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db.printSecondaryReplicationInfo()

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db.printSecondaryReplicationInfo()

์„ธํŠธ์˜ ์„ธ์ปจ๋”๋ฆฌ ๋ฉค๋ฒ„์˜ ๊ด€์ ์—์„œ ๋ณต์ œ๋ณธ ์„ธํŠธ ์ƒํƒœ์— ๋Œ€ํ•œ ํ˜•์‹ํ™”๋œ ๋ณด๊ณ ์„œ๋ฅผ ์ธ์‡„ํ•ฉ๋‹ˆ๋‹ค. ์ถœ๋ ฅ์€ rs.printSecondaryReplicationInfo() ๋ฉ”์„œ๋“œ์™€ ๋™์ผํ•ฉ๋‹ˆ๋‹ค.

์ด ๋ฉ”์„œ๋“œ๋Š” ๋‹ค์Œ ํ™˜๊ฒฝ์—์„œ ํ˜ธ์ŠคํŒ…๋˜๋Š” ๋ฐฐํฌ์—์„œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

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์ค‘์š”

์ด ๋ช…๋ น์€ M0, M2, M5 ๋ฐ Flex ํด๋Ÿฌ์Šคํ„ฐ์—์„œ ์ง€์›๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์ž์„ธํ•œ ๋‚ด์šฉ์€ ์ง€์›๋˜์ง€ ์•Š๋Š” ๋ช…๋ น์„ ์ฐธ์กฐํ•˜์„ธ์š”.

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  • MongoDB Community: MongoDB์˜ ์†Œ์Šค ์‚ฌ์šฉ ๊ฐ€๋Šฅ ๋ฌด๋ฃŒ ์ž์ฒด ๊ด€๋ฆฌ ๋ฒ„์ „

์„ธ์ปจ๋”๋ฆฌ ๋…ธ๋“œ๊ฐ€ ๋‘ ๊ฐœ ์žˆ๋Š” ๋ณต์ œ๋ณธ ์„ธํŠธ์—์„œ ์‹คํ–‰ํ•  ๋•Œ์˜ ์˜ˆ์‹œ db.printSecondaryReplicationInfo() ์ถœ๋ ฅ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

source: m1.example.net:27002
syncedTo: Mon Mar 01 2021 16:30:50 GMT-0800 (PST)
0 secs (0 hrs) behind the primary
source: m2.example.net:27003
syncedTo: Mon Mar 01 2021 16:30:50 GMT-0800 (PST)
0 secs (0 hrs) behind the primary

์ฐธ๊ณ 

mongosh์—์„œ ์‹คํ–‰๋˜๋Š” db.printSecondaryReplicationInfo() ๋ฉ”์„œ๋“œ๋Š” JSON์„ ๋ฐ˜ํ™˜ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์ˆ˜๋™ ๊ฒ€์‚ฌ์—๋Š” db.printSecondaryReplicationInfo()๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์Šคํฌ๋ฆฝํŠธ์—๋Š” rs.status()๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

ํ”„๋ผ์ด๋จธ๋ฆฌ ๋ฉค๋ฒ„์˜ ๋น„ํ™œ์„ฑ ๊ธฐ๊ฐ„์ด members[n].secondaryDelaySecs ๊ฐ’๋ณด๋‹ค ํฐ ๊ฒฝ์šฐ ์ง€์—ฐ๋œ ๋ฉค๋ฒ„๋Š” ํ”„๋ผ์ด๋จธ๋ฆฌ ๋ฉค๋ฒ„๋ณด๋‹ค 0์ดˆ ๋’ค์ฒ˜์ง„ ๊ฒƒ์œผ๋กœ ํ‘œ์‹œ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

db.printSecondaryReplicationInfo()๊ฐ€ ์‹คํ–‰๋  ๋•Œ ๋ฉค๋ฒ„๋Š” ํ”„๋ผ์ด๋จธ๋ฆฌ ๋’ค์— ์Œ์ˆ˜์˜ ์‹œ๊ฐ„ ๊ฐ’์„ ํ‘œ์‹œํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋Š” db.printSecondaryReplicationInfo()๊ฐ€ ์„ธ์ปจ๋”๋ฆฌ ๋ณต์ œ๋ณธ์ด ๋น„ํ™œ์„ฑ ๊ธฐ๊ฐ„ ์ดํ›„์˜ ์“ฐ๊ธฐ๋ฅผ ๋ณต์ œํ•œ ํ›„ ์„ธ์ปจ๋”๋ฆฌ ๋ณต์ œ๋ณธ์ด ์ตœ์‹  optime์„ ์‚ฌ์šฉํ•˜์—ฌ ํ”„๋ผ์ด๋จธ๋ฆฌ ๋ณต์ œ๋ณธ์œผ๋กœ๋ถ€ํ„ฐ ํ•˜ํŠธ๋น„ํŠธ๋ฅผ ์ˆ˜์‹ ํ•˜๊ธฐ ์ „์— ์‹คํ–‰๋˜๋Š” ๊ฒฝ์šฐ์— ์˜ˆ์ƒ๋ฉ๋‹ˆ๋‹ค.

์ฐธ๊ณ 

๋ณด์กฐ ๋…ธ๋“œ์—์„œ ๋ณด๊ณ ํ•œ ์ง€์—ฐ์€ cluster ์ƒํƒœ๋ฅผ ๋Œ€ํ‘œํ•˜์ง€ ์•Š์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฐ’์ด ์Œ์ˆ˜๋ผ๊ณ  ํ•ด์„œ ์„ธ์ปจ๋”๋ฆฌ๊ฐ€ ํ”„๋ผ์ด๋จธ๋ฆฌ๋ณด๋‹ค ์•ž์„œ ์žˆ๋‹ค๋Š” ์˜๋ฏธ๋Š” ์•„๋‹™๋‹ˆ๋‹ค.

๋ณต์ œ๋ณธ ์„ธํŠธ์˜ ์ตœ์‹  ์ƒํƒœ๋ฅผ ๊ฐ€์ ธ์˜ค๋ ค๋ฉด ํ”„๋ผ์ด๋จธ๋ฆฌ์—์„œ db.printSecondaryReplicationInfo()๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

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