スケジュールされたジョブが並行して実行されない理由を理解しようとしています。多分私の取引管理に何か問題がありますか?方法JobScheduledExecutionService.execute()
は@Scheduled
とfixedRate=250
なので、前のジョブが終了しても250msごとに起動する必要があります。ログのため、期待通りに動作しません。スケジュールされたジョブが並行して実行されない理由
ログ:https://pastebin.com/M6FaXpeE
私のコードは以下の通りです。
@Service
@Slf4j
public class JobExecutionService {
private final TransactionalJobExecutionService transactionalJobExecutionService;
@Autowired
public JobExecutionService(TransactionalJobExecutionService transactionalJobExecutionService) {
this.transactionalJobExecutionService = transactionalJobExecutionService;
}
public void execute() {
TestJob job = transactionalJobExecutionService.getJob();
executeJob(job);
transactionalJobExecutionService.finishJob(job);
}
private void executeJob(TestJob testJob) {
log.debug("Execution-0: {}", testJob.toString());
Random random = new Random();
try {
Thread.sleep(random.nextInt(3000) + 200);
} catch (InterruptedException e) {
log.error("Error", e);
}
log.debug("Execution-1: {}", testJob.toString());
}
}
@Service
@Slf4j
public class JobScheduledExecutionService {
private final JobExecutionService jobExecutionService;
@Autowired
public JobScheduledExecutionService(JobExecutionService jobExecutionService) {
this.jobExecutionService = jobExecutionService;
}
@Scheduled(fixedRate = 250)
public void execute() {
log.trace("Job fired");
jobExecutionService.execute();
}
}
@Service
@Slf4j
@Transactional
public class TransactionalJobExecutionService {
private final Environment environment;
private final TestJobRepository testJobRepository;
private final TestJobResultRepository testJobResultRepository;
@Autowired
public TransactionalJobExecutionService(Environment environment, TestJobRepository testJobRepository, TestJobResultRepository testJobResultRepository) {
this.environment = environment;
this.testJobRepository = testJobRepository;
this.testJobResultRepository = testJobResultRepository;
}
public TestJob getJob() {
TestJob testJob = testJobRepository.findFirstByStatusOrderByIdAsc(
0
);
testJob.setStatus(1);
testJobRepository.save(testJob);
return testJob;
}
public void finishJob(TestJob testJob) {
testJobResultRepository.save(
new TestJobResult(
null,
testJob.getId(),
environment.getProperty("local.server.port")
)
);
}
}
@Configuration
public class SchedulingConfigurerConfiguration implements SchedulingConfigurer {
@Override
public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
taskScheduler.setPoolSize(32);
taskScheduler.initialize();
taskRegistrar.setTaskScheduler(taskScheduler);
}
}