[jira] [Created] (HDFS-11873) Ozone: Object store handler cannot serve requests from same http client

["Weiwei Yang (JIRA)" <ji...@apache.org>]

Weiwei Yang created HDFS-11873:
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             Summary: Ozone: Object store handler cannot serve requests from same 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: Weiwei Yang
            Priority: Critical


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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