help with general Splunk questions? Splunk Answers (Ans) Stack Overflow Course Q and A Splunk is primarily a business intelligence tool. False (Ans)…

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elasticsearch-error-node

Elastic Search Error – Node is started with node.data=false, but has shard data

[2019-07-11T09:59:18,013][ERROR][o.e.b.Bootstrap ] [es-master01] Exception java.lang.IllegalStateException: Node is started with node.data=false, but has shard data: [/home/ec2-user/elasticsearch-7.2.0/data/nodes/0/indices/6XsNftnbSbOnzPK3wOKc 0w/0]. Use ‘elasticsearch-node repurpose’ tool to clean up at org.elasticsearch.env.NodeEnvironment.ensureNoShardData(NodeEnvironment.java:1065) ~[elasticsearch-7.2.0.jar:7.2.0] at org.elasticsearch.env.NodeEnvironment.(NodeEnvironment.java:324) ~[elasticsearch-7.2.0.jar:7.2.0] Solution

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sample-data-elastic-search

How to create sample data to perform searches using elastic search?

Step 1 – Go to: http://www.json-generator.com/ Step 2 – Download and save as customers_full.json Step 3 – Open customers_full.json in sublimetext Remove the array brackets Find-Replace },{ with }\n{ in…

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