anoopsjohn commented on a change in pull request #528: HBASE-22890 Verify the 
files when RegionServer is starting and BucketCache is in file mode
URL: https://github.com/apache/hbase/pull/528#discussion_r320359865
 
 

 ##########
 File path: 
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.java
 ##########
 @@ -242,6 +245,17 @@ public int compare(BlockCacheKey a, BlockCacheKey b) {
   /** In-memory bucket size */
   private float memoryFactor;
 
+  private String[] filePaths;
 
 Review comment:
   filePaths applicable for file based BC only.  Now this is made as a member 
variable in BucketCache itself. Showing a code level bad smell?   At the 
IOEngine level we have isPersistent() API.  Same way we should have API in 
IOEngine for generating and verifying the checksum?  

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