[jira] [Created] (BOOKKEEPER-1090) Use LOG.isDebugEnabled() to avoid unexpected allocations

[Matteo Merli (JIRA)]

Matteo Merli created BOOKKEEPER-1090:
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             Summary: Use LOG.isDebugEnabled() to avoid unexpected allocations
                 Key: BOOKKEEPER-1090
                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-1090
             Project: Bookkeeper
          Issue Type: Improvement
            Reporter: Matteo Merli
            Assignee: Matteo Merli
            Priority: Minor
             Fix For: 4.5.0


Using {{LOG.debug(...)}} can lead to multiple unexpected memory allocation, 
even when the logger it's turned off.

For example, {{int}} and {{long}} parameter are boxed into {{Integer}} and 
{{Long}} objects and the var-arg parameters are using an {{Object[]}} to hold
them.

We should guard all usages of {{LOG.debug()}} with the {{if 
(LOG.isDebugEnabled()}} guard.



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