Published on February 28, 2014
MagnetoDB Key-Value Store service 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
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
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