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https://issues.apache.org/jira/browse/HDFS-11873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao updated HDFS-11873:
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Attachment: HDFS-11873-HDFS-7240.004.patch
fix checkstyle issue by removing the unused imports.
> 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: ozone
> Reporter: Weiwei Yang
> Assignee: Xiaoyu Yao
> Priority: Critical
> Labels: ozoneMerge
> Attachments: HDFS-11873-HDFS-7240.001.patch,
> HDFS-11873-HDFS-7240.002.patch, HDFS-11873-HDFS-7240.003.patch,
> HDFS-11873-HDFS-7240.004.patch, 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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