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added telemetry for message arriaval delay

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ArnabChatterjee20k 2026-04-20 11:39:50 +05:30
parent 6b2054d0b5
commit a9fb17b067
1 changed files with 22 additions and 1 deletions
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23
app/realtime.php
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@ -394,6 +394,7 @@ $server->onWorkerStart(function (int $workerId) use ($server, $register, $stats,
Console::success('Worker ' . $workerId . ' started successfully');
$telemetry = getTelemetry($workerId);
$realtimeDelayBuckets = [100, 250, 500, 750, 1000, 1500, 2000, 3000, 5000, 7500, 10000, 15000, 30000];
$register->set('telemetry', fn () => $telemetry);
$register->set('telemetry.connectionCounter', fn () => $telemetry->createUpDownCounter('realtime.server.open_connections'));
$register->set('telemetry.connectionCreatedCounter', fn () => $telemetry->createCounter('realtime.server.connection.created'));
@ -401,7 +402,12 @@ $server->onWorkerStart(function (int $workerId) use ($server, $register, $stats,
$register->set('telemetry.deliveryDelayHistogram', fn () => $telemetry->createHistogram(
name: 'realtime.server.delivery_delay',
unit: 'ms',
advisory: ['ExplicitBucketBoundaries' => [100, 250, 500, 750, 1000, 1500, 2000, 3000, 5000, 7500, 10000, 15000, 30000]],
advisory: ['ExplicitBucketBoundaries' => $realtimeDelayBuckets],
));
$register->set('telemetry.arrivalDelayHistogram', fn () => $telemetry->createHistogram(
name: 'realtime.server.arrival_delay',
unit: 'ms',
advisory: ['ExplicitBucketBoundaries' => $realtimeDelayBuckets],
));
$attempts = 0;
@ -519,6 +525,21 @@ $server->onWorkerStart(function (int $workerId) use ($server, $register, $stats,
$pubsub->subscribe(['realtime'], function (mixed $redis, string $channel, string $payload) use ($server, $workerId, $stats, $register, $realtime) {
$event = json_decode($payload, true);
$eventTimestamp = $event['data']['timestamp'] ?? null;
if (\is_string($eventTimestamp)) {
try {
$eventDate = new \DateTimeImmutable($eventTimestamp);
$now = new \DateTimeImmutable('now', new \DateTimeZone('UTC'));
$eventTimestampMs = (float) $eventDate->format('U.u') * 1000;
$nowTimestampMs = (float) $now->format('U.u') * 1000;
$arrivalDelayMs = (int) \max(0, $nowTimestampMs - $eventTimestampMs);
$register->get('telemetry.arrivalDelayHistogram')->record($arrivalDelayMs);
} catch (\Throwable) {
// Ignore invalid timestamp payloads.
}
}
if ($event['permissionsChanged'] && isset($event['userId'])) {
$projectId = $event['project'];
$userId = $event['userId'];