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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14473) Optimize NativeAzureFileSystem::seek for forward seeks
Date Wed, 31 May 2017 23:31:04 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mingliang Liu updated HADOOP-14473:
-----------------------------------
    Target Version/s: 2.9.0, 3.0.0-alpha4

> Optimize NativeAzureFileSystem::seek for forward seeks
> ------------------------------------------------------
>
>                 Key: HADOOP-14473
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14473
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>            Reporter: Rajesh Balamohan
>            Priority: Minor
>
> {{NativeAzureFileSystem::seek()}} closes and re-opens the inputstream irrespective of
forward/backward seek. It would be beneficial to re-open the stream on backward seek.
> https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java#L889



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