Rohini Palaniswamy created PIG-4958:
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Summary: Tez autoparallelism estimation for order by is higher
than mapreduce
Key: PIG-4958
URL: https://issues.apache.org/jira/browse/PIG-4958
Project: Pig
Issue Type: Bug
Reporter: Rohini Palaniswamy
Assignee: Rohini Palaniswamy
Fix For: 0.17.0
The input size is calculated from the size of the samples in memory. Size in
memory is usually 4x or more than the serialized size. Mapreduce estimates the
number of reducers based on serialized size.
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