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24 lines
678 B
24 lines
678 B
from __future__ import absolute_import
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from kafka.metrics.stats.sampled_stat import AbstractSampledStat
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class Avg(AbstractSampledStat):
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"""
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An AbstractSampledStat that maintains a simple average over its samples.
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"""
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def __init__(self):
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super(Avg, self).__init__(0.0)
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def update(self, sample, config, value, now):
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sample.value += value
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def combine(self, samples, config, now):
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total_sum = 0
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total_count = 0
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for sample in samples:
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total_sum += sample.value
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total_count += sample.event_count
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if not total_count:
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return 0
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return float(total_sum) / total_count
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