[jira] [Created] (CALCITE-1117) Use commons httpclient instead of JDK http client

["Josh Elser (JIRA)" <ji...@apache.org>]

Josh Elser created CALCITE-1117:
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             Summary: Use commons httpclient instead of JDK http client
                 Key: CALCITE-1117
                 URL: https://issues.apache.org/jira/browse/CALCITE-1117
             Project: Calcite
          Issue Type: Sub-task
          Components: avatica
            Reporter: Josh Elser
            Assignee: Josh Elser
             Fix For: next


I've been stumbling around, trying to get a better understanding of how HttpURLConnection works (with http/1.1), applying it to some of the knowledge I have with the distributed key-value stores on Hadoop I'm familiar with.

Along the way, I found lots of recommendations to move to Apache Commons HttpClient (http://hc.apache.org) with the broad suggestion that "it's just generally better". I mocked this up and was pleasantly surprised to find that this netted about a 20% improvement over the existing http client implementation (with a stubbed-out JDBC driver inside Avatica -- just measuring Avatica itself).

Thankfully, we have an interface for the http client, so it should be easy to add a new implementation with a factory to do some client-side configuration.



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