[HDFS-7398] Reset cached thread-local FSEditLogOp's on every FSEditLog#logEdit

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.7.0
• Component/s: namenode
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Gera Shegalov
• Reporter: Gera Shegalov
• Created: 14/Nov/14 06:52
• Updated: 30/Dec/15 00:02
• Resolved: 19/Nov/14 01:03

Description

This is a performance improvement and code refactoring follow-up on HDFS-7385.

Issue Links

• is duplicated by: HDFS-9293 FSEditLog's 'OpInstanceCache' instance of threadLocal cache exists dirty 'rpcId',which may cause standby NN too busy to communicate
• relates to: HDFS-7385 ThreadLocal used in FSEditLog class causes FSImage permission mess up