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KAFKA-19193: trace-log rack-specific load stats in rack-aware mode #22434

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KAFKA-19193: trace-log rack-specific load stats in rack-aware mode #22434

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15 changes: 13 additions & 2 deletions clients/src/main/java/org/apache/kafka/clients/producer/internals/BuiltInPartitioner.java
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Original file line number Diff line number Diff line change
Expand Up @@ -334,8 +334,19 @@ public void updatePartitionLoadStats(int[] queueSizes, int[] partitionIds, Strin
// Invert and fold the queue size, so that they become separator values in the CFT.
invertAndFoldQueueSizeArray(queueSizes, maxSizePlus1, length);

log.trace("Partition load stats for topic {}: CFT={}, IDs={}, length={}",
topic, queueSizes, partitionIds, length);
if (log.isTraceEnabled()) {
if (rackAware) {
assert partitionLoadStatsInThisRack != null;
log.trace(
"Partition load stats for topic {}: CFT={}, IDs={}, length={}; in producer rack: CFT={}, IDs={}, length={}",
topic,
queueSizes, partitionIds, length,
partitionLoadStatsInThisRack.cumulativeFrequencyTable, partitionLoadStatsInThisRack.partitionIds, partitionLoadStatsInThisRack.length);
} else {
log.trace("Partition load stats for topic {}: CFT={}, IDs={}, length={}",
topic, queueSizes, partitionIds, length);
}
}
partitionLoadStatsHolder = new PartitionLoadStatsHolder(
new PartitionLoadStats(queueSizes, partitionIds, length),
partitionLoadStatsInThisRack
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