Maja Kabiljo created GIRAPH-266:
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Summary: Average aggregators don't calculate real average
Key: GIRAPH-266
URL: https://issues.apache.org/jira/browse/GIRAPH-266
Project: Giraph
Issue Type: Bug
Reporter: Maja Kabiljo
Assignee: Maja Kabiljo
Average aggregators calculate average on workers, and then workers' averages
are sent to the master, where we actually calculate the average of averages.
For example, if one worker aggregates value 2, the other values 4 and 6, and
third values 8, 8 and 8, we'll get the result of 5 instead of 6.
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