vivo Internet Technology

Jul 9, 2025 · Big Data

Why Pulsar Partition Metrics Vanish After Broker Restart? Root Cause & Fix

During a gray‑scale upgrade, a Vivo Pulsar deployment using the KoP protocol experienced a sudden drop in partition consumption rates because the consumer group name vanished from Zookeeper nodes, prompting an in‑depth analysis of the root cause, replication steps, and three progressively refined remediation strategies.