zhenzhao wang created HADOOP-17238:
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Summary: Add ViewFileSystem/InodeTree Mount points Resolution
Cache
Key: HADOOP-17238
URL: https://issues.apache.org/jira/browse/HADOOP-17238
Project: Hadoop Common
Issue Type: Improvement
Components: viewfs
Reporter: zhenzhao wang
Assignee: zhenzhao wang
Now the ViewFileSystem walkthrough InodeTree to resolve the passed-in path.
This could be optimized by adding a cache of resolution result. It will benefit
all kinds of mount points. And it is also very useful to reduce the Regex parse
cost of Regex Mount points introduced in HADOOP-15891
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