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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/02/18 04:22:00 UTC
[jira] [Updated] (HADOOP-18129) Change URI[] in INodeLink to String[] to reduce memory footprint of ViewFileSystem
[ https://issues.apache.org/jira/browse/HADOOP-18129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HADOOP-18129:
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Labels: pull-request-available (was: )
> 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
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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