ME Writer Rebinding - Lifecycle and Consistency fixes

This commit is contained in:
Alexey
2026-03-15 00:17:54 +03:00
parent dda31b3d2f
commit ac0698b772
7 changed files with 361 additions and 63 deletions

View File

@@ -236,6 +236,8 @@ pub(super) struct MeWritersSummary {
pub(super) required_writers: usize,
pub(super) alive_writers: usize,
pub(super) coverage_pct: f64,
pub(super) fresh_alive_writers: usize,
pub(super) fresh_coverage_pct: f64,
}
#[derive(Serialize, Clone)]
@@ -250,6 +252,12 @@ pub(super) struct MeWriterStatus {
pub(super) bound_clients: usize,
pub(super) idle_for_secs: Option<u64>,
pub(super) rtt_ema_ms: Option<f64>,
pub(super) matches_active_generation: bool,
pub(super) in_desired_map: bool,
pub(super) allow_drain_fallback: bool,
pub(super) drain_started_at_epoch_secs: Option<u64>,
pub(super) drain_deadline_epoch_secs: Option<u64>,
pub(super) drain_over_ttl: bool,
}
#[derive(Serialize, Clone)]
@@ -276,6 +284,8 @@ pub(super) struct DcStatus {
pub(super) floor_capped: bool,
pub(super) alive_writers: usize,
pub(super) coverage_pct: f64,
pub(super) fresh_alive_writers: usize,
pub(super) fresh_coverage_pct: f64,
pub(super) rtt_ms: Option<f64>,
pub(super) load: usize,
}

View File

@@ -314,6 +314,8 @@ async fn get_minimal_payload_cached(
required_writers: status.required_writers,
alive_writers: status.alive_writers,
coverage_pct: status.coverage_pct,
fresh_alive_writers: status.fresh_alive_writers,
fresh_coverage_pct: status.fresh_coverage_pct,
},
writers: status
.writers
@@ -329,6 +331,12 @@ async fn get_minimal_payload_cached(
bound_clients: entry.bound_clients,
idle_for_secs: entry.idle_for_secs,
rtt_ema_ms: entry.rtt_ema_ms,
matches_active_generation: entry.matches_active_generation,
in_desired_map: entry.in_desired_map,
allow_drain_fallback: entry.allow_drain_fallback,
drain_started_at_epoch_secs: entry.drain_started_at_epoch_secs,
drain_deadline_epoch_secs: entry.drain_deadline_epoch_secs,
drain_over_ttl: entry.drain_over_ttl,
})
.collect(),
};
@@ -363,6 +371,8 @@ async fn get_minimal_payload_cached(
floor_capped: entry.floor_capped,
alive_writers: entry.alive_writers,
coverage_pct: entry.coverage_pct,
fresh_alive_writers: entry.fresh_alive_writers,
fresh_coverage_pct: entry.fresh_coverage_pct,
rtt_ms: entry.rtt_ms,
load: entry.load,
})
@@ -486,6 +496,8 @@ fn disabled_me_writers(now_epoch_secs: u64, reason: &'static str) -> MeWritersDa
required_writers: 0,
alive_writers: 0,
coverage_pct: 0.0,
fresh_alive_writers: 0,
fresh_coverage_pct: 0.0,
},
writers: Vec::new(),
}