Abhishek Das created HADOOP-18129:
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Summary: Change URI[] in INodeLink to String[] to reduce memory
footprint of ViewFileSystem
Key: HADOOP-18129
URL: https://issues.apache.org/jira/browse/HADOOP-18129
Project: Hadoop Common
Issue Type: Bug
Reporter: Abhishek Das
Assignee: Abhishek Das
Around 40k instances of INodeLink each of which is taking memory ranging from
1680bytes to 1160bytes. Multiplying 40k with 1160bytes will give us approximate
45mb.
With changing from URI to String in INodeLink the memory consumed by each of
the INodeLink objects has reduced from ~1160 bytes to ~320 bytes. Overall size
becomes (40k X 320) 12mb
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