ElasticSearch Interview Q&A

  What is Character Filter in Elasticsearch Analyzer? A character filter obtains the ideal text as a stream of characters, later on modifies it by adding, deleting, or altering characters. For example, any character filter in usage has the ability to convert Hindu-Arabic numerals (٠‎١٢٣٤٥٦٧٨‎٩‎) into Arabic-Latin numerals (0123456789), and even sometimes strip HTML elements via the stream. What are Token filters in Elasticsearch Analyzer?

Elasticsearch

Note: This post is specifically for my learning on the topic and to get warm-up at the time of interviews. Everything in the post I gathered from various books and websites, this is specifically for my understanding and to not for any business use. Elasticsearch(ES) is a real-time distributed and open source full-text search and analytics

Spark Interview Questions

Spark Interview Questions All important questions 1. Define Partitions? A. Partitioning is the process to derive logical units of data to speed up the processing process. Everything in Spark is a partitioned RDD. 2. What do you understand by Transformations in Spark? A. Transformations are functions applied to RDD, resulting into another RDD. It does