Konstantin Shvachko created HDFS-14703:
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Summary: NameNode Fine-Grained Locking via Metadata Partitioning
Key: HDFS-14703
URL: https://issues.apache.org/jira/browse/HDFS-14703
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs, namenode
Reporter: Konstantin Shvachko
We target to enable fine-grained locking by splitting the in-memory namespace
into multiple partitions each having a separate lock. Intended to improve
performance of NameNode write operations.
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