Beike Product & Technology
Jun 28, 2019 · Big Data
Hadoop NameNode Performance Bottlenecks and Solutions: Federation, ViewFS, FastCopy, Balance & Mover
This article analyzes the performance and stability bottlenecks of a Hadoop 2.7.3 NameNode caused by memory limits, RPC QPS, and long restart times, and presents a comprehensive solution stack—including HDFS federation, ViewFS, FastCopy, and tuned Balance/Mover tools—to improve scalability and reduce downtime.
FastCopyFederationHadoop
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