Adriano Machado created CAMEL-26474:
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Summary: camel-management - StatisticCounter: do not update the
counter with 0
Key: CAMEL-26474
URL: https://issues.apache.org/jira/browse/CAMEL-26474
Project: Camel
Issue Type: Sub-task
Reporter: Adriano Machado
Assignee: Adriano Machado
Fix For: 4.24.0
Follow\-up of CAMEL\-26393 under CAMEL\-25132. {{StatisticCounter.updateValue}}
calls {{LongAdder.add}} even with 0, which still does a compare and set on a
shared cell and changes nothing. Most nodes of a fast route complete within a
millisecond, so {{totalProcessingTime}} is updated with 0 for processor, route
and context counters on almost every node.
Measured with the default statistics level on a 10 node route, JDK 21 Linux
arm64 with 9 CPUs, 3 rounds: about 1.38M to 1.84M exchanges per second at 8
threads, and about 910k to 1.06M at 4 threads. Single threaded throughput does
not change. A shared clock read per node was also tried, and it added nothing
measurable.
_Claude Code on behalf of Adriano Machado \(@ammachado\)_
_This was generated by an AI agent and may contain inaccuracies. Please verify
before relying on it._
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