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Introducing MagnetoDB, NoSQL database as a service for OpenStack. MagnetoDB acts as a key-value store, is tightly integrated with OpenStack, and yet is compatible with the Amazon DynamoDB API, and can be used as a drop-in replacement.
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MagnetoDB Key-Value Storeservice for OpenStack
Mirantis, 2014
What is MagnetoDB?
MagnetoDB - OpenSource Amazon DynamoDB API implementation for OpenStack, the key-value database service for storing any amount of data with seamless scalability and predictable performance.
MagnetoDB key features
● Easy-to-integrate REST-like API (AWS SDK, boto clients)
● Schemaless, non-relational table-based model● Put/get/query/scan item operations● Eventual and strong consistency reads● Local Secondary indexes● Batch read/write operations● Designed to handle any amount of data and any level
of request traffic● Seamless throughput and storage scaling● Fault tolerance
MagnetoDB use cases
● High request traffic level applications
● Time series data
● Queries are distributed across the data
● Any other applications
● Migration of workloads between AWS and
OpenStack
Architecture highlights
● Layered architecture
● Horizontally scalable
● Pluggable database backend
● Uses native OpenStack infrastructure
○ OpenStack HEAT for provisioning
○ OpenStack Neutron LoadBalancer
○ Integration with OpenStack Keystone planned
Overall architecture
Integration with OpenStack services
Current status
○ Pilot implemented
○ Open source, Apache 2 license
○ Launchpad homepage: https://launchpad.net/magnetodb
○ Code published on github: https://github.
com/Mirantis/magnetodb
○ Deployable to Vanilla OpenStack
○ Compatible with existing DynamoDB clients
MagnetoDB Pilot Features
● Table CRUD API○ ListTables○ DescribeTable○ CreateTable○ DeleteTable
● Item CRUD API○ PutItem○ UpdateItem○ DeleteItem○ GetItem
● Data querying API○ Query○ Scan
● Error Handling API
MagentoDB use-case: dynamodb-geo
“Geo Library for Amazon DynamoDB allows to easily create and query geospatial data”
MagentoDB use-case: dynamodb-geo
Next steps● General
○ Move the development to OpenStack Infra○ Integration with OpenStack Keystone
● DynamoDB API○ Atomic counters○ Asynchronous table creation○ Atomic conditional write operations○ Batch operations
● Other features○ Management API○ Quota management
Summary
● The pilot implementation is available on GitHub in public
repository
● MagnetoDB is compatible with AWS SDK and boto library
● It is now possible to run applications which use DynamoDB as
a storage on top of OpenStack using MagnetoDB
Links and Resources
○ Wiki: https://wiki.openstack.org/wiki/MagnetoDB
○ Launchpad: https://launchpad.net/magnetodb/
○ Source code: https://github.com/Mirantis/magnetodb
○ IRC: #magnetodb @ FreeNode
○ AWS DynamoDB http://aws.amazon.com/dynamodb/
○ dynamodb-geo https://github.com/awslabs/dynamodb-geo
