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Alex Kumar

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Hey Alex! Did you manage to test the Redis clustering failover scenario under load?

2h ago• Delivered
AK

Yes! We saw a 350ms blip during sentinel master re-election, but circuit breakers caught 99% of requests.

1h ago

Awesome. What mechanism are you using for distributed lock renewal?

1h ago• Delivered
AK
go
func AcquireLock(ctx context.Context, client *redis.Client, key string, ttl time.Duration) (string, error) {
    token := uuid.New().String()
    ok, err := client.SetNX(ctx, "lock:"+key, token, ttl).Result()
    if err != nil || !ok {
        return "", ErrLockBusy
    }
    // Launch renewal heartbeat goroutine
    go renewLock(ctx, client, key, token, ttl)
    return token, nil
}
10m ago