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ME Pool Flap-Detect in statistics

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Alexey
2026-02-25 01:26:01 +03:00
parent 866c2fbd96
commit c6c3d71b08
3 changed files with 152 additions and 0 deletions
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93
src/metrics.rs
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@@ -199,6 +199,95 @@ fn render_metrics(stats: &Stats) -> String {
stats.get_pool_stale_pick_total()
);
let _ = writeln!(out, "# HELP telemt_me_writer_removed_total Total ME writer removals");
let _ = writeln!(out, "# TYPE telemt_me_writer_removed_total counter");
let _ = writeln!(
out,
"telemt_me_writer_removed_total {}",
stats.get_me_writer_removed_total()
);
let _ = writeln!(
out,
"# HELP telemt_me_writer_removed_unexpected_total Unexpected ME writer removals that triggered refill"
);
let _ = writeln!(out, "# TYPE telemt_me_writer_removed_unexpected_total counter");
let _ = writeln!(
out,
"telemt_me_writer_removed_unexpected_total {}",
stats.get_me_writer_removed_unexpected_total()
);
let _ = writeln!(out, "# HELP telemt_me_refill_triggered_total Immediate ME refill runs started");
let _ = writeln!(out, "# TYPE telemt_me_refill_triggered_total counter");
let _ = writeln!(
out,
"telemt_me_refill_triggered_total {}",
stats.get_me_refill_triggered_total()
);
let _ = writeln!(
out,
"# HELP telemt_me_refill_skipped_inflight_total Immediate ME refill skips due to inflight dedup"
);
let _ = writeln!(out, "# TYPE telemt_me_refill_skipped_inflight_total counter");
let _ = writeln!(
out,
"telemt_me_refill_skipped_inflight_total {}",
stats.get_me_refill_skipped_inflight_total()
);
let _ = writeln!(out, "# HELP telemt_me_refill_failed_total Immediate ME refill failures");
let _ = writeln!(out, "# TYPE telemt_me_refill_failed_total counter");
let _ = writeln!(
out,
"telemt_me_refill_failed_total {}",
stats.get_me_refill_failed_total()
);
let _ = writeln!(
out,
"# HELP telemt_me_writer_restored_same_endpoint_total Refilled ME writer restored on the same endpoint"
);
let _ = writeln!(out, "# TYPE telemt_me_writer_restored_same_endpoint_total counter");
let _ = writeln!(
out,
"telemt_me_writer_restored_same_endpoint_total {}",
stats.get_me_writer_restored_same_endpoint_total()
);
let _ = writeln!(
out,
"# HELP telemt_me_writer_restored_fallback_total Refilled ME writer restored via fallback endpoint"
);
let _ = writeln!(out, "# TYPE telemt_me_writer_restored_fallback_total counter");
let _ = writeln!(
out,
"telemt_me_writer_restored_fallback_total {}",
stats.get_me_writer_restored_fallback_total()
);
let unresolved_writer_losses = stats
.get_me_writer_removed_unexpected_total()
.saturating_sub(
stats
.get_me_writer_restored_same_endpoint_total()
.saturating_add(stats.get_me_writer_restored_fallback_total()),
);
let _ = writeln!(
out,
"# HELP telemt_me_writer_removed_unexpected_minus_restored_total Unexpected writer removals not yet compensated by restore"
);
let _ = writeln!(
out,
"# TYPE telemt_me_writer_removed_unexpected_minus_restored_total gauge"
);
let _ = writeln!(
out,
"telemt_me_writer_removed_unexpected_minus_restored_total {}",
unresolved_writer_losses
);
let _ = writeln!(out, "# HELP telemt_user_connections_total Per-user total connections");
let _ = writeln!(out, "# TYPE telemt_user_connections_total counter");
let _ = writeln!(out, "# HELP telemt_user_connections_current Per-user active connections");
@@ -277,6 +366,10 @@ mod tests {
assert!(output.contains("# TYPE telemt_connections_total counter"));
assert!(output.contains("# TYPE telemt_connections_bad_total counter"));
assert!(output.contains("# TYPE telemt_handshake_timeouts_total counter"));
assert!(output.contains("# TYPE telemt_me_writer_removed_total counter"));
assert!(output.contains(
"# TYPE telemt_me_writer_removed_unexpected_minus_restored_total gauge"
));
}
#[tokio::test]