NoSQL (Not Only SQL) is believed to be a superset of, or sometimes an intersecting set with, relational SQL databases. The concept itself is still shaping, but already now we can say for sure: NoSQL addresses the task of storing and retrieving the data of large volumes in the systems with high load. There is another very important angle in perceiving the concept:
NoSQL systems can allow storing and efficient searching of the unstructured or semi-unstructured data, like completely raw or preprocessed documents. Using the example of one world-class document retrieval system Apache SOLR (performant HTTP wrapper around Apache Lucene) as a reference we will check upon its use cases, horizontal and vertical scalability, faceted search, distribution and load balancing, crawling, extendability, linguistic support, integration with relational databases and much more.
Dmitry Kan will shortly touch upon *hot* topic of cloud computing using the famous project Apache Hadoop and will help the audience to see whether SOLR shines through the cloud.
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