saintstack commented on a change in pull request #3596:
URL: https://github.com/apache/hbase/pull/3596#discussion_r695989943



##########
File path: 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFileInfo.java
##########
@@ -45,11 +43,18 @@
 import org.slf4j.LoggerFactory;
 
 /**
- * Describe a StoreFile (hfile, reference, link)
+ * Describe a StoreFile (hfile, reference, link).
  */
 @InterfaceAudience.Private
 public class StoreFileInfo {
   private static final Logger LOG = 
LoggerFactory.getLogger(StoreFileInfo.class);
+  /**
+   * Cached fileStatus for file or if a link or a reference, then the 
fileStatus of the referred-to
+   * file. We cache filestatus rather than ask NN each time we need it. We set 
it after construction

Review comment:
       Thanks. Let me fix.




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