Data Lake for Enterprises

Elasticsearch & HBase

Elasticsearch is one of the data stores that can be considered for quick lookup and near real time queries for searches, and can form a part of the serving layer as well. What we mean by real time here is that document is available for retrieval as soon as it is ingested. Elasticsearch supports key based document lookup in absolute real-time as well as supports near real-time searches as needed for data service and its contract. This storage layer should be ideally placed behind the data services as the data store fulfilling data requirements of the data services. It is an eventually consistent system that does not support ACID transactions but does support lightweight optimistic locking for minimum level of transactional ...