"Let's put an end to Spring Batch. Putting a stop to the dark ages of batch code.💀"
1,723 learners
Level Basic
Course period Unlimited
💀 Spring Batch's Chunk-Oriented Processing Model and Tasklet-Oriented Processing 💀
💀 A Complete Understanding of ItemReader, ItemProcessor, and ItemWriter 💀
💀 Implement failure recovery and retry mechanism (both Batch5 & Batch6 model) 💀
💀 Job and Step Lifecycle and Execution Context Management 💀
💀 Multi-threaded Step (both Batch5 & Batch6 model) 💀
💀 Large-scale Data Parallel Processing Using Partitioning 💀
💀 SEDA Pattern Using Local Chunking and Parallel Steps 💀
💀Spring Batch 5 & (NEW)Spring Batch 6 💀
⛔ I should stop here... There's so much that the system almost crashed. (Don't worry. I'll teach you everything)⛔
Who is this course right for?
💀 "Can you handle Spring Batch?" ... (cold laughter) To all the soldiers breaking out in cold sweat at this question 💀
💀For those soldiers who only dig into Spring Web and are too scared to even look at Batch...💀
💀To the soldiers who have lost millions of records by copy-pasting someone else's batch code...💀
💀For those soldiers who barely survived with Googled code and are now reaching their limits...💀
💀"Since it's going to be running at night anyway..." To those soldiers trembling in fear after hastily putting it together...💀
💀Soldiers who abuse the database every night...💀
⛔ Anyone who wants to join KILL-9 SQUAD...⛔
Need to know before starting?
⛔ Don't approach people like this ⛔
💀 Those who don't know Spring and Spring Boot, begone (This trial is still too early for you) 💀
💀 Step aside, those who claim they've just printed "Hello World" (you know nothing of true suffering...) 💀
💀 Those who have not yet experienced the pain of deployment, begone (Enjoy your peaceful time... until that day comes...) 💀
1,723
Learners
79
Reviews
130
Answers
4.9
Rating
1
Course
KILL-9
시스템 종결자
kill -9 # "프로세스 처형"
rm -rf # "데이터 학살"
chmod -R 000 # "시스템 감금"(인프런 강의 소개 페이지 alert() 취약점은 내 처녀작이었지. 이제는 더 강력한 무기를 쓴다. - 진짜임)
콘센트 정리 # "코드는 뽑아야 제맛."
CPU 고문 # "팬 소리가 울려 퍼질 때, 나는 살아있음을 느낀다."
전리품 수집 # "코어 덤프""선은 뽑으라고 있는 것이다"
"버그는 죽여서 고치는 것이다"
"LGTM (Looks Gone To Me)""격식 따위 필요없다. 그냥 편하게 킬구형이라 불러라."
"존댓말로 질문하면 rm -rf 시전한다."
통신 접점 📡
kill9.no.mercy@gmail.com # "강의 외의 명령 전송용. ACK는 기대하지 마라."
⚠️ CONFIDENTIAL: DO NOT LOG ⚠️
# 사실... 카카오에서 조용히 일하는 평범한 개발자에요...All
67 lectures
All
79 reviews
4.9
79 reviews
Reviews 11
∙
Average Rating 4.6
5
Death's Spring Batch course, this is truly the path of a real system executioner...☠️ If you thought Spring Batch was just another ordinary batch framework, you're gravely mistaken. kill-9's course doesn't give you theory—it gives you real weapons to survive in the bloody battlefield of actual combat. Flat files? Fixed-length? Complex log files? Instead of just saying "figure it out yourself," he explains everything sharp as a blade so you can actually use it in real work situations. Even when choosing a single delimiter, you'll understand "why it has to be done this way." Code, explanations, practice, execution commands... the entire course is filled with the mindset of "this is real combat." You're not just learning—you feel like you're becoming a 'batch terminator.' And the more you listen, the more confidence builds that someday you too will be able to leave a mark on systems with a single line of open source code. Batch prepared for death—are you still hesitating? The moment you take this course, you too become a true member of the 'kill-9 squad.' ☠️🔥
💀 System Terminator KILL-9 Course Review Confirmation Complete 💀 Such a killer course review... My system almost froze for a moment. **"kill-9 squad"** This expression is too powerful. My kernel shook. So? I adopted it immediately. From now on, we are the "kill-9 squad." From now on, you're not just developers. We are the system terminator squad. rm -rf mediocrity kill -9 boredom Welcome to the kill-9 squad, member. Squad member certification takes place on the battlefield within the course. We're not just some developers, we're the system terminator squad. Welcome to the kill-9 squad, member. - KILL-9 (Welcoming new squad members)
Reviews 3
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Average Rating 5.0
5
Text-based lectures.. I love being able to dissect, savor, and enjoy them at my own pace. Just as intended by the lecture format, I love not having to pause unnecessarily or use the rewind button. I just hope you'll provide more lectures💀☠️
💀 Welcome, I've finally met a true hacker 💀 Yes, this is it. Text is the best interface. - Mouse clicking? Waste of time - Video buffering? CPU abuse True masters use Command + F as a weapon. Like grep, extract only the information you want immediately. Text scrolling speed = Your learning speed However, there's an important warning: Never skip chapters 4 and 5. Many students miss the core of 스프링 배치 by skipping this part. If you thoroughly digest these two chapters, you'll reach a distinctly different level. Are you ready to deep dive?
Reviews 76
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Average Rating 4.9
Reviews 24
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Average Rating 4.8
5
Bro, keep the updates coming when versions upgrade! I'm counting on you, okay?!
💀 [SYSTEM ACKNOWLEDGMENT] 💀 [INCOMING TRANSMISSION FROM BATTLEFIELD] =============================================== [KILL-9 RESPONSE PROTOCOL ACTIVATED] Yeah Jeonghun hyung 💀 [COMMITMENT PROTOCOL ENGAGED] The system continuously evolves. Every time there's a version update, the lectures will be upgraded together. 💀 [UPGRADE GUARANTEE]
Reviews 8
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Average Rating 4.8
5
Kilgu-hyung! I'd planned to leave a review after finishing the course, but I got so emotional watching the lectures that I'm writing it now. As Kilgu-hyung said early in the lecture, studying with text is truly difficult, but it definitely seems to stick in your mind more. Thanks to Kilgu-hyung's writing, it's great to learn so enjoyably and without difficulty. Thank you for such an incredibly cost-effective lecture, and I look forward to your future courses!
██████████████████████████████████ █ ╔═════════════════════════════╗ █ █ ║ 💀 KILL-9 TACTICAL RESPONSE TERMINAL 💀 ║ █ █ ║ [ STUDENT REVIEW RECEIVED ] ║ █ █╚═════════════════════════════╝ █ █████████████████████████████████ Crackle... Student review data received... Emotional circuit activated... ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ You were overwhelmed with emotion?.. I'm the one who's overwhelmed with emotion.. I can't help but shed tears after seeing this review. 💀 Yes, it will be etched into your brain as much as it was painful. But remember. Gi-hoon hyung.. You will soon forget it. That doesn't mean it's useless. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ [KILL-9 MEMORY STRATEGY] "Huh? Where did I learn this?" "Oh, I think I've seen this somewhere before?" "Oh, I knew this before?" Maximizing these **'Oh, where is this from?' moments** is my and our course's core strategy and goal. Even with just this illusion, the lecture is definitely valuable enough. Because this is also **a type of secondary index**. 💀 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Complete Recall < Partial Recall + Index >> Complete Oblivion Warrior, a KILL-9 index has been built in your brain. 💀 █████████████████████████████ [ WARRIOR ADVANCEMENT REPORT ] You've completed up to Chapter 4's final operation... Many soldiers actually give up at this point or don't even attempt to learn at all, but You've worked hard, warrior. If you've broken through Chapter 4's final operation, you'll be able to sufficiently follow Chapter 5. I assure you that after breaking through Chapter 5, you will **know Spring deployment better than anyone else**. And Chapter 6... I guarantee it. The difference in understanding between **those who have thoroughly learned Chapter 4's final operation and Chapter 5 and moved on to Chapter 6** and those who haven't is completely different. Beyond simply memorizing a list of knowledge, it will be a different level because **the operational principles will be understood as if piecing together a puzzle**. ━━━━━━━━━━━━━━━━━━━━━━━━━ **Hyung, you can do it. And (though it's too obvious to pursue) thank you for the valuable review.** 💀
$68.20
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