Amazon Dymano

I am not sure if “Dynamo: Amazon’s Highly Available Key-value Store” the paper that was mentioned by Werner Vogels, Amazon’s CTO, at the Google Scalability Conference, but it looks very interesting:

Here is the abstract:

Reliability at massive scale is one of the biggest challenges we
face at, one of the largest e-commerce operations in
the world; even the slightest outage has significant financial
consequences and impacts customer trust. The
platform, which provides services for many web sites worldwide,
is implemented on top of an infrastructure of tens of thousands of
servers and network components located in many datacenters
around the world. At this scale, small and large components fail
continuously and the way persistent state is managed in the face
of these failures drives the reliability and scalability of the
software systems.

This paper presents the design and implementation of Dynamo, a
highly available key-value storage system that some of Amazon’s
core services use to provide an “always-on” experience. To
achieve this level of availability, Dynamo sacrifices consistency
under certain failure scenarios. It makes extensive use of object
versioning and application-assisted conflict resolution in a manner
that provides a novel interface for developers to use.

I got it by way of the High Scalability weblog.


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