keith-turner commented on a change in pull request #493: Make RFileScanner use 
table props throughout
URL: https://github.com/apache/accumulo/pull/493#discussion_r189964644
 
 

 ##########
 File path: 
core/src/main/java/org/apache/accumulo/core/client/rfile/RFileScanner.java
 ##########
 @@ -179,13 +180,14 @@ public void indexWeightChanged() {}
     }
 
     this.opts = opts;
+    ConfigurationCopy tableConf = new 
ConfigurationCopy(DefaultConfiguration.getInstance());
 
 Review comment:
   It would be nice to void creating the config copy if opt.tableConfig is 
null. Maybe the following would do this :
   
   ```java
   AccumuloConfiguration tableConf;
   if(null != opts.tableConfig && opts.tableConfig.size() > 0) {
     tableConf = new ConfigurationCopy(DefaultConfiguration.getInstance());
     opts.tableConfig.forEach(tableConf::set);
   } else {
     tableConf = DefaultConfiguration.getInstance();
   }
   ```

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