Benoit Tellier created JAMES-3487:
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             Summary: Configure MimeMessageInputStreamSource THRESHOLD
                 Key: JAMES-3487
                 URL: https://issues.apache.org/jira/browse/JAMES-3487
             Project: James Server
          Issue Type: Improvement
          Components: James Core
            Reporter: Benoit Tellier


This represents the point at which we should switch from a memory storage into 
a file storage.

Defaults is 100 Kb.

Obviously this parameter is important:
 - Higher values will operate mostly in-memory thus will have low latencies but 
will trash the heap and might trigger a GC hell.
 - Lower values will defensively operate on files. Higher latencies but 
predictable throughtput. Modern SSDs and FS cache should enable to keep up with 
high rates.

Optimally we should have some bench showing the impact of this parameter.

Related to JAMES-3477.



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