openraft/engine/
time_state.rs

1use std::time::Duration;
2
3#[derive(Clone, Debug)]
4#[derive(PartialEq, Eq)]
5pub(crate) struct Config {
6    /// The time interval after which the next election will be initiated once the current lease has
7    /// expired.
8    pub(crate) election_timeout: Duration,
9
10    /// If this node has a smaller last-log-id than others, it will be less likely to be elected as
11    /// a leader. In this case, it is necessary to sleep for a longer period of time
12    /// `smaller_log_timeout` so that other nodes with a greater last-log-id have a chance to elect
13    /// themselves.
14    ///
15    /// Note that this value should be greater than the `election_timeout` of every other node.
16    pub(crate) smaller_log_timeout: Duration,
17
18    /// The duration of an active leader's lease.
19    ///
20    /// When a follower or learner perceives an active leader, such as by receiving an AppendEntries
21    /// message, it should not grant another candidate to become the leader during this period.
22    pub(crate) leader_lease: Duration,
23}
24
25impl Default for Config {
26    fn default() -> Self {
27        Self {
28            election_timeout: Duration::from_millis(150),
29            smaller_log_timeout: Duration::from_millis(200),
30            leader_lease: Duration::from_millis(150),
31        }
32    }
33}
openraft/engine/time_state.rs

openraft/engine/
time_state.rs
