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https://issues.apache.org/jira/browse/JAMES-2343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16464309#comment-16464309
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ASF GitHub Bot commented on JAMES-2343:
---------------------------------------
Github user chikei commented on the issue:
https://github.com/apache/james-project/pull/105
I use mail queue factory like this
[NoopQueueFactory](https://gist.github.com/chikei/f35a5000a41a000a3e34fc1692f7aab7)
(I actually use scala and manual wiring when doing benchmarks so I don't have
guice code).
Running and timing each test with `smtp-source` from Postfix: `time
smtp-source -l <size> -m 10000 -s 100 <james server ip>`
> 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
> Priority: Major
>
> 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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