hunter/scheduler: add jitter to interval on no new posts
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@ -267,6 +267,7 @@ dependencies = [
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"cave",
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"chrono",
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"log",
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"rand",
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"redis",
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"reqwest",
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"serde",
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@ -592,6 +593,17 @@ dependencies = [
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"slab",
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]
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[[package]]
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name = "getrandom"
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version = "0.2.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi 0.11.0+wasi-snapshot-preview1",
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]
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[[package]]
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name = "h2"
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version = "0.3.15"
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@ -1076,6 +1088,12 @@ version = "0.3.26"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
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[[package]]
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name = "ppv-lite86"
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version = "0.2.17"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
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[[package]]
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name = "proc-macro2"
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version = "1.0.47"
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@ -1094,6 +1112,36 @@ dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "rand"
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version = "0.8.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
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dependencies = [
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"libc",
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"rand_chacha",
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"rand_core",
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]
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[[package]]
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name = "rand_chacha"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
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dependencies = [
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"ppv-lite86",
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"rand_core",
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]
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[[package]]
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name = "rand_core"
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version = "0.6.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
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dependencies = [
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"getrandom",
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]
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[[package]]
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name = "redis"
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version = "0.22.1"
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@ -13,3 +13,4 @@ redis = { version = "0.22", features = ["tokio-comp", "connection-manager"] }
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log = "0.4"
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systemd = "0.10"
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cave = { path = "../cave" }
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rand = "0.8"
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@ -1,5 +1,6 @@
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use std::collections::{HashMap, BTreeMap};
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use std::time::Duration;
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use rand::{thread_rng, Rng};
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use tokio::time::Instant;
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const MIN_INTERVAL: Duration = Duration::from_secs(30);
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@ -56,8 +57,10 @@ impl Scheduler {
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let next_interval = match (new_post_ratio, mean_interval, last_interval) {
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(Some(new_post_ratio), Some(mean_interval), _) if new_post_ratio > 0. =>
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mean_interval,
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(_, _, Some(last_interval)) =>
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2 * last_interval,
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(_, _, Some(last_interval)) => {
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let a = thread_rng().gen_range(2. .. 3.);
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last_interval.mul_f64(a)
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}
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_ =>
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DEFAULT_INTERVAL,
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}.max(MIN_INTERVAL).min(MAX_INTERVAL);
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