chia7712 commented on code in PR #17340:
URL: https://github.com/apache/kafka/pull/17340#discussion_r2103734004
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tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java:
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@@ -471,6 +513,10 @@ public void onCompletion(RecordMetadata metadata,
Exception exception) {
if (exception == null) {
this.stats.record(latency, bytes, now);
this.stats.iteration++;
+ if (steadyStateStats != null) {
+ this.steadyStateStats.record(latency, bytes, now);
+ this.steadyStateStats.iteration++;
Review Comment:
Perhaps `steadyStateStats.iteration` could be updated within
`steadyStateStats.record`? Since record already updates many other values,
adding iteration there should be straightforward.
##########
tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java:
##########
@@ -94,7 +98,11 @@ void start(String[] args) throws IOException {
record = new ProducerRecord<>(config.topicName, payload);
long sendStartMs = System.currentTimeMillis();
- cb = new PerfCallback(sendStartMs, payload.length, stats);
+ if ( config.warmupRecords > 0 && i == config.warmupRecords ) {
+ steadyStateStats = new Stats(config.numRecords -
config.warmupRecords, config.warmupRecords > 0);
Review Comment:
According to https://github.com/apache/kafka/pull/17340/files#r1972675533,
`config.warmupRecords > 0` could be replaced by `true`, right?
##########
tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java:
##########
@@ -94,7 +98,11 @@ void start(String[] args) throws IOException {
record = new ProducerRecord<>(config.topicName, payload);
long sendStartMs = System.currentTimeMillis();
- cb = new PerfCallback(sendStartMs, payload.length, stats);
+ if ( config.warmupRecords > 0 && i == config.warmupRecords ) {
+ steadyStateStats = new Stats(config.numRecords -
config.warmupRecords, config.warmupRecords > 0);
+ stats.steadyStateActive = true;
Review Comment:
It seems this is used to stop the `printWindow`, right? If so, maybe the
better naming is `stopPrint`. WDYT?
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