During April 2025, Hsmhetnr focused on stabilizing replica promotion metrics and improving cluster resilience in the valkey-io/valkey repository. They addressed a complex bug in the network bytes accounting for replica promotion, correcting the calculation to ensure accurate tracking of replication traffic. By aligning statistics updates with the actual replication state and preventing zero-byte accounting when no replicas were connected, Hsmhetnr reduced the risk of false alerts and improved capacity planning reliability. Their work involved C programming, cluster management, and rigorous debugging, resulting in a code-reviewed fix that enhanced the accuracy and reliability of metric reporting during cluster scale-out operations.