44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
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#
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# OtterTune - LatencyUDF.py
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#
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# Copyright (c) 2017-18, Carnegie Mellon University Database Group
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#
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import sys
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import json
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from collections import OrderedDict
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def main():
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if (len(sys.argv) != 2):
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raise Exception("Usage: python udf.py [Output Directory]")
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with open(sys.argv[1] + "/summary.json", "r") as f:
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conf = json.load(f,
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encoding="UTF-8",
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object_pairs_hook=OrderedDict)
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start_time = conf['start_time']
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end_time = conf['end_time']
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with open(sys.argv[1] + "/metrics_before.json", "r") as f:
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conf_before = json.load(f,
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encoding="UTF-8",
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object_pairs_hook=OrderedDict)
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conf_before['global']['udf'] = OrderedDict([("latency", "0")])
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with open(sys.argv[1] + "/metrics_after.json", "r") as f:
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conf_after = json.load(f,
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encoding="UTF-8",
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object_pairs_hook=OrderedDict)
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conf_after['global']['udf'] = OrderedDict([("latency", str(end_time - start_time))])
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with open(sys.argv[1] + "/metrics_before.json", "w") as f:
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f.write(json.dumps(conf_before, indent=4))
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with open(sys.argv[1] + "/metrics_after.json", "w") as f:
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f.write(json.dumps(conf_after, indent=4))
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if __name__ == "__main__":
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main()
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