{
  "ticket": "U57 #94",
  "status": "passed",
  "startedAt": "2026-10-28T13:09:09.796048+08:00",
  "finishedAt": "2026-10-28T13:10:29.696490+08:00",
  "input": "python3 labs/kafka-reliability/run.py",
  "exitCode": 0,
  "environment": {
    "os": "macOS-27.2-arm64-arm-64bit",
    "arch": "arm64",
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    "dependencies": {
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  "expectedTestCount": 8,
  "expectedTestNames": [
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    "conflictingIdempotenceConfigurationIsRejectedByClient",
    "cooperativeRebalanceMovesPartitionsToSurvivor",
    "minIsrRejectsBeforeAppendAndRecoversAfterBrokersReturn",
    "restartFromCommittedOffsetReplaysUncommittedWork",
    "retentionDeletesRecordsBeforeSlowConsumerCatchesUp",
    "sendOffsetsToTransactionMakesOffsetsAndOutputAtomic",
    "transactionalIdFencesOldProducerInsteadOfDuplicating"
  ],
  "reports": [
    {
      "name": "study.kafkareliability.KafkaReliabilityTest",
      "tests": "8",
      "failures": "0",
      "errors": "0",
      "skipped": "0",
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        "restartFromCommittedOffsetReplaysUncommittedWork",
        "conflictingIdempotenceConfigurationIsRejectedByClient",
        "minIsrRejectsBeforeAppendAndRecoversAfterBrokersReturn",
        "cooperativeRebalanceMovesPartitionsToSurvivor",
        "retentionDeletesRecordsBeforeSlowConsumerCatchesUp",
        "transactionalIdFencesOldProducerInsteadOfDuplicating",
        "sendOffsetsToTransactionMakesOffsetsAndOutputAtomic"
      ],
      "sha256": "13a14e9f9de996f86c358cca1ff933d409af18349a031ea0d9018e5a03eb8dec"
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    "U57 cooperativeRebalance=PASS initial=1+1 survivor=0,1 polls=7",
    "U57 retention=PASS beginningAdvancedTo=3 resetNone=OffsetOutOfRange resetEarliest=silentResetTo3 lagDoesNotPreventDeletion=true",
    "U57 producerFencing=PASS old=InvalidProducerEpochException current=committed visible=1",
    "U57 eosOffsets=PASS abortedAttempt=offsets0,outputNone committedAttempt=offsets2,output1"
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        "U57 idempotenceConfig=PASS acks1Explicit=ConfigException retries0=ConfigException inFlight6=ConfigException implicitAcks1=idempotence-disabled-silently",
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        "U57 cooperativeRebalance=PASS initial=1+1 survivor=0,1 polls=7",
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    "README.md": "aecab209fa0d3ae74cab276d4443770664c6c69f71d1a5ed6c0bf376f772b766",
    "src/test/java/study/kafkareliability/KafkaClusterFixture.java": "e466ae3ec1e412feb759b65833d65005813a53239271f3c768cd916233ae208a",
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  "logs": "/Users/gaochao/.cache/software-engineering-study/java-depth-impl/u57/run-uc87xtzj",
  "cleanup": {
    "processGroups": "本入口创建的进程组已逐条回收（每条命令后 cleanup_group；清理失败会置非零退出并阻止 passed）",
    "resources": "测试 fixture 关闭 Kafka 集群、Admin 客户端与临时目录"
  },
  "limits": [
    "KafkaClusterTestKit 在同一测试 JVM 内启动 3 broker + 3 controller 的真实 KRaft 集群（真实 broker 代码、随机端口、独立目录），不是 listener mock；但不是多机进程、网络分区或断电实验",
    "未运行 RabbitMQ（归 U58）、RocketMQ 回查（U59）、多地域复制、broker 磁盘故障、生产 TLS/SASL、容量压测",
    "保留删除实验使用 4 秒 retention 与 1 秒 segment，只证明本输入下位点越界后读端的行为，不外推生产保留策略",
    "幂等/事务结论限定 Kafka 4.1.2 客户端与 broker；数据库/支付等外部副作用不在 Kafka 原子域内",
    "U57 不重写 3.7.1 机制教材；3.7.1 源码结论与 4.1.2 运行行为分开登记，不把不同 tag 拼成一次运行"
  ]
}