public void updateGet(long time, long blockBytesScanned) {
    if (isEnableTableLatenciesMetrics()) {
      getTimeHistogram.update(time);
      if (blockBytesScanned > 0) {
        blockBytesScannedCount.increment(blockBytesScanned);
        getBlockBytesScanned.update(blockBytesScanned);
      }
    }
  }
Update the Get time histogram .
@param time              time it took
@param blockBytesScanned size of block bytes scanned to retrieve the response
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/metrics/MetricsTableRequests.java