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Posted to common-issues@hadoop.apache.org by "wujinhu (JIRA)" <ji...@apache.org> on 2017/11/29 12:29:00 UTC
[jira] [Updated] (HADOOP-15027) AliyunOSS: Improvements for Hadoop
read from AliyunOSS
[ https://issues.apache.org/jira/browse/HADOOP-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
wujinhu updated HADOOP-15027:
-----------------------------
Summary: AliyunOSS: Improvements for Hadoop read from AliyunOSS (was: Improvements for Hadoop read from AliyunOSS)
> 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
>
>
> Currently, read performance is poor when Hadoop reads from AliyunOSS. It needs about 1min to read 1GB from OSS.
> Class AliyunOSSInputStream uses single thread to read data from AliyunOSS, so we can refactor this by using multi-thread pre read to improve this.
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