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Posted to issues@camel.apache.org by "Manuel Shenavai (Jira)" <ji...@apache.org> on 2020/01/22 15:29:00 UTC

[jira] [Created] (CAMEL-14425) Mail Consumer Performance Optimization

Manuel Shenavai created CAMEL-14425:
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             Summary: Mail Consumer Performance Optimization
                 Key: CAMEL-14425
                 URL: https://issues.apache.org/jira/browse/CAMEL-14425
             Project: Camel
          Issue Type: Bug
          Components: camel-mail
            Reporter: Manuel Shenavai
         Attachments: performance.PNG

Hi,

we use the camel mail component and noticed a performance issue if we poll a mailbox with a lot of messages (30.000+), though we set a small value for maxMessagesPerPoll and FetchSize. I found that all available messages are looped through multiple times.


In a test I measured the number of messages processed in 5 seconds for different amount of available messages in the inbox before and after optimizing the code. MaxMessagePerPoll is set to 3.

I attach a picture with the results of the measurement.


https://github.com/mash-sap/camel/commit/1a92bf9da8f06541a926e5f9c78947c2e62ef7f2

 

This problem affects not a specific version.


Best regards,
Manuel



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