May 2021
Beginner to intermediate
380 pages
7h 48m
Korean
Content preview from 이벤트 기반 마이크로서비스 구축
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253
11
장
대용량 프레임워크 마이크로서비스
11.12
예제: 클릭 및 뷰의 세션 윈도잉
가상의 온라인 광고사를 예로 들어봅시다. 이 회사는 인터넷에 있는 광고 지면을
ad
space
구매해서
고객에게 재판매하는 일을 합니다. 본인의 투자수익률
return
on
investment
(
ROI
)이 궁금한 고객에게
는 광고에 노출된 사용자 클릭률
click
-
through
rate
을 계산한 수치를 제공합니다. 비용은 세션 단위로
과금되며 유휴 시간이
30
분을 넘지 않은 연속적인 사용자 활동을 한 세션으로 정의합니다.
이벤트 스트림은 사용자 광고 뷰
user
advertisement
view
와 사용자 광고 클릭
user
advertisement
click
, 두 가지
입니다. 두 스트림을 세션 윈도
session
window
로 집계하고 사용자가 새로운 액션을 취하지 않는 상
태로
30
분의 이벤트 시간
event
time
(월클럭 시간 아님 )이 지나면 이벤트를 방출합니다 (스트림 시
간과 워터마크는
6
장 참고 ).
이처럼 사용자 행위 기반의 이벤트를 수집할 때에는 광고가 게시된 위치, 사용자 웹 브라우저
또는 기기 정보를 비롯한 다양한 콘텍스트나 메타데이터 등의 추가 정보를 값 필드로 받아보게
될 것입니다. 이 예제는 편의상 뷰와 클릭 이벤트 스트림의 스키마 포맷을 다음과 같이
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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.