keith-turner commented on issue #384: ACCUMULO-4789 Avoid creating expensive 
thread name
   > I know there was some uncertainty with changing this debug information in 
1.8... was there something that brought you to a decision? I am just wondering 
what your final thoughts were...
   It was the magnitude of the performance impact.  For lots of really small 
lookups I was seeing the code spend 10% to 15% of its time creating this thread 
name.  With this change, it hardly shows up.  So my thinking was the thread 
names still has some useful info, but its much faster to create now.  

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