m1a2st commented on code in PR #22326:
URL: https://github.com/apache/kafka/pull/22326#discussion_r3599830969
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tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java:
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@@ -623,6 +678,20 @@ public ConfigPostProcessor(ArgumentParser parser, String[]
args) throws IOExcept
if (reportingInterval <= 0) {
throw new ArgumentParserException("--reporting-interval should
be greater than zero.", parser);
}
+ this.recordKeyRange = namespace.getInt("recordKeyRange");
+ if (recordKeyRange != null && recordKeyRange <= 0) {
Review Comment:
Using --record-key-range `1` achieves this, since `recordIndex % 1` is
always `0`, all records will get key "0".
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