Elasticsearch: ๋ฐฐ์—ด์˜ ๊ธฐ์กด ๋ฐ์ดํ„ฐ์— ๋ฐ์ดํ„ฐ๋ฅผ ์ถ”๊ฐ€ํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?

์— ๋งŒ๋“  2015๋…„ 02์›” 24์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: elastic/elasticsearch

์•ˆ๋…•ํ•˜์„ธ์š” ,

์•„๋ž˜ ํ˜•์‹์˜ Elastic search์— ๋Œ€ํ•œ ๋ฌธ์„œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

{
"์•„์ด๋””": 1,
"์ด๋ฆ„": "๋…น์ƒ‰ ๋ฌธ",
"๊ฐ€๊ฒฉ": 12.50,
"ํƒœ๊ทธ": ["์ง‘", "๋…น์ƒ‰"]
}

์ด์ œ "ํƒœ๊ทธ" ๋ฐฐ์—ด์˜ ์ƒˆ ๊ฐ’์œผ๋กœ ๋™์ผํ•œ ๋ฌธ์„œ๋ฅผ ์—…๋ฐ์ดํŠธํ•˜๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค.
์ƒˆ ๊ฐ’์€ "๋…ธ๋ž€์ƒ‰"์ž…๋‹ˆ๋‹ค.

"๋…ธ๋ž€์ƒ‰"์„ ๊ธฐ์กด ๋ฌธ์„œ๋กœ ์—…๋ฐ์ดํŠธํ•˜๋ฉด ๋‚ด ๋ฌธ์„œ๊ฐ€ ์•„๋ž˜์™€ ๊ฐ™์ด ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.

{
"์•„์ด๋””": 1,
"์ด๋ฆ„": "๋…น์ƒ‰ ๋ฌธ",
"๊ฐ€๊ฒฉ": 12.50,
"ํƒœ๊ทธ": ["์ง‘", "๋…น์ƒ‰","๋…ธ๋ž€์ƒ‰"]
}

์งˆ๋ฌธ: ์ƒˆ ๊ฐ’์„ ๊ธฐ์กด ๊ฐ’๊ณผ ๋ณ‘ํ•ฉํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
์–ด๋–ค ์‚ฌ๋žŒ์ด ์ด๊ฒƒ์— ๋Œ€ํ•ด ์ €๋ฅผ ์•ˆ๋‚ดํ•ด ์ฃผ์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ?

๋ชจ๋“  3 ๋Œ“๊ธ€

๋ฌธ์„œ์˜ ์ƒ‰์ธ์„ ๋‹ค์‹œ ์ƒ์„ฑํ•˜๊ธฐ๋งŒ ํ•˜๋ฉด ๋ฌธ์„œ๊ฐ€ ์—…๋ฐ์ดํŠธ๋ฉ๋‹ˆ๋‹ค. http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/docs-index_.html ์ฐธ์กฐ

์•ˆ๋…•ํ•˜์„ธ์š” ๋งˆํฌ์›Œ์ปด์ž…๋‹ˆ๋‹ค.

ReIndex ๋ฌธ์„œ๊ฐ€ ์ด์ „ ๊ฐ’์„ ์ƒˆ ๊ฐ’์œผ๋กœ ๋ฎ์–ด์“ฐ๊ฑฐ๋‚˜ ์—…๋ฐ์ดํŠธํ•ฉ๋‹ˆ๋‹ค.
๋‹ค์‹œ ์ธ๋ฑ์‹ฑํ•˜๊ฑฐ๋‚˜ ์—…๋ฐ์ดํŠธ ๋ฐ upsert API๋ฅผ ํ˜ธ์ถœํ•œ ํ›„ ๋‹ค์Œ json์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

{
"์•„์ด๋””": 1,
"์ด๋ฆ„": "๋…น์ƒ‰ ๋ฌธ",
"๊ฐ€๊ฒฉ": 12.50,
"ํƒœ๊ทธ": ["๋…ธ๋ž€์ƒ‰"]
}

์ถœ๋ ฅ json์—์„œ ๋ฐฐ์—ด ํƒœ๊ทธ์—์„œ ์ด์ „ ๊ฐ’์„ ์žƒ์–ด ๋ฒ„๋ ธ์Šต๋‹ˆ๋‹ค.
"ํƒœ๊ทธ": ["์ง‘", "๋…น์ƒ‰"]

Java API๋Š” ๊ธฐ์กด ๋ฌธ์„œ๋ฅผ ์—…๋ฐ์ดํŠธํ•˜๊ฑฐ๋‚˜ ์ข…๋ฃŒ๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ ์ƒˆ ๋ฌธ์„œ๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.

IndexRequest indexRequest = ์ƒˆ๋กœ์šด IndexRequest("์‚ฌ์šฉ์ž", "ํ…Œ์ŠคํŠธ","1")
.source(๋นŒ๋”);
UpdateRequest updateRequest = ์ƒˆ๋กœ์šด UpdateRequest("์‚ฌ์šฉ์ž", "ํ…Œ์ŠคํŠธ","1")
.doc(๋นŒ๋”)
.upsert(์ธ๋ฑ์Šค ์š”์ฒญ);
ํด๋ผ์ด์–ธํŠธ.์—…๋ฐ์ดํŠธ(์—…๋ฐ์ดํŠธ์š”์ฒญ).get();

์ด๊ฒƒ์ด ๋ฐ”๋กœ ๋ฌด๋Œ€ ๋’ค์—์„œ ์ผ์–ด๋‚˜๊ณ  ์žˆ๋Š” ์ผ์ž…๋‹ˆ๋‹ค. API ์—…๋ฐ์ดํŠธ๋Š” ์ด์ „ ๋ฌธ์„œ๋ฅผ ๊ฐ€์ ธ์˜ค๊ณ , ๊ฐ’์„ ๋ณ‘ํ•ฉํ•˜๊ณ , ์ „์ฒด ์ƒˆ ๋ฌธ์„œ๋ฅผ ์ธ๋ฑ์‹ฑํ•ฉ๋‹ˆ๋‹ค.

BTW ๋ฉ”์ผ๋ง ๋ฆฌ์ŠคํŠธ์— ์งˆ๋ฌธํ•˜์‹ญ์‹œ์˜ค. ์ด ๊ณต๊ฐ„์€ ๋ฌธ์ œ ๋˜๋Š” ๊ธฐ๋Šฅ ์š”์ฒญ์„ ์œ„ํ•œ ๊ฒƒ์ž…๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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