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https://issues.apache.org/jira/browse/JAMES-2310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328502#comment-16328502
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ASF GitHub Bot commented on JAMES-2310:
---------------------------------------

Github user chibenwa commented on the issue:

    https://github.com/apache/james-project/pull/98
  
    > if you prefer also make LineDelimiterBasedChannelHandlerFactory 
explicitly use line frame decoder I'll make additional changes.
    
    Yes please do. Maybe it don't make a difference from a performance point of 
view, but it makes the code more straightforward and explicit. It still is a 
good move.


> Use LineBasedFrameDecoder instead of DelimiterBasedFrameDecoder
> ---------------------------------------------------------------
>
>                 Key: JAMES-2310
>                 URL: https://issues.apache.org/jira/browse/JAMES-2310
>             Project: James Server
>          Issue Type: Improvement
>          Components: IMAPServer, SMTPServer
>    Affects Versions: 3.0.1
>            Reporter: TzeKai Lee
>            Priority: Major
>
> The LineBasedFrameDecoder is optimized version of DelimiterBasedFrameDecoder 
> which provide some good performance gain. The DelimiterBasedFrameDecoder 
> already automatically use LineBasedFrameDecoder if we use 
> DelimiterBasedFrameDecoder (_but not subclass_) and with CRLF/LF as 
> delimiter. However in SMTP and IMAP server we have to subclass it, therefore 
> we should directly extend LineBasedFrameDecoder for the performance gain.



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