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- Overview
- What is Firecracker?
- Getting Started
- Contributing
- Releases
- Design
- Features & Capabilities
- Known issues and Limitations
- Performance
Our mission is to enable secure, multi-tenant, minimal-overhead execution of container and function workloads.
Read more about the Firecracker Charter here.
Firecracker is an open source virtualization technology that is purpose-built for creating and managing secure, multi-tenant container and function-based services that provide serverless operational models. Firecracker runs workloads in lightweight virtual machines, called microVMs, which combine the security and isolation properties provided by ha...
To get started with Firecracker, download the latest release binaries or build it from source.
You can build Firecracker on any Unix/Linux system that has Docker running (we use a development container) and bash installed, as follows:
The Firecracker binary will be placed at build/cargo_target/${toolchain}/debug/firecracker. For more information on building, testing, and running Firecracker, go to the quickstart guide.
The overall security of Firecracker microVMs, including the ability to meet the criteria for safe multi-tenant computing, depends on a well configured Linux host operating system. A configuration that we believe meets this bar is included in the production host setup document.
Firecracker is already running production workloads within AWS, but it's still Day 1 on the journey guided by our mission. There's a lot more to build and we welcome all contributions.
To contribute to Firecracker, check out the development setup section in the getting started guide and then the Firecracker contribution guidelines.
New Firecracker versions are released via the GitHub repository releases page, typically every two or three months. A history of changes is recorded in our changelog.
The Firecracker release policy is detailed here.
Firecracker's overall architecture is described in the design document.
Firecracker consists of a single micro Virtual Machine Manager process that exposes an API endpoint to the host once started. The API is specified in OpenAPI format. Read more about it in the API docs.
The API endpoint can be used to:
•Configure the microvm by:
•Setting the number of vCPUs (the default is 1).
•Setting the memory size (the default is 128 MiB).
•Configuring a CPU template.
•The pl031 RTC device on aarch64 does not support interrupts, so guest programs which use an RTC alarm (e.g. hwclock) will not work.
Firecracker's performance characteristics are listed as part of the specification documentation. All specifications are a part of our commitment to supporting container and function workloads in serverless operational models, and are therefore enforced via continuous integration testing.
A firecracker (cracker, noise maker, banger) is a small explosive device primarily designed to produce a large amount of noise, especially in the form of a loud bang, usually for celebration or entertainment; any visual effect is incidental to this goal. They have fuses, and are wrapped in a heavy paper casing to contain the explosive compound.
Nov 27, 2018 · Meet Firecracker, an open source virtual machine monitor (VMM) that uses the Linux Kernel-based Virtual Machine (KVM). Firecracker allows you to create micro Virtual Machines or microVMs. Firecracker is minimalist by design – it includes only what you need to run secure and lightweight VMs.
Firecracker is a virtual machine monitor (VMM) that uses the Linux Kernel-based Virtual Machine (KVM) to create and manage microVMs. Firecracker has a minimalist design. It excludes unnecessary devices and guest functionality to reduce the memory footprint and attack surface area of each microVM.
The meaning of FIRECRACKER is a usually paper cylinder containing an explosive and a fuse and set off to make a noise. How to use firecracker in a sentence.
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