[jira] [Created] (SOLR-11596) SolrJ clients -- create internal HttpClient objects with increased thread capability

["Shawn Heisey (JIRA)" <ji...@apache.org>]

Shawn Heisey created SOLR-11596:
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             Summary: SolrJ clients -- create internal HttpClient objects with increased thread capability
                 Key: SOLR-11596
                 URL: https://issues.apache.org/jira/browse/SOLR-11596
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: clients - java
    Affects Versions: 7.1
            Reporter: Shawn Heisey
            Priority: Minor


The HttpClient object that various SolrClient implementations create has HttpClient's default per-destination thread limit of two.  I'm not sure why they went with such a low default, but that's out of our hands.  The low default makes default SolrClient objects that are thread-safe, but basically unable to handle more than two threads at the same time.

Increasing this limit in user programs is very doable by creating a custom HttpClient object, but the amount of code required is fairly extensive.

I think that when our client implementations create an HttpClient object, they should explicitly increase the thread limits to larger default values, and expose configuration knobs for those values in the fluent interface.




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