[KAFKA-4752] Streams Simple Benchmark MB/sec calculation is not correct for Join operations - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Minor
Resolution: Fixed
Affects Version/s: 0.11.0.0
Fix Version/s: 0.11.0.0
Component/s: streams
Labels:
None

Description

When benchmarking join operations via the SimpleBenchmark we produce 2 * numRecords, i.e, numRecords to topic1 and numRecords to topic2.
The CountDownLatch in the foreach keeps processing until it has received numRecords. As this is the numRecords produced from the join, the size of each record will either be VALUE_SIZE or 2 * VALUE_SIZE. The MB/s calculation doesn't take this into account.