June 2023
Beginner to intermediate
696 pages
14h 8m
Korean
Content preview from 마이크로서비스 아키텍처 구축(전면 개정판)
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241
6
장
워크플로
6.46.4
사가 패턴 사가 패턴
2
단계 커밋과 달리,
사가 사가
saga
는 여러 상태 변경을 조정할 수 있지만 자원을 잠글 필요가 없는 알
고리즘으로 설계됐다. 사가는 관련된 단계를 독립적으로 실행할 수 있는 개별 활동으로 모델링
해 이 작업을 수행한다. 사가를 사용하면 비즈니스 프로세스를 명시적으로 모델링할 수 있다는
추가적인 이점이 있으며, 이는 상당한 혜택을 가져온다.
헥터 가르시아몰리나
Hector
Garcia
-
Molina
와 케네스 세일럼
Kenneth
Salem
33
이 처음 제시한 핵심 개념은
L LT L LT
Long
Lived
Transaction
(장기 트랜잭션 )라고 알려진 작업을 가장 잘 처리하는 방법을 설명한다.
이러한 트랜잭션은 몇 분, 몇 시간 또는 며칠이 걸릴 수 있으며, 그 과정에서 데이터베이스를
변경해야 할 수도 있다.
LLT
를 일반 데이터베이스 트랜잭션에 직접 매핑하면, 단일 데이터베이스 트랜잭션이
LLT
의
전체 수명주기에 걸쳐 진행될 것이다. 이로 인해
LLT
가 진행되는 동안 여러 행 (또는 심지어 전
체 테이블 )이 오랫동안 잠길 수 있으며, 다른 프로세스가 이런 잠긴 자원을 읽거나 수정하려면
심각한 문제가 발생할 수도 있다.
대신, 이 논문을 작성한 저자들은 이런
LLT
를 일련의 트랜잭션으로 분해하면
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and much more.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.