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  1. Hadoop HDFS




Tag for performance related improvements/optimizations

Issues: Unresolved

Key Summary Due Date
Improvement HDFS-8562 HDFS Performance is impacted by FileInputStream Finalizer
Improvement HDFS-918 Use single Selector and small thread pool to replace many instances of BlockSender for reads
Improvement HDFS-1148 Convert FSDataset to ReadWriteLock

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Issues: Updated recently

Key Summary Updated
Improvement HDFS-9260 Improve the performance and GC friendliness of NameNode startup and full block reports
Bug HDFS-5790 LeaseManager.findPath is very slow when many leases need recovery
Bug HDFS-9364 Unnecessary DNS resolution attempts when creating NameNodeProxies

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Versions: Unreleased

Name Release date
Unreleased Multiple interfaces (HDFS-3140)  
Unreleased 1.3.0  
Unreleased DisasterRecovery (HDFS-5442)  
Unreleased HADOOP-10388  
Unreleased HDFS-6994  
Unreleased HDFS-7285  
Unreleased HDFS-7836  
Unreleased HDFS-7240  
Unreleased HDFS-7966  
Unreleased HDFS-8707  
Unreleased HDFS-8966  
Unreleased HDFS-1312  
Unreleased 2.9.0  
Unreleased HDFS-9178  
Unreleased 2.7.4  
Unreleased HDFS-9924  
Unreleased 3.0.0-beta1  
Unreleased HDFS-10285  
Unreleased 2.6.6  
Unreleased oz  
Unreleased HDFS-10467  
Unreleased 2.8.2  
Unreleased ozone  
Unreleased HDFS010285  
Unreleased 2.8.3  

...and 20 more

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