[GitHub] [ozone] umamaheswararao commented on a change in pull request #2872: HDDS-6009. EC: Optimize ECBlockReconstructedStripeInputStream where there are no missing data indexes

[GitBox <gi...@apache.org>]

umamaheswararao commented on a change in pull request #2872:
URL: https://github.com/apache/ozone/pull/2872#discussion_r758652612



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File path: hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/io/ECBlockReconstructedStripeInputStream.java
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@@ -246,12 +246,19 @@ public synchronized int readStripe(ByteBuffer[] bufs) throws IOException {
         }
       }
     }
-    padBuffers(toRead);
-    flipInputs();
-    decodeStripe();
-    // Reset the buffer positions after padding to the read limits so the client
-    // reads the correct amount of data.
-    setBufferReadLimits(bufs, toRead);
+    if (missingIndexes.length > 0) {

Review comment:
       What is the possibility or when missingIndexes would be 0?
   




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