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udp load test: use Gamma distribution for torrent selection

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This commit is contained in:
Joakim Frostegård 2022-10-26 19:45:39 +02:00
parent 15f8d30518
commit 2b9db63984
5 changed files with 22 additions and 17 deletions
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15
aquatic_udp_load_test/src/config.rs
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@ -101,10 +101,10 @@ pub struct RequestConfig {
/// Probability that a generated request is a scrape request, as part
/// of sum of the various weight arguments.
pub weight_scrape: usize,
/// Pareto shape
///
/// Fake peers choose torrents according to Pareto distribution.
pub torrent_selection_pareto_shape: f64,
/// Peers choose torrents according to this Gamma distribution shape
pub torrent_gamma_shape: f64,
/// Peers choose torrents according to this Gamma distribution scale
pub torrent_gamma_scale: f64,
/// Probability that a generated peer is a seeder
pub peer_seeder_probability: f64,
/// Probability that an additional connect request will be sent for each
@ -116,12 +116,13 @@ impl Default for RequestConfig {
fn default() -> Self {
Self {
number_of_torrents: 10_000,
peer_seeder_probability: 0.25,
scrape_max_torrents: 50,
weight_connect: 0,
weight_announce: 5,
weight_announce: 100,
weight_scrape: 1,
torrent_selection_pareto_shape: 2.0,
torrent_gamma_shape: 0.2,
torrent_gamma_scale: 100.0,
peer_seeder_probability: 0.25,
additional_request_probability: 0.5,
}
}