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From "Ayush Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-16282) AvoidFileStream to improve performance
Date Wed, 01 May 2019 04:53:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-16282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ayush Saxena updated HADOOP-16282:
----------------------------------
    Attachment: HADOOP-16282-02.patch

> AvoidFileStream to improve performance
> --------------------------------------
>
>                 Key: HADOOP-16282
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16282
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Ayush Saxena
>            Assignee: Ayush Saxena
>            Priority: Major
>         Attachments: HADOOP-16282-01.patch, HADOOP-16282-02.patch
>
>
> The FileInputStream and FileOutputStream classes contains a finalizer method which will
cause garbage collection pauses. See [JDK-8080225|https://bugs.openjdk.java.net/browse/JDK-8080225]
for details.
> The FileReader and FileWriter constructors instantiate FileInputStream and FileOutputStream,
again causing garbage collection issues while finalizer methods are called.



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