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Rate Limits

This document describes how to configure rate limiting for Dragonfly.

The following diagram illustrates the usage of download rate limit, upload rate limit, and prefetch rate limit for the client.

rate-limit

Bandwidth​

Outbound Bandwidth​

Used for P2P sharing of piece bandwidth. If the peak bandwidth is greater than the default outbound bandwidth, you can set rateLimit higher to increase the upload speed. It is recommended that the configuration be the same as the inbound bandwidth of the machine. Please refer to dfdaemon config.

upload:
  # -- rateLimit is the default rate limit of the upload speed in KiB/MiB/GiB per second, default is 10GiB/s.
  rateLimit: 10GiB

Inbound Bandwidth​

Used for back-to-source bandwidth and download bandwidth from remote peer. If the peak bandwidth is greater than the default inbound bandwidth, rateLimit can be set higher to increase download speed. It is recommended that the configuration be the same as the outbound bandwidth of the machine. Please refer to dfdaemon config.

download:
  # -- rateLimit is the default rate limit of the download speed in KiB/MiB/GiB per second, default is 10GiB/s.
  rateLimit: 10GiB

Prefetch Bandwidth​

Download bandwidth used for prefetch requests, which can prevent network overload and reduce competition with other active download tasks, thereby enhancing overall system performance. refer to dfdaemon config.

proxy:
  # prefetchRateLimit is the rate limit of the prefetch speed in KiB/MiB/GiB per second, default is 2GiB/s.
  # The prefetch request has lower priority so limit the rate to avoid occupying the bandwidth impact other download tasks.
  prefetchRateLimit: 2GiB

Request​

Upload Request​

Used to rate limit upload requests in grpc server. Please refer to dfdaemon config.

upload:
  server:
    # request_rate_limit is the rate limit of the upload request in the upload grpc server, default is 4000 req/s.
    requestRateLimit: 4000

Download Request​

Used to rate limit download requests in grpc server. Please refer to dfdaemon config.

download:
  server:
    # request_rate_limit is the rate limit of the download request in the download grpc server, default is 4000 req/s.
    requestRateLimit: 4000