client-mr/core/src/main/java/org/apache/hadoop/mapred/SortWriteBuffer.java [102:110]:
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          public int compare(Record<K> o1, Record<K> o2) {
            return comparator.compare(
                buffers.get(o1.getKeyIndex()).getBuffer(),
                o1.getKeyOffSet(),
                o1.getKeyLength(),
                buffers.get(o2.getKeyIndex()).getBuffer(),
                o2.getKeyOffSet(),
                o2.getKeyLength());
          }
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client-tez/src/main/java/org/apache/tez/runtime/library/common/sort/buffer/WriteBuffer.java [108:116]:
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            public int compare(Record<K> o1, Record<K> o2) {
              return comparator.compare(
                  buffers.get(o1.getKeyIndex()).getBuffer(),
                  o1.getKeyOffSet(),
                  o1.getKeyLength(),
                  buffers.get(o2.getKeyIndex()).getBuffer(),
                  o2.getKeyOffSet(),
                  o2.getKeyLength());
            }
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