Daryn Sharp created HDFS-12143:
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Summary: Improve performance of getting and removing inode features
Key: HDFS-12143
URL: https://issues.apache.org/jira/browse/HDFS-12143
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Affects Versions: 2.8.0
Reporter: Daryn Sharp
Assignee: Daryn Sharp
Getting a feature uses an iterator which is less performant than an indexed for
loop. Feature lookups are becoming more prolific so cycles count.
Removing a feature requires building a string for up to 3 precondition checks.
The worst case of 3 is the penalty for a successful removal.
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