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runtime: clarify the edge case of Builder::global_queue_interval() (#7605)

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Martin Grigorov 2025-09-16 16:41:18 +03:00 committed by GitHub
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1 changed files with 4 additions and 2 deletions
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tokio/src/runtime/builder.rs
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@ -980,8 +980,10 @@ impl Builder {
/// tasks. Setting the interval to a smaller value increases the fairness of the scheduler,
/// at the cost of more synchronization overhead. That can be beneficial for prioritizing
/// getting started on new work, especially if tasks frequently yield rather than complete
/// or await on further I/O. Conversely, a higher value prioritizes existing work, and
/// is a good choice when most tasks quickly complete polling.
/// or await on further I/O. Setting the interval to `1` will prioritize the global queue and
/// tasks from the local queue will be executed only if the global queue is empty.
/// Conversely, a higher value prioritizes existing work, and is a good choice when most
/// tasks quickly complete polling.
///
/// [the module documentation]: crate::runtime#multi-threaded-runtime-behavior-at-the-time-of-writing
///