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Posted to common-issues@hadoop.apache.org by "Mehakmeet Singh (Jira)" <ji...@apache.org> on 2020/06/14 23:00:09 UTC

[jira] [Updated] (HADOOP-17020) Improving RawFileSystem Performance

     [ https://issues.apache.org/jira/browse/HADOOP-17020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mehakmeet Singh updated HADOOP-17020:
-------------------------------------
    Summary: Improving RawFileSystem Performance  (was: RawFileSystem could localize default block size to avoid sync bottleneck in config)

> Improving RawFileSystem Performance
> -----------------------------------
>
>                 Key: HADOOP-17020
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17020
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>            Reporter: Rajesh Balamohan
>            Assignee: Mehakmeet Singh
>            Priority: Minor
>         Attachments: HADOOP-17020.1.patch, Screenshot 2020-04-29 at 5.24.53 PM.png, Screenshot 2020-05-01 at 7.12.06 AM.png
>
>
> Improving RawFileSystem performance.
> Changes:
>  * RawLocalFileSystem could localize the default block size to avoid sync bottleneck with a Configuration object.
> [https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/RawLocalFileSystem.java#L666]
>  * Exists() override method for optimization.



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