Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries. OrientDB Community Edition is Open Source using a liberal Apache 2 license.
An open-source database designed to support multi-master replication. It is designed on the top of PostgreSQL, providing bidirectional replication, as well as row filtering.
https://medium.com/free-code-camp/how-to-set-up-a-serious-kubernetes-terminal-dd07cab51cd4