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https://issues.apache.org/jira/browse/VELOCITY-969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17874975#comment-17874975
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John Tal commented on VELOCITY-969:
-----------------------------------

[~magdalena.karpierz]  - we are experiencing about 200 times slower processing 
in moving from Velocity 1.7 to 2.3.  How did you get the above debug logging.

> Lower scripts parser performance after update from 1.6 to 2.3 velocity version
> ------------------------------------------------------------------------------
>
>                 Key: VELOCITY-969
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-969
>             Project: Velocity
>          Issue Type: Bug
>            Reporter: Magdalena Karpierz
>            Priority: Critical
>         Attachments: SampleScript.zip
>
>
> Hello Team,
>  
> We have problems after update velocity 1.6.3 to 2.3 version with parsing 
> performance of the scripts which include many macros inside and overall 
> lenght of the script is about 3000 lines.
> Performance execution of this kind of scripts decreased 10 times, example 
> script execution in velocity1 took: 1sec. and in velocity2:  6 to 10 seconds.
>  
> Did You observe such performance issues?
> Can You suggest us a potential solution for this problem?
>  
> I prioritized this ticket as a critical, because our customers saw this 
> immediately  and it blocks some further activities.



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