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