[OpenSearch] watermark ์ˆ˜์ •
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๐Ÿง‘โ€๐Ÿ’ป Develop
OpenSearch ์›Œํ„ฐ๋งˆํฌ๋ž€? OpenSearch๋Š” ๋””์Šคํฌ ์‚ฌ์šฉ๋Ÿ‰์ด ํŠน์ • ์ž„๊ณ„์น˜๋ฅผ ์ดˆ๊ณผํ•  ๊ฒฝ์šฐ, ๋…ธ๋“œ์˜ ์•ˆ์ •์„ฑ์„ ์œ ์ง€ํ•˜๊ณ  ๋ฐ์ดํ„ฐ ์†์‹ค์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด ํŠน์ • ์›Œํ„ฐ๋งˆํฌ ์ž„๊ณ„์น˜๋ฅผ ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ ์„ธ ๊ฐ€์ง€ ์ฃผ์š” ์›Œํ„ฐ๋งˆํฌ ์ˆ˜์ค€์ด ์žˆ์Šต๋‹ˆ๋‹ค. low (low watermark, ๋‚ฎ์€ ์›Œํ„ฐ๋งˆํฌ)๊ธฐ๋ณธ๊ฐ’: deafault ๋””์Šคํฌ ์‚ฌ์šฉ๋Ÿ‰์ด 85%๋ฅผ ์ดˆ๊ณผํ•˜๋ฉด ๊ฒฝ๊ณ ํด๋Ÿฌ์Šคํ„ฐ๋Š” ์ด ์ƒํƒœ๊ฐ€ ๋˜๋ฉด ์ƒˆ๋กœ์šด ์ƒค๋“œ ํ• ๋‹น์„ ๋ฐฉ์ง€ํ•˜์ง€๋งŒ, ๊ธฐ์กด ๋ฐ์ดํ„ฐ๋Š” ๊ณ„์† ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Œ.high (high watermark, ๋†’์€ ์›Œํ„ฐ๋งˆํฌ)๊ธฐ๋ณธ๊ฐ’: deafault ๋””์Šคํฌ ์‚ฌ์šฉ๋Ÿ‰์ด 90%๋ฅผ ์ดˆ๊ณผํ•˜๋ฉด ๋” ๊ฐ•๋ ฅํ•œ ์กฐ์น˜์ƒˆ๋กœ์šด ์ƒค๋“œ ํ• ๋‹น์„ ์ค‘์ง€ํ•˜๊ณ , ๋ฐ์ดํ„ฐ๋ฅผ ์ด๋™์‹œ์ผœ ๊ณต๊ฐ„์„ ํ™•๋ณดํ•˜๋ ค๊ณ  ์‹œ๋„.flood_stage (flood stage watermark, ํ”Œ..
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