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txid:< br>namenode gives a unique id for each operation event (addition, deletion, modification operation), called txid, which is generally incremented from 0. For each additional opera
Tag: NameNode
NameNode Performance Optimization (1) RPC Queue Split
1. Service RPC port NameNode uses port 8020 by default to listen to all RPC requests (HDP version), including client data requests, DataNode heartbeat and block reporting, ZKFC module monitoring an