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Build & run responsive apps
Akka is a platform to build and run responsive apps across regions, clouds and devices. Transactional, durable, and real-time services are elastic, agile, and guaranteed resilient. Developers build with an SDK and can gain more granular control using a set of libraries. Fully automated operations for your Akka app are available in both serverless and BYOC options. A self-hosted option can be set up when your organization needs total control.
Simple SDK
Create durable, real-time services exposed as APIs with an SDK that enables a rapid inner dev loop, integration with your favorite IDEs, and offline local development.
Entities
Build apps that act as their own in-memory, durable, and replicated database.
Streaming
Streaming producers and consumers enable real-time data integration.
Endpoints
Design HTTP and gRPC APIs.
Views
Access multiple entities or retrieve entities by attributes other than entity id.
Workflows
Execute durable, long-running processes with point-in-time recovery.
Timers
Execute actions with a reliability guarantee.
Avoid technical debt
Create high velocity teams with an inner dev loop that separates domain logic from distributed dependencies. Your business logic is yours - build and test domain logic without decorators or leaky API pollution. Akka’s components inject distributed, responsive intelligence during the build.
With Akka: Domain Separation
Keep your business logic yours. Build and test domain code like your first ‘Hello, World’ program. Akka components inject intelligence at build with an inner loop that moves as fast as your fingers.
Without Akka : Polluted Domain Logic
Decorating domain code or calling APIs to distribute data or improve resilience creates technical debt, cross-team friction, and coherence leaks.
No local cloud required
Developers locally create and debug chained, networked services that execute as local binaries without having to install local cloud infrastructure.
Binaries generated from SDK dependencies are included and compiled at build time enabling offline development.
- Service-to-service local discovery and messaging
- No packing
- No Docker Compose
- No database
- No Kubernetes
Rapid, offline dev
Local console, event debugger, sandboxes, and separation of concerns ensures high dev velocity with minimal local configuration.
Local operations console for visualizing distributed architecture components and their data flows.
Track entity state changes and visualize modifications to the networked, durable event log.
Leverage your favorite IDE’s build, run, debugger, and AI add-on to generate and test large blocks of Akka code with minimal prompting.
Automated operations
Operate apps with automation that does not require DevOps to understand the app’s infrastructure: clouds, regions, databases, Kubernetes, VMs, and proxies.
Akka apps run in an Akka operating environment, which provides automation for elasticity, agility, and resilience. Your apps can deploy into environments managed by us or you. Federate your private regions with public regions available at Akka.io to enable cross-region replication.
Akka provides managed services and self-hosted software that automates the lifecycle of your applications enabling them to maintain their own SLA. Akka environments orchestrate microservices, handle elasticity scaling events, configure gateways and proxies as topologies change, and manage persistence access for entities, events and views.
Elastic to workload changes
Akka operating environments perform cold start and automatic adjustment of app instances as traffic spikes or idles.
Logs, metrics and traces visualized within a per-service dashboard or exported to your preferred observability tooling.
Resilient to failures
Akka automatically snapshots app instances and executes change data capture of individual state changes for entities. Akka replays snapshots and entity events sequentially to automate restoration after a failure.
Operate apps across clouds and geos
Multi-Master Replication of app data across regions with automated cutovers leverage location transparency to enable apps to move from one location to another without users experiencing downtime.
Zero-downtime upgrades, cloud-to-cloud, serverless to BYOC, and repatriation migrations are all supported.
Freedom to move
Avoid lock-in and downtime during migrations. Akka apps move from one location to another without users experiencing downtime through replication of data across regions with automated cutovers. Support for cloud upgrades, cloud-to-cloud migrations, Serverless to BYOC, and repatriation migrations.
Start with one place
Design, build and deploy apps within a single location.
Regional migration
Add regions for apps to replicate across.
Custodial migration
Retire an app in one place after movement to a second.
Mix Akka-managed regions with self-managed.
Infrastructure upgrades
Promote read-only regions to writable for rolling infra updates.
Version and schema updates
Apps automatically adapt to schema changes with end user traffic rerouting.
Clustering from within
The Akka runtime executes as an embedded kernel. Akka clustering, also from within, enables your apps to discover, join, participate, and leave a cluster automatically and across networking boundaries.
The Akka runtime
- Scheduling: compute, threads
- Data: flows, shards, replication
- Communication: cluster membership, I/O
- Resilience: self-healing actions, split brain resolution
- Akka creates a ring of physical nodes to execute instances
- Akka places instances in more than 1 bucket for redundancy
- Akka monitors service request traffic to add / remove nodes
- Akka rebalances instances and data as ring size changes
The G.O.A.T. libraries
Simpler concurrent & distributed systems
Actors and Streams let you build systems that scale up, using the resources of a server more efficiently, and out, using multiple servers.
Resilient by Design
Building on the principles of The Reactive Manifesto Akka allows you to write systems that self-heal and stay responsive in the face of failures.
Elastic & decentralized
Distributed systems without single points of failure. Load balancing and adaptive routing across nodes. Event Sourcing and CQRS with Cluster Sharding. Distributed Data for eventual consistency using CRDTs.
Reactive streaming data
Asynchronous non-blocking stream processing with backpressure. Fully async and streaming HTTP server and client provides a great platform for building microservices. Streaming integrations with Alpakka.
High performance
Up to 200 million msg/sec on a single machine. Small memory footprint; ~2.5 million actors per GB of heap.
Build and run responsive apps
Akka is a platform to build and run responsive apps across regions, clouds and devices. Transactional, durable, and real-time services are elastic, agile, and guaranteed resilient. Developers build with an SDK and can gain more granular control using a set of libraries. Fully automated operations for your Akka app are available in both serverless and BYOC options. A self-hosted option can be set up when your organization needs total control.
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Simple DevEx Simple OpsEx
Uniform Model
Akka provides a uniform, simple DevEx and OpsEx to build apps once and then continuously adapt to change. Build, test and debug locally, and deploy multi-regionally without code rewrites. Versioning, rolling updates, schema migrations, and infrastructure upgrades can all be done without downtime.
No Rewrites. No Downtime.
- Core
- Socket
- CPU
- Container
- Server
- Rack
- Data Center
- Region
- Global
One Application Abstraction
Developer building blocks
SDK and Libraries
The Akka SDK maximizes developer velocity and is built with proven, comprehensive libraries that have been downloaded 1B times.
SDK
Durable, transactional, and real-time services
- endpoints
- streaming
- workflows
- views
- actions
- entities
- timers
Elastic Ops & Automated Infrastructure
- Serverless @ Akka.io
- Bring Your Own Cloud
- Self-Managed
built with
Libraries
Foundational modules
- actors
- HTTP
- gRPC
- streams
- event sourcing
- persistence
- clustering
- durable state
- messaging
- integrations