Elasticsearch vs Cassandra vs Elasticsearch with Cassandra

Question

I am learning NoSQL and looking at different options for one of my client\'s requirements. I have gone through various resources before putting up this question (a person w

Answer 1

• As elasticsearch is built on Lucene index and if you want to store indexing in elasticsearch it performs best comparing to indexing in Cassandra itself for retrieving the data.
• If your requirements are not related to real-time retrieval then you can use elasticsearch as NoSQL database also, there are thoughts that ElasticSearch loses writes & Schema changes are difficult, but if your volume of data is not too big. You can easily achive elasticsearch as a search engine with best indexing along with elasticsearch as aNoSQL database. There are several way that you can prevent it. I have worked on the schema changes in elasticsearch, if your data structure is consistent then it will create any issues.
• Being a supporter of ElasticSearch or SOlr. I have worked on both the search engines and i experienced that both the search engines can be used fluently if you configure them correctly.
• Only cons that i can think of it, if you are targetting real time result and can't comprosie milliseconds delay in your response. Then its better to take help of other NoSQL databases like cassandra or couchbase.
• Cassandra with solr, work better than Cassandra with elasticSearch.