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ME Pool V2

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Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
This commit is contained in:
Alexey
2026-02-19 13:35:56 +03:00
parent 433e6c9a20
commit 35ae455e2b
13 changed files with 343 additions and 137 deletions
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13
src/transport/middle_proxy/rotation.rs
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@@ -31,8 +31,17 @@ pub async fn me_rotation_task(pool: Arc<MePool>, rng: Arc<SecureRandom>, interva
info!(addr = %w.addr, writer_id = w.id, "Rotating ME connection");
match pool.connect_one(w.addr, rng.as_ref()).await {
Ok(()) => {
// Mark old writer for graceful drain; removal happens when sessions finish.
pool.mark_writer_draining(w.id).await;
tokio::time::sleep(Duration::from_secs(2)).await;
let ws = pool.writers.read().await;
let new_alive = ws.iter().any(|nw|
nw.id != w.id && nw.addr == w.addr && !nw.degraded.load(Ordering::Relaxed) && !nw.draining.load(Ordering::Relaxed)
);
drop(ws);
if new_alive {
pool.mark_writer_draining(w.id).await;
} else {
warn!(addr = %w.addr, writer_id = w.id, "New writer died, keeping old");
}
}
Err(e) => {
warn!(addr = %w.addr, writer_id = w.id, error = %e, "ME rotation connect failed");