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Safety Gates Invariants + HybridAsyncPersistent + Watch + Runtime Snapshots + ME Writer Ping Tracker + Parallel Recovery + Backpressure Guardrails

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-03-25 16:29:35 +03:00
parent c43de1bd2a
commit 41d786cc11
19 changed files with 384 additions and 184 deletions
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23
src/transport/middle_proxy/pool_refill.rs
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@@ -13,8 +13,22 @@ use super::pool::{MePool, RefillDcKey, RefillEndpointKey, WriterContour};
const ME_FLAP_UPTIME_THRESHOLD_SECS: u64 = 20;
const ME_FLAP_QUARANTINE_SECS: u64 = 25;
const ME_REFILL_TOTAL_ATTEMPT_CAP: u32 = 20;
impl MePool {
pub(super) async fn sweep_endpoint_quarantine(&self) {
let configured = self
.endpoint_dc_map
.read()
.await
.keys()
.copied()
.collect::<HashSet<SocketAddr>>();
let now = Instant::now();
let mut guard = self.endpoint_quarantine.lock().await;
guard.retain(|addr, expiry| *expiry > now && configured.contains(addr));
}
pub(super) async fn maybe_quarantine_flapping_endpoint(
&self,
addr: SocketAddr,
@@ -206,10 +220,15 @@ impl MePool {
async fn refill_writer_after_loss(self: &Arc<Self>, addr: SocketAddr, writer_dc: i32) -> bool {
let fast_retries = self.me_reconnect_fast_retry_count.max(1);
let mut total_attempts = 0u32;
let same_endpoint_quarantined = self.is_endpoint_quarantined(addr).await;
if !same_endpoint_quarantined {
for attempt in 0..fast_retries {
if total_attempts >= ME_REFILL_TOTAL_ATTEMPT_CAP {
break;
}
total_attempts = total_attempts.saturating_add(1);
self.stats.increment_me_reconnect_attempt();
match self
.connect_one_for_dc(addr, writer_dc, self.rng.as_ref())
@@ -250,6 +269,10 @@ impl MePool {
}
for attempt in 0..fast_retries {
if total_attempts >= ME_REFILL_TOTAL_ATTEMPT_CAP {
break;
}
total_attempts = total_attempts.saturating_add(1);
self.stats.increment_me_reconnect_attempt();
if self
.connect_endpoints_round_robin(writer_dc, &dc_endpoints, self.rng.as_ref())