태그 batch-processing4 behavioral-pattern1 business1 career1 chain-of-responsibility1 connection-pool1 creational-patterns1 design-pattern6 dns1 email1 factory-pattern1 github-pages1 infra1 itemprocessor1 itemreader1 itemwriter1 java11 jekyll1 life3 maintainability1 optimization1 performance1 retrospective1 scalability1 service-outage1 spring5 spring-batch4 strategy-pattern1 structural-pattern2 template-method-pattern1 ubuntu1 virtual-threads1 블로그1 서버개발1 지마켓1