5. Monitoring#

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  • ์„œ๋น„์Šค ํ˜„ํ™ฉ ๋ฐ ์œ ์ €๋งŒ์กฑ๋„๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๊ธฐ์œ„ํ•œ ๋Œ€์‹œ๋ณด๋“œ ์ž…๋‹ˆ๋‹ค.

Grafana#

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  • ์‹œ์ž‘์—์„œ ๋ณธ๊ฒƒ์ฒ˜๋Ÿผ ์„œ๋น„์Šคํ˜„ํ™ฉ์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๊ธฐ์œ„ํ•œ ๋Œ€์‹œ๋ณด๋“œ๋ฅผ ๊ตฌ์„ฑํ•ด๋ณด์•˜์Šต๋‹ˆ๋‹ค.

  • ์œ„ ๋Œ€์‹œ๋ณด๋“œ์—์„œ Gauge chart๋ฅผ ํ•œ๋ฒˆ ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.

Why A/A Test Monitoring#

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  • A/A Test: A๊ทธ๋ฃน๊ณผ B๊ทธ๋ฃน ๋ชจ๋‘์— ์˜ํ™” Random Recommendation

    • ๋งŒ์กฑ๋„ ์ฐจ์ด ๋ฏธ๋ฏธ (0.06)

    • ๋งŒ์กฑ๋„์—์„œ A๊ทธ๋ฃน์ด ๋ฏธ์„ธํ•˜๊ฒŒ ์šฐ์„ธ

  • A/B Test: A๊ทธ๋ฃน์—๋Š” Random Recommendation, B๊ทธ๋ฃน์—๋Š” ์ถ”์ฒœ์‹œ์Šคํ…œ์„ ํ†ตํ•œ ์ถ”์ฒœ์„

    • ๋งŒ์กฑ๋„ ์ฐจ์ด ์ฆ๊ฐ€ (0.33)

    • ๋งŒ์กฑ๋„์—์„œ B๊ทธ๋ฃน์ด ์—ญ์ „

  • ํ•ด์„

    • A/A Test ๋‹น์‹œ์—๋Š” ํ‰๊ท  ๋งŒ์กฑ๋„๊ฐ€ ๋น„์Šทํ–ˆ๋˜ ๋‘ ๊ทธ๋ฃน -> ์ž˜ Randomize๋œ๊ฒƒ์œผ๋กœ ๋ณด์ž…๋‹ˆ๋‹ค.

    • A/B Test๋ฅผ ์‹œ์ž‘ํ•˜์ž B๊ทธ๋ฃน์˜ ํ‰๊ท  ๋งŒ์กฑ๋„๊ฐ€ A๊ทธ๋ฃน๋ณด๋‹ค ๊ฐœ์„ ๋œ ๊ฒƒ์„ ํ™•์ธ -> Treatment๊ฐ€ ์œ ์ € ๋งŒ์กฑ๋„ ๊ฐœ์„ ์— ํšจ๊ณผ์ ์ธ๊ฒƒ์œผ๋กœ ๋ณด์ž…๋‹ˆ๋‹ค.

์ƒ๊ฐํ•ด ๋ณผ ์ #

  • ์ด๊ฒƒ์ด ํ˜„์‹ค ์„œ๋น„์Šค ์˜€๋‹ค๋ฉด ์œ„ ๋Œ€์‹œ๋ณด๋“œ ๋งŒ์œผ๋กœ ์šฐ๋ฆฌ์˜ Treatment๊ฐ€ ํšจ๊ณผ์ ์ด์—ˆ๋‹ค๊ณ  ํ•  ์ˆ˜ ์žˆ์„์ง€ ์ƒ๊ฐํ•ด๋ณด๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.

    • ํ‰๊ท  ๋งŒ์กฑ๋„๋งŒ ์‚ดํŽด์„œ ๊ดœ์ฐฎ์€๊ฒƒ์ธ์ง€?, B๊ทธ๋ฃน๋‚ด ํŠน์ • ์œ ์ €๋“ค๋งŒ ๋งŒ์กฑ๋„๊ฐ€ ๋†’์•„์„œ ํ‰๊ท ์ด ์˜ฌ๋ผ๊ฐ„ ๊ฒƒ์€ ์•„๋‹Œ์ง€?

    • ๋งŒ์กฑ๋„์— ์˜ํ–ฅ์„ ์ฃผ๋Š” ๋‹ค๋ฅธ ๋ณ€์ˆ˜๋Š” ์—†๋Š”๊ฒƒ์ธ์ง€?, ๋‹ด๋‹น์ž ์‹ค์ˆ˜๋กœ B๊ทธ๋ฃน ์œ ์ €๋“ค์— ์ฟ ํฐ์ด ๋‚˜๊ฐ