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HammerDB v6.0 Improves Response Time Measurement with Reservoir Sampling for Accurate Percentiles

One of the biggest mistakes in database benchmarking is oversizing the workload until response times are measured in hundreds of milliseconds, or even seconds.

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HammerDB13d ago2 min readen

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[ํด๋ฆญ e์ข…๋ชฉ]"ํ‚ค์›€์ฆ๊ถŒ, ์•„์‰ฌ์šด ์‹œ์žฅ์ ์œ ์œจ.๋ชฉํ‘œ์ฃผ๊ฐ€ ํ•˜ํ–ฅ"

DB์ฆ๊ถŒ์€ 14์ผ ํ‚ค์›€์ฆ๊ถŒ์ด ํ˜ธ์‹ค์ ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ  ์‹œ์žฅ์ ์œ ์œจ(M/S) ํ•˜๋ฝ์„ธ๋ฅผ ์ง€์†ํ•  ๊ฒƒ์ด๋ผ๋ฉฐ ๋ชฉํ‘œ์ฃผ๊ฐ€๋ฅผ ๊ธฐ์กด 56๋งŒ์›์—์„œ 50๋งŒ์›์œผ๋กœ ํ•˜ํ–ฅ์กฐ์ •ํ–ˆ๋‹ค. ๋‚˜๋ฏผ์šฑ DB์ฆ๊ถŒ ์—ฐ๊ตฌ์›์€ ์ด๋‚  ๋ฆฌํฌํŠธ์—์„œ "ํ‚ค์›€์ฆ๊ถŒ์˜ ๋ชฉํ‘œ์ฃผ๊ฐ€๋ฅผ ํ•˜ํ–ฅํ•œ ๊ทผ๊ฑฐ๋Š” ์ง€์†์ ์ธ ๋ฆฌํ…Œ์ผ M/S

์•„์‹œ์•„๊ฒฝ์ œยท2d ago

"ํ•œํ™”์‹œ์Šคํ…œ, ์ˆ˜์ถœ ๊ธฐ๋Œ€๊ฐ์— ํˆฌ์ž์˜๊ฒฌ ์ƒํ–ฅ"[ํด๋ฆญ e์ข…๋ชฉ]

DB์ฆ๊ถŒ์€ 14์ผ ํ•œํ™”์‹œ์Šคํ…œ์— ๋Œ€ํ•ด ํˆฌ์ž์˜๊ฒฌ์„ '๋งค์ˆ˜'๋กœ ์ƒํ–ฅํ•˜๊ณ  ๋ชฉํ‘œ์ฃผ๊ฐ€๋ฅผ 14๋งŒ5000์›์—์„œ 9๋งŒ์›์œผ๋กœ ํ•˜ํ–ฅํ–ˆ๋‹ค. ์„œ์žฌํ˜ธ DB์ฆ๊ถŒ ์—ฐ๊ตฌ์›์€ "์ „๋ฐ˜์ ์ธ ์„นํ„ฐ ๊ธฐ๋Œ€๊ฐ์ด ๋‚ฎ์•„์ง„ ์ ์„ ๊ณ ๋ คํ•ด ๋ชฉํ‘œ์ฃผ๊ฐ€๋ฅผ ํ•˜ํ–ฅํ–ˆ๋‹ค"๋ฉด์„œ๋„ "์šฐ์ฃผยท์กฐ์„ ยท๋ฐฉ์‚ฐ์˜ ๊ฒฌ๊ณ ํ•œ ์„ฑ์žฅ์„ฑ๊ณผ

์•„์‹œ์•„๊ฒฝ์ œยท2d ago

์‹ ํ˜• ์บ์Šคํผ ์ผ๋ ‰ํŠธ๋ฆญ, โ€˜ํ•˜์ดํŒจ์Šค ๊ธฐ๋ณธโ€™ ๋„ฃ๊ณ  ๊ฐ€๊ฒฉ์€ 60๋งŒ์› ์˜ฌ๋ ธ๋‹ค

chosun.comยท1d ago

์„œ์šธ๊ณผ๊ธฐ๋Œ€ โ€œKDB ์ฐฝ์—…๊ต์œก ํ”„๋กœ๊ทธ๋žจ ์šฐ์ˆ˜์ƒโ€ฆ๋ฏธ๋ž˜ ์ฐฝ์—… ์ธ์žฌ ์œก์„ฑ์— ๋ฐ•์ฐจโ€

์„œ์šธ๊ณผํ•™๊ธฐ์ˆ ๋Œ€ํ•™๊ต(์ด์žฅ ๊น€๋™ํ™˜)๋Š” 6์›” 26์ผ ์—ด๋ฆฐ โ€˜2026 KDB ์ฐฝ์—…๊ต์œก ํ”„๋กœ๊ทธ๋žจ ์„ฑ๊ณผ๊ณต์œ ํšŒโ€™์—์„œ ํ•™์ƒ ํŒ€ Globee(์ง€๋„๊ต์ˆ˜ ์ •๊ฒฝํฌ)๊ฐ€ ์šฐ์ˆ˜์ƒ์„ ๋ฐ›์•˜๋‹ค๊ณ  7์›” 15์ผ ๋ฐํ˜”๋‹ค.2026 KDB ์ฐฝ์—…๊ต์œก ํ”„๋กœ๊ทธ๋žจ์€ ํ•œ๊ตญ์‚ฐ์—…์€ํ–‰๊ณผ ์‚ฐ์€๋‚˜๋ˆ”์žฌ๋‹จ, ํ•œ๊ตญ

๋™์•„์ผ๋ณดยท19h ago

ํ•œํ™”์‹œ์Šคํ…œ, ์„œ์šธ๋Œ€ยท์„ฑ๊ท ๊ด€๋Œ€์™€ ๊ตญ๋ฐฉ ๋ฐ˜๋„์ฒด ๊ฐœ๋ฐœ ๋‚˜์„œ

ํ•œํ™”์‹œ์Šคํ…œ์€ ์„œ์šธ๋Œ€ยท์„ฑ๊ท ๊ด€๋Œ€์™€ '๊ตญ๋ฐฉ ๋ฐ˜๋„์ฒด ๊ธฐ์ˆ  ์›Œํฌ์ˆ'์„ ์—ด๊ณ  ๋ ˆ์ด๋‹ค, ํƒ์ƒ‰๊ธฐ, ํ•ฉ์„ฑ๊ฐœ๊ตฌ๋ ˆ์ด๋”(SAR) ์œ„์„ฑ ๋ฐ ์œ„์„ฑยท์ „์ˆ ํ†ต์‹ , ๊ณ ์ถœ๋ ฅ ๋งˆ์ดํฌ๋กœํŒŒ(HPM)์šฉ ๋ฐ˜๋„์ฒด ์นฉ ๊ฐœ๋ฐœ์„ ์œ„ํ•œ ์„ธ๋ถ€ ๊ณ„์•ฝ์„ ์ฒด๊ฒฐํ–ˆ๋‹ค๊ณ  15์ผ ๋ฐํ˜”๋‹ค. ์ง€๋‚œ 3์›” ์–‘ ๋Œ€ํ•™๊ณผ '๊ตญ๋ฐฉ

์•„์‹œ์•„๊ฒฝ์ œยท1d ago

HLB, ๋‹ค์šฐ์กด์Šค ๋ฒ ์ŠคํŠธ ์ธ ํด๋ž˜์Šค ์ฝ”๋ฆฌ์•„ ์ง€์ˆ˜ ํŽธ์ž…

HLB๊ฐ€ ๊ธ€๋กœ๋ฒŒ ์ง€์†๊ฐ€๋Šฅ๊ฒฝ์˜ ์ง€์ˆ˜์ธ ๋‹ค์šฐ์กด์Šค ๋ฒ ์ŠคํŠธ ์ธ ํด๋ž˜์Šค ์ฝ”๋ฆฌ์•„ ์ง€์ˆ˜(DJBIC Korea Index)์— ํŽธ์ž…๋๋‹ค. 16์ผ HLB์— ๋”ฐ๋ฅด๋ฉด DJBIC Korea Index๋Š” S&P ๋‹ค์šฐ์กด์Šค ์ธ๋ฑ์Šค๊ฐ€ ๊ธฐ์—…์ง€์†๊ฐ€๋Šฅ์„ฑํ‰๊ฐ€(CSA) ๊ฒฐ๊ณผ๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ์‚ฐ์ถœ

์•„์‹œ์•„๊ฒฝ์ œยท14h ago

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