Elasticsearch or Elk is scalable. It is comfortable to operate on any machine. The various aspects of scalability include throughput, index size, and cluster size. Secondly, Elk is also brilliant with its performance. It uses large data sets and finds relevant searches based on those sets. With the help of the completion suggestion, the autocomplete functionality takes a turn and is also an effective feature of Big Elk. Elasticsearch is a real-time search platform that allows quick indexing of documents and provides magnificent results. Elk is schema-free which is one of the best benefits of working with Big Elk. One can avoid using the indexing process and index files at ease.