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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] [Work logged] (HADOOP-18129) Change URI[] in INodeLink to String[] to reduce memory footprint of ViewFileSystem

     [ https://issues.apache.org/jira/browse/HADOOP-18129?focusedWorklogId=729413&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-729413 ]

ASF GitHub Bot logged work on HADOOP-18129:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 18/Feb/22 04:21
            Start Date: 18/Feb/22 04:21
    Worklog Time Spent: 10m 
      Work Description: abhishekdas99 opened a new pull request #3996:
URL: https://github.com/apache/hadoop/pull/3996


   https://issues.apache.org/jira/browse/HADOOP-18129
   
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   ### Description of PR
   
   
   ### How was this patch tested?
   
   
   ### For code changes:
   
   - [ ] Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
   - [ ] Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 729413)
    Remaining Estimate: 0h
            Time Spent: 10m

> 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
>          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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