[HDFS-5238] Improve NN operation throughput

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.0-alpha, 3.0.0-alpha1
• Component/s: namenode
• Assignee: Daryn Sharp
• Reporter: Daryn Sharp
• Created: 20/Sep/13 14:19
• Updated: 12/May/16 18:13

Description

Umbrella jira to track improvements from profiling the NN.

Issue Links

• is related to: HADOOP-9953 Improve RPC server throughput

Sub-Tasks

• Allow FSNamesystem lock fairness to be configurable: Closed
• Separate formatting from logging in the audit logger API: Closed
• Provide alternate queuing audit logger to reduce logging contention: Closed
• Reduce contention on DatanodeInfo instances: Resolved
• Remove contention during block token creation: Open
• Add support for async edit logging: Resolved
• Reduce the performance impact of the balancer: Patch Available