Blutgang - the wd40 of ethereum load balancers
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Blutgang is a blazing fast, caching, minimalistic load balancer designed with Ethereum's JSON-RPC in mind. Historical RPC queries are cached in a local database, bypassing the need for slow, repeating calls to your node.
For more info about blutgang and how to use it, please check out the wiki.
How to run
For detailed instructions on how to use blutgang, please read the wiki.
Using cargo
To install blutgang via cargo, run the following command:
Once done, grab the example_config.toml
from this repository, modify it to your liking, and start blutgang with it.
From source
Clone the repository, and find the example_config.toml
file. Edit it to your liking, and run cargo run --release -- -c example_config.toml
.
If you want to use command line arguments instead, please run cargo run --release -- --help
for more info. Keep in mind that the recommended way to run blutgang is via a config file.
Max performance
If you need the absolute maximum performance from blutgang, compile it using the command below:
RUSTFLAGS='-C target-cpu=native'
Docker
The official docker image is available on dockerhub.
You must provide a config file to the docker container, as well as expose the port specified. Example:
Nix
Using Flakes and the nix-community/ethereum.nix overlay:
Benchmarks
Benchmarks were performed with a Ryzen 7 2700X, NVME SSD, and default Ubuntu 23.04 kernel. Same RPC endpoints were used
Acknowledgements
Blutgang is standing on the shoulders of giants. Thank you to all the contributors of the projects above!
License
Blutgang is licensed under the FSL. Without permission, this means you are allowed to use Blutgang for everything except commercial use cases, such as selling RPC access, and building other load balancers. Internal evaluation and any non-commercial use case is explicitly allowed. Two years after release, that specific version becomes licensed under the Apache-2.0 license.
For commercial support, which includes deployment scripts, relicensing options, ansible playbooks and more, contact us for a commercial license!