Files
deb-python-kafka/kafka/metrics/stats/avg.py
Zack Dever 64e9cebfa5 Kafka metrics java port. No reporters or instrumentation.
There is no straight translation for the JMX reporter into python,
so I'll do something else in a separate commit.
2016-04-13 17:26:38 -07:00

23 lines
638 B
Python

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