Jing Zhao created HDFS-7508:
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Summary: Clean up path resolving in FSNamesystem/FSDirectory
Key: HDFS-7508
URL: https://issues.apache.org/jira/browse/HDFS-7508
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Reporter: Jing Zhao
Assignee: Jing Zhao
There are several issues with our current path resolving process:
# For a single operation we may repeat resolving the same path
# Each operation needs to invoke multiple calls for path resolving, including
handling reserved path, breaking the path into components, identifying
corresponding inodes etc. This makes the path resolving process hard to follow.
# The logic in INodesInPath is complicated and not direct.
Ideally for each operation we should only resolve the path once in the
beginning, and always use the INodesInPath instance afterwards. This requires a
lot of code cleanup. We will use this jira as the umbrella jira to track all
the efforts.
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