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From "wujinhu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15027) AliyunOSS: Improvements for Hadoop read from AliyunOSS
Date Wed, 03 Jan 2018 13:01:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16309614#comment-16309614
] 

wujinhu commented on HADOOP-15027:
----------------------------------

update default configure

{code:java}
467c467
< index dd71842fb87..b7c5354a646 100644
---
> index dd71842fb87..37270ffb685 100644
479c479
< +  public static final int MULTIPART_DOWNLOAD_THREAD_NUMBER_DEFAULT = 10;
---
> +  public static final int MULTIPART_DOWNLOAD_THREAD_NUMBER_DEFAULT = 16;
{code}


> AliyunOSS: Improvements for Hadoop read from AliyunOSS
> ------------------------------------------------------
>
>                 Key: HADOOP-15027
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15027
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/oss
>    Affects Versions: 3.0.0
>            Reporter: wujinhu
>            Assignee: wujinhu
>         Attachments: HADOOP-15027.001.patch, HADOOP-15027.002.patch, HADOOP-15027.003.patch,
HADOOP-15027.004.patch, HADOOP-15027.005.patch, HADOOP-15027.006.patch, HADOOP-15027.007.patch
>
>
> Currently, AliyunOSSInputStream uses single thread to read data from AliyunOSS,  so we
can do some refactoring by using multi-thread pre-read to improve read performance.



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