grpc-gcp-benchmarks/src/main/SpannerBenchmark.java [47:75]:
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      int value = Integer.parseInt(parts[1]);
      switch (key) {
        case "thread":
          vars[1] = value;
          break;
        case "rpc":
          vars[0] = value;
          break;
        case "payload_bytes":
          vars[2] = value;
          break;
      }
    }
    if (usage) {
      System.out.println(
          "Example usage:\n" + "--thread=100\n " + "--payload_bytes=4096000\n" + "--rpc=100");
      System.exit(1);
    }
    return vars;
  }

  public static void main(String[] args) throws Exception {
    int[] vars = parseArgs(args);
    logger.info(
        String.format(
            "Start Benchmark..\n"
                + "Number of Rpcs: %d\n"
                + "Number of thhreads:%d\n"
                + "Payload bytes:%d\n",
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grpc-gcp-benchmarks/src/main/java/com/google/grpc/gcp/SpannerBenchmark.java [60:89]:
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        int value = Integer.parseInt(parts[1]);
        switch (key) {
          case "thread":
            vars[1] = value;
            break;
          case "rpc":
            vars[0] = value;
            break;
          case "payload_bytes":
            vars[2] = value;
            break;
        }
      }
    }
    if (usage) {
      System.out.println(
          "Example usage:\n" + "--thread=100\n " + "--payload_bytes=4096000\n" + "--rpc=100");
      System.exit(1);
    }
    return vars;
  }

  public static void main(String[] args) throws Exception {
    int[] vars = parseArgs(args);
    logger.info(
        String.format(
            "Start Benchmark..\n"
                + "Number of Rpcs: %d\n"
                + "Number of thhreads:%d\n"
                + "Payload bytes:%d\n",
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