NoCAP

In this post i wanted to spend sometime on the CAP theorem and clarify some of the confusion that i often see when people associate CAP with scalability without fully understanding the implications that comes with it and the alternative approaches

You can read the full article here

Terrastore - Scalable, elastic, consistent document store.

Terrastore is a new-born document store which provides advanced scalability and elasticity features without sacrificing consistency.

Here are a few highlights:

• Ubiquitous: based on the universally supported HTTP protocol.
• Distributed: nodes can run and live everywhere on your network.
• Elastic: you can add and remove nodes dynamically to/from your running cluster with no downtime and no changes at all to your configuration.
• Scalable at the data layer: documents are partitioned and distributed among your nodes, with automatic and transparent re-balancing when nodes join and leave.
• Scalable at the computational layer: query and update operations are distributed to the nodes which actually holds the queried/updated data, minimizing network traffic and spreading computational load.
• Consistent: providing per-document consistency, you're guaranteed to always get the latest value of a single document, with read committed isolation for concurrent modifications.
• Schemaless: providing a collection-based interface holding JSON documents with no pre-defined schema, you can just create your collections and put everything you want into.
• Easy operations: install a fully working cluster in just a few commands and no XML to edit.
• Features rich: support for push-down predicates, range queries and server-side update functions.

Read, participate, download and clone it!