v.21.9Improvement
Add MaxPushedDDLEntryID Metric for Zookeeper Integration
Add a new metric called MaxPushedDDLEntryID which is the maximum ddl entry id that current node push to zookeeper. #27174 (Fuwang Hu).Why it matters
This metric helps monitor and debug DDL (Data Definition Language) replication by providing visibility into the highest DDL entry ID that the node has pushed to ZooKeeper, ensuring consistency and aiding in troubleshooting synchronization issues.How to use it
TheMaxPushedDDLEntryID metric is available immediately after the update and can be accessed through the node's metrics endpoint or monitoring tools querying the system metrics. No additional configuration is required to enable this metric.