[jira] [Created] (ACCUMULO-3934) Improve documentation about multiple calls to iterator() sharing threads on single BatchScanner

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

Josh Elser created ACCUMULO-3934:
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             Summary: Improve documentation about multiple calls to iterator() sharing threads on single BatchScanner
                 Key: ACCUMULO-3934
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3934
             Project: Accumulo
          Issue Type: Sub-task
          Components: client, docs
            Reporter: Josh Elser
            Assignee: Josh Elser
            Priority: Minor
             Fix For: 1.6.4, 1.7.1, 1.8.0


After digging into ACCUMULO-3931, [~ecn] realized that multiple calls to {{iterator()}} on a BatchScanner would all be sharing threads on the same ThreadPool which would ultimately lead to starvation.

Add some documentation to try to make it clear that multiple calls to {{iterator()}} on a {{BatchScanner}} will share the same {{ThreadPool}}.



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