spring-boot-batch

http://www.kswaughs.com/2016/03/spring-boot-batch-job-scheduler-example.html
https://github.com/sidnan/spring-batch-scheduler-example/tree/master/src/main/resources


// incrementer
https://stackoverflow.com/questions/19814860/spring-batch-incrementer-is-ignored
https://stackoverflow.com/questions/26166992/spring-batch-a-job-instance-already-exists


https://stackoverflow.com/questions/9787470/how-could-i-guarantee-that-only-one-jobinstance-of-a-job-run-at-the-same-time
https://stackoverflow.com/questions/28916980/how-to-find-any-of-previously-running-job-task-is-not-running-in-spring-batch-i
https://stackoverflow.com/questions/23543426/multi-tenant-job-repository-in-spring-batch
https://stackoverflow.com/questions/26166992/spring-batch-a-job-instance-already-exists
https://stackoverflow.com/questions/19814860/spring-batch-incrementer-is-ignored


https://blog.codecentric.de/en/2012/03/transactions-in-spring-batch-part-1-the-basics/