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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