[jira] [Assigned] (HDFS-11873) Ozone: Object store handler cannot serve multiple requests from single http client

2017-06-01 Thread Xiaoyu Yao (JIRA) 

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https://issues.apache.org/jira/browse/HDFS-11873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xiaoyu Yao reassigned HDFS-11873:
-

Assignee: Xiaoyu Yao  (was: Anu Engineer)

> Ozone: Object store handler cannot serve multiple requests from single http 
> client
> --
>
> Key: HDFS-11873
> URL: https://issues.apache.org/jira/browse/HDFS-11873
> Project: Hadoop HDFS
>  Issue Type: Sub-task
>  Components: HDFS-7240
>Reporter: Weiwei Yang
>Assignee: Xiaoyu Yao
>Priority: Critical
> Attachments: HDFS-11873-HDFS-7240.testcase.patch
>
>
> This issue was found when I worked on HDFS-11846. Instead of creating a new 
> http client instance per request, I tried to reuse {{CloseableHttpClient}} in 
> {{OzoneClient}} class in a {{PoolingHttpClientConnectionManager}}. However, 
> every second request from the http client hangs, which could not get 
> dispatched to {{ObjectStoreJerseyContainer}}. There seems to be something 
> wrong in the netty pipeline, this jira aims to 1) fix the problem in the 
> server side 2) use the pool for client http clients to reduce the resource 
> overhead.



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[jira] [Assigned] (HDFS-11873) Ozone: Object store handler cannot serve multiple requests from single http client

2017-05-26 Thread Anu Engineer (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HDFS-11873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Anu Engineer reassigned HDFS-11873:
---

Assignee: Anu Engineer  (was: Weiwei Yang)

> Ozone: Object store handler cannot serve multiple requests from single http 
> client
> --
>
> Key: HDFS-11873
> URL: https://issues.apache.org/jira/browse/HDFS-11873
> Project: Hadoop HDFS
>  Issue Type: Sub-task
>  Components: HDFS-7240
>Reporter: Weiwei Yang
>Assignee: Anu Engineer
>Priority: Critical
> Attachments: HDFS-11873-HDFS-7240.testcase.patch
>
>
> This issue was found when I worked on HDFS-11846. Instead of creating a new 
> http client instance per request, I tried to reuse {{CloseableHttpClient}} in 
> {{OzoneClient}} class in a {{PoolingHttpClientConnectionManager}}. However, 
> every second request from the http client hangs, which could not get 
> dispatched to {{ObjectStoreJerseyContainer}}. There seems to be something 
> wrong in the netty pipeline, this jira aims to 1) fix the problem in the 
> server side 2) use the pool for client http clients to reduce the resource 
> overhead.



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