> On Feb. 21, 2015, 12:39 a.m., Maxim Khutornenko wrote:
> > src/main/java/org/apache/aurora/scheduler/mesos/MesosSchedulerImpl.java, 
> > line 199
> > <https://reviews.apache.org/r/31248/diff/1/?file=871335#file871335line199>
> >
> >     Use StringBuilder instead to avoid heap churn.
> 
> Bill Farner wrote:
>     javac is smart enough here
>     
>     
> http://stackoverflow.com/questions/11942368/why-use-stringbuilder-explicitly-if-the-compiler-converts-string-concatenation-t
> 
> Maxim Khutornenko wrote:
>     This is not obvious and may be dependent on particular JVM complier 
> version/options. I'd rather go with an explicit approach than second guess 
> JVM internals.

Mind if we wait to observe a problem?  This seems like premature optimization 
in a relatively infrequent code path, i'd rather favor readabilty.


- Bill


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On Feb. 21, 2015, 1:11 a.m., Bill Farner wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/31248/
> -----------------------------------------------------------
> 
> (Updated Feb. 21, 2015, 1:11 a.m.)
> 
> 
> Review request for Aurora, Joshua Cohen and Maxim Khutornenko.
> 
> 
> Bugs: AURORA-1028
>     https://issues.apache.org/jira/browse/AURORA-1028
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> Export stats for source and reason for LOST tasks, and status delivery 
> latency.
> 
> 
> Diffs
> -----
> 
>   src/main/java/org/apache/aurora/scheduler/events/PubsubEvent.java 
> 1d8f0128732756db74576ee669f6a2718fecc105 
>   src/main/java/org/apache/aurora/scheduler/mesos/MesosSchedulerImpl.java 
> ffc30bb548706df7bec9e1502242890e9b5eb942 
>   src/main/java/org/apache/aurora/scheduler/mesos/SchedulerDriverModule.java 
> 59ad9e65589c421cefb76f265446fa2885e6198c 
>   src/main/java/org/apache/aurora/scheduler/mesos/TaskStatusStats.java 
> PRE-CREATION 
>   src/test/java/org/apache/aurora/scheduler/mesos/MesosSchedulerImplTest.java 
> d02c6b32841d5d39c5780e7a044079a38729effb 
>   src/test/java/org/apache/aurora/scheduler/mesos/TaskStatusStatsTest.java 
> PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/31248/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Bill Farner
> 
>

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