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From "TzeKai Lee (JIRA)" <server-...@james.apache.org>
Subject [jira] [Created] (JAMES-2343) Use buffered file output stream for MimeMessageInputStreamSource
Date Sat, 24 Feb 2018 10:19:00 GMT
TzeKai Lee created JAMES-2343:
---------------------------------

             Summary: Use buffered file output stream for MimeMessageInputStreamSource
                 Key: JAMES-2343
                 URL: https://issues.apache.org/jira/browse/JAMES-2343
             Project: James Server
          Issue Type: Improvement
          Components: James Core
            Reporter: TzeKai Lee


Currently MimeMessageInputStreamSource use DeferredFileOutputStream from commons-io which
does _not_ buffer output stream when switched to FileOutputStream. In my preliminary test,
simply wrap FileOutputStream with BufferedOutputStream could make a 50% performance improvement
for mail larger than deferring threshold (currently 100kb).



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