์›นํŽ˜์ด์ง€ ์ƒˆ๋กœ ๊ณ ์นจ ์งˆ๋ฌธ ์‚ฌํ•ญ์ž…๋‹ˆ๋‹ค.

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๋ฐ•๋Œ€๊ถŒ

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Apr 21, 2012, 2:53:24โ€ฏPM4/21/12
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์•ˆ๋…•ํ•˜์„ธ์š” -

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๊ฐœ๋ฐœ์˜ 90% ๊ฐ€๋Ÿ‰ ์™„๋ฃŒ๋˜์–ด ์Šฌ์Šฌ ์šด์˜์œผ๋กœ ๋ฐ˜์˜์„ ์ค€๋น„์ค‘์ž…๋‹ˆ๋‹ค.
์ด๋Ÿฐ ์ฐจ์— ๊ณ ๊ฐ์ธก์—์„œ ์„ฑ๋Šฅ ํ…Œ์ŠคํŠธ๋ฅผ ํ•œ๋‹ค๊ณ  ํ•˜๋ฉด์„œ 2~3๋ถ„์ด ๋ฐ๋ชจ ์‚ฌ์ดํŠธ์— ์ ‘์†ํ•˜์—ฌ
f5 (์ƒˆ๋กœ๊ณ ์นจ)์„ ๋ฌดํ•œ์ • ๋ฐ˜๋ณต์„ ํ•˜์˜€์Šต๋‹ˆ๋‹ค.
๊ทธ๋ฆฌ๊ณ , db์ชฝ๋Š” tns ์˜ค๋ฅ˜ ๋ฐœ์ƒํ•˜๋ฉด์„œ ํ™”๋ฉด์— db ์—ฐ๊ฒฐ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•˜์ž ์„ฑ๋Šฅ ๋ถ€๋ถ„์— ๋Œ€ํ•ด์„œ
์ƒ๋‹นํžˆ ๊ฐ•ํ•˜๊ฒŒ ์••๋ ฅ์„ ๊ฐ€ํ•˜๋„ค์š” ...
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์šด์˜ ํ™˜๊ฒฝ์€ tomcat 6 + oracle 11g ์ž…๋‹ˆ๋‹ค.
spring 3.0.2 ๊ธฐ๋ฐ˜์œผ๋กœ ๊ฐœ๋ฐœ์„ ํ•˜์˜€๋Š”๋ฐ ์†”์งํžˆ ์ €๋ ‡๊ฒŒ ํ•˜๋‹ˆ ... ๋‹ต์ด ์—†๋”๊ตฐ์š”.
db ์ชฝ ๋‹ด๋‹น์ž์—๊ฒŒ ์ด์•ผ๊ธฐํ•˜์—ฌ process ๊ฐฏ์ˆ˜๋ž‘ open_cursor ๊ฐฏ์ˆ˜๋ฅผ ์ฆ๊ฐ€ ์‹œํ‚ค๊ณ 
ํ†ฐ๊ฐฏ์ชฝ ์„ค์ •์—์„œ maxthread, minsparethread ๋“ฑ์˜ ๊ฐ’์„ ๋ณ€๊ฒฝํ•ด๋ณด์•˜์ง€๋งŒ ํ•ด๊ฒฐ์ฑ…์€ ๋ ๊ฒƒ ๊ฐ™์ง€ ์•Š๋„ค์š” -

spring ์ชฝ ํ˜น์€ db ์บ์‹œ ๋“ฑ๊ณผ ๊ฐ™์€๊ฑธ๋กœ ์–ด๋А์ •๋„ ์ƒํ˜ธ ๋ณด์™„์„ ๊ณ ๋ ค์ค‘์ž…๋‹ˆ๋‹ค๋งŒ
์–ด๋–ป๊ฒŒ ๋ณด์•ˆ์„ ํ•ด๊ฐ€๋Š”๊ฒŒ ์ข‹์„๊นŒ์š”?

๊น€์„ฑ๊ตญ

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Apr 21, 2012, 7:33:16โ€ฏPM4/21/12
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์ข€๋” ์ž์„ธํ•œ ์„ค๋ช…์ด ํ•„์š”ํ•ด ๋ณด์ž…๋‹ˆ๋‹ค.

ํ˜„์žฌ DB์ปค๋„ฅ์…˜ ํ’€ ๊ฐฏ์ˆ˜ ๋ฐ ๋Œ€๋žต์ ์ธ ํ™˜๊ฒฝ์ด ์–ด๋–ป๊ฒŒ ๋˜๋Š”์ง€..
2~3๋ช…์ด F5๋ฌดํ•œ๋ฐ˜๋ณต ์ŠคํŠธ๋ ˆ์Šค ํ…Œ์ŠคํŠธ๋ฅผ ํ•ด์„œ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์„ ๋•Œ ๋‚˜ํƒ€๋‚œ ์˜ค๋ฅ˜๋ฉ”์‹œ์ง€๋Š” ๋ฌด์—‡์ธ์ง€..
ํผ์‹œ์Šคํ„ดํŠธ ๊ณ„์ธต์— ํ”„๋ ˆ์ž„์€ ์–ด๋–ค๊ฑธ ์‚ฌ์šฉํ–ˆ๋Š”์ง€...

๊ฒจ์šฐ 2~3๋ถ„๊นจ์„œ F5๋ฅผ ๋ฌดํ•œ๋ฐ˜๋ณตํ•œ๋‹ค๊ณ  ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•œ๋‹ค๋ฉดย ๊ตฌํ˜„ ๋ฐฉ๋ฒ• ์ž์ฒด์— ๋ฌธ์ œ๊ฐ€ ์—†๋Š”์ง€ ๊ฒ€ํ† ํ•ด๋ด์•ผ ํ•  ๋“ฏ ํ•ฉ๋‹ˆ๋‹ค.

tns์˜ค๋ฅ˜์ด๋ฉด.... ์ปค๋„ฅ์…˜์„ ๋”์ด์ƒ ๊ฐ€์ ธ์˜ฌ ์ˆ˜ ์—†์–ด์„œ ์ƒ๊ธฐ๋Š” ๋ฌธ์ œ์ธ๊ฐ€์š”????
๋ณดํ†ต ์›น์—์„œ๋Š” DB์— ๋Œ€ํ•œ ์ปค๋„ฅ์…˜์„ ์˜ค๋ž˜๊ฐ€์ ธ๊ฐ€๋Š” ๊ฒฝ์šฐ๊ฐ€ ๊ฑฐ์˜ ์—†์„๊ป€๋ฐ์š”.. (๋ช‡๋ช‡ ํŠน์ดํ•œย ๊ฒฝ์šฐ๋Š” ์ œ์™ธํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค..)

์‹ค์ œ๋กœ 800~1000๋ช…์ •๋„์˜ ์‚ฌ์šฉ์ž๊ฐ€ ์ˆ˜์‹œ๋กœ ์‚ฌ์šฉํ•˜๋Š”(๋™์‹œ์ ‘์†์€ ์•„๋‹ˆ๊ตฌ์š”...) ์—…๋ฌดํŽ˜์ด์ง€๋„ ์ปค๋„ฅ์…˜ํ’€์€ 30๊ฐœ๋กœ ์ถฉ๋ถ„ํžˆ ๋Œ์•„๊ฐ‘๋‹ˆ๋‹ค.

์‹คํ–‰๋˜๋Š” ์ฟผ๋ฆฌ์ค‘์— ์‹คํ–‰์‹œ๊ฐ„์ด ์˜ค๋ž˜๊ฑธ๋ฆฌ๋Š” ์ฟผ๋ฆฌ๋“ค์„ ์ฐพ์•„์„œ ์ฟผ๋ฆฌ๋‚˜ ์ธ๋ฑ์Šค๋“ฑ์„ ์ง€์ •ํ•˜๋Š”๊ฑด ๋‹น์—ฐํ•œ๊ฑฐ๋ผ์„œ ์˜ˆ๊ธฐํ•˜๊ธฐ๋„ ๊ทธ๋ ‡๋„ค์š”..

2์ฐจ ์บ์‹œ๋กœ EHCache์™€ ๊ฐ™์€๊ฑธ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ๋„ ์†์‰ฝ๊ฒŒ ์„ฑ๋Šฅ์„ ์˜ฌ๋ฆด ์ˆ˜๋Š” ์žˆ์ง€๋งŒ,
๊ทธ๋ ‡๋‹ค๊ณ  ๊ถ๊ทน์ ์ธ ํ•ด๊ฒฐ์ฑ…์ด ๋˜์ง„ ๋ชปํ•  ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.ย 

๋ฉ”์ธํŽ˜์ด์ง€๋Š” ์—ฌ๋Ÿฌ ํ•ญ๋ชฉ์„ ํ•œ๊บผ๋ฒˆ์— ๋ณด์—ฌ์ฃผ๋Š” ๊ฒฝ์šฐ๊ฐ€ ๋งŽ๊ธฐ ๋•Œ๋ฌธ์—..ย 
๋‹จ์‹œ๊ฐ„ ๋‚ด์— ๋™์ผํ•œ ๋‚ด์šฉ์ด ์กฐํšŒ๋˜์ง€ ์•Š๋„๋ก ์‹ ๊ฒฝ์“ธ ํ•„์š”๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด์ค‘์— ๋ณ€๊ฒฝ์ด ๊ฑฐ์˜ ์—†๋Š” ์งˆ์˜๋‚ด์šฉ์ด ์žˆ๋‹ค๋ฉด ์ด์ชฝ์„ DB์— ์งˆ์˜ ์กฐ์ฐจ ํ•˜์ง€ ์•Š๋„๋ก ํ•˜๋Š” ๊ฒƒ๋„ ์„ฑ๋Šฅ์— ๋งŽ์€ ๋„์›€์ด ๋ฉ๋‹ˆ๋‹ค.

๋Œ€ํ‘œ์ ์ธ ์˜ˆ๋กœ ์ฝ”๋“œ์„ฑ ๋ฐ์ดํ„ฐ๋“ค์ด ์žˆ๊ฒ ๋„ค์š”... ์…€๋ ‰ํŠธ ๋ฐ•์Šค ๋‹ฌ๋ž‘ ํ•˜๋‚˜ ๊ทธ๋ฆฌ์ž๊ณ  ๋งค ์š”์ฒญ๋งˆ๋‹ค DB์— ์ฟผ๋ฆฌ๋ฅผ ๋˜์ง€๊ธฐ ๋ณด๋‹จ...
Map๊ณผ ๊ฐ™์€ ํ˜•ํƒœ๋กœ ์Šคํ”„๋ง ๋นˆ์„ ๋“ฑ๋กํ•œ ๋’ค์— ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์‚ฌ์šฉํ•˜๊ธธ ๊ถŒํ•ฉ๋‹ˆ๋‹ค.

์‹ค์ œ๋กœ ์˜ˆ์ „์— ๋‹ค๋ฅธ๋ถ„์ด ๋ฉ”๋‰ด ํ•ญ๋ชฉ ํ•˜๋‚˜ ์กฐํšŒํ• ๋•Œ๋งˆ๋‹ค ๋ฉ”๋‰ดํŠธ๋ฆฌ ์ฟผ๋ฆฌ๋ฅผ ์งˆ์˜ํ•˜๋„๋ก ๊ตฌํ˜„ํ•œ๊ฑธ,
๊ฐœ๋ฐœ์ค‘์—๋„ ์‚ฌ์ดํŠธ๊ฐ€ ๋„ˆ๋ฌด ๋А๋ฆฐ ๋А๋‚Œ์ด ๋“ค์–ด์„œ ๋ฉ”๋‰ด ์ „์ฒด๋ฅผ ๋ฉ”๋ชจ๋ฆฌ์— ์˜ฌ๋ฆฌ๋„๋ก ์ƒˆ๋กœ ์งœ๋ฒ„๋ฆฐ ๋’ค์— ์ฒด๊ฐ์†๋„๊ฐ€ ๋ชฐ๋ผ๋ณด๊ฒŒ ๋นจ๋ผ์ง„ ๊ฒฝํ—˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
๋ฉ”๋‰ด๋Š”... DB์—์„œ ๊ด€๋ฆฌํ•˜๊ณ ์ž ํ•  ๊ฒฝ์šฐ ๋ชจ๋“  ํŽ˜์ด์ง€์— ๋“ค์–ด๊ฐ€๊ณ .. ๊ฑฐ์˜ ๋ณ€๊ฒฝ์ด ์—†๋Š” ๋ฐ์ดํ„ฐ์ด๋ฉด์„œ ์ฟผ๋ฆฌ๋น„์šฉ์ด ๋น„์‹ผ ๋Œ€ํ‘œ์ ์ธ ์—”ํ‹ฐํ‹ฐ๋ผ๊ณ  ํ•  ์ˆ˜ ์žˆ์ฃ ...

๋‚  Java์ฝ”๋”ฉ์œผ๋กœ ์ž‘์—…ํ•  ๋•Œ๋Š” DB๋ฆฌ์†Œ์Šค ๋ฐ˜ํ™˜์„ ์ œ๋Œ€๋กœ ์ฒ˜๋ฆฌ์•ˆํ•˜๋Š” ๋ช‡๋ช‡ ๊ฐœ๋ฐœ์ž ๋•Œ๋ฌธ์— DB์ชฝ๋ฌธ์ œ๋ฅผ ๊ฒช์–ด๋ณธ์  ์žˆ์ง€๋งŒ..
์Šคํ”„๋ง์„ ์‚ฌ์šฉํ•˜๋ฉด ์ƒ๋Œ€์ ์œผ๋กœ ๋ฆฌ์†Œ์Šค ๋ฐ˜ํ™˜๊ณผ ๊ฐ™์€ ๋ถ€๋ถ„์— ์‹ ๊ฒฝ์“ฐ๋Š” ์ผ์ด ์—†์–ด์„œ ์˜คํžˆ๋ ค DB์ชฝ์€ ์‹ ๊ฒฝ์„ ์•ˆ์“ฐ๊ฒŒ ๋˜๋˜๋ฐ์š”..
์˜คํžˆ๋ ค JVM์˜ Heap๋ฉ”๋ชจ๋ฆฌ์ชฝ์œผ๋กœ ๋” ์ŠคํŠธ๋ ˆ์Šค๋ฅผ ๋ฐ›์•˜์—ˆ๋Š”๋ฐ ํŠน์ดํ•œ ๊ฒฝ์šฐ ๊ฐ™์Šต๋‹ˆ๋‹ค.

์•„๋Š”๋ฐ๋กœ ๋„์ ์˜€์Šต๋‹ˆ๋‹ค๋งŒย ์ €๋„ ํ•˜์ˆ˜์ธ์ง€๋ผ.....ย ^^



2012๋…„ 4์›” 22์ผ ์˜ค์ „ 3:53, ๋ฐ•๋Œ€๊ถŒ <pran...@gmail.com>๋‹˜์˜ ๋ง:

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Google ๊ทธ๋ฃน์Šค 'Korea Spring User Group' ๊ทธ๋ฃน์— ๊ฐ€์ž…ํ–ˆ์œผ๋ฏ€๋กœ ๋ณธ ๋ฉ”์ผ์ด ์ „์†ก๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
์ด ๊ทธ๋ฃน์— ๊ฒŒ์‹œํ•˜๋ ค๋ฉด ks...@googlegroups.com(์œผ)๋กœ ์ด๋ฉ”์ผ์„ ๋ณด๋‚ด์„ธ์š”.
๊ทธ๋ฃน์—์„œ ํƒˆํ‡ดํ•˜๋ ค๋ฉด ksug+uns...@googlegroups.com๋กœ ์ด๋ฉ”์ผ์„ ๋ณด๋‚ด์ฃผ์„ธ์š”.
๋” ๋งŽ์€ ์˜ต์…˜์„ ๋ณด๋ ค๋ฉด http://groups.google.com/group/ksug?hl=ko์—์„œ ๊ทธ๋ฃน์„ ๋ฐฉ๋ฌธํ•˜์„ธ์š”.




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sungko...@gmail.com
010-3339-1286
๊น€ ์„ฑ๊ตญ
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์ฝ”๋ฐ”(์ด์ˆ˜ํ™)

unread,
Apr 21, 2012, 11:07:45โ€ฏPM4/21/12
to Korea Spring User Group
์ •๋ณด๊ฐ€ ์ข€ ๋ถ€์กฑํ•˜๋„ค์š”

์ƒˆ๋กœ๊ณ ์นจ ์•„๋ฌด๋ฆฌํ•ด๋„ DB์— ์—ฐ๊ฒฐ ์˜ค๋ฅ˜๊ฐ€ ์ƒ๊ธด๋‹ค๋Š”๊ฒŒ ์ข€ ์ด์ƒํ•˜๋„ค์š”

ํ”„๋กœ๊ทธ๋žจ์ชฝ ๋ฌธ์ œ๊ฐ€ ์žˆ๋Š”๊ฒŒ ์•„๋‹์ง€ ์กฐ์‹ฌ์Šค๋Ÿฝ๊ฒŒ ์˜์‹ฌ๋˜๊ตฌ์š”

๋А๋ฆฌ๋‹ค๋Š”๊ฑด ์ดํ•ด๊ฐ€์ง€๋งŒ ์ €๋ ‡๊ฒŒ ์—๋Ÿฌ๋‚˜๋Š”๊ฑด ๋ญ”๊ฐ€ ๋ฌธ์ œ ์žˆ์–ด ๋ณด์ž…๋‹ˆ๋‹ค.

๋ฌผ๋ก  ์ปค๋„ฅ์…˜ํ’€ ์˜ต์…˜์„ ํƒ€์ดํŠธํ•˜๊ฒŒ ์กฐ์ ˆ ํ–ˆ๊ฑฐ๋‚˜ ํ•˜๋ฉด ๋ฌธ์ œ๊ฐ€ ์ƒ๊ธธ ์ˆ˜๋„ ์žˆ์ง€๋งŒ

๊ทธ๋Ÿฐ๊ฑด ์•„๋‹Œ๊ฒƒ ๊ฐ™์€๋А๋‚Œ์ธ๋ฐ

์บ์‹œ๋‚˜ ๋‹ค๋ฅธ ๋ฌธ์ œ๋ฅผ ๋ณด์ง€ ๋งˆ์‹œ๊ณ  ์ „์ฒด์ ์ธ ํ”„๋กœ๊ทธ๋žจ ๋ถ€๋ถ„์„ ํ•œ๋ฒˆ ๋ณด๊ณ  ๊ณ ์น ๊ฒŒ ์žˆ๋Š”์ง€ ํ™•์ธํ•ด๋ณด๋Š”๊ฒŒ ์–ด๋–  ์‹ ์ง€์š”

๋ฌผ๋ก  ์›น์ชฝ ์ตœ์ ํ™”๋Š” ์บ์‹œ๋‚˜ gzip์‚ฌ์šฉ์ด๋‚˜ ์Šคํฌ๋ฆฝํŠธ ์ตœ์ ํ™” ๋“ฑ์„ ํ•˜๋ฉด๋ฉ๋‹ˆ๋‹ค๋งŒ

๋ง์”€ํ•˜์‹ ๋ถ€๋ถ„์€ ์กฐ๊ธˆ ์˜์‹ฌ์Šค๋Ÿฝ๋„ค์š”

๊ณ ์ข…๋ด‰

unread,
Apr 22, 2012, 7:48:43โ€ฏAM4/22/12
to ks...@googlegroups.com
๊ณ ์ƒ์ด ๋งŽ์œผ์‹ญ๋‹ˆ๋‹ค. ^^;

์ œ๊ฐ€ ๊ฒฝํ—˜ํ•˜๊ณ , ์•Œ๊ณ  ์žˆ๋Š” ์ง€์‹์œผ๋กœ๋Š”,,ย 

์Šคํ”„๋ง์„ ์‚ฌ์šฉํ–ˆ๋‹ค๊ณ  db ์ปค๋„ฅ์…˜์— ๋ฌธ์ œ๊ฐ€ ์ƒ๊ธฐ์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค.. ์™œ๋ƒํ•˜๋ฉด ์‹ค์ œ๋กœ db ์ปค๋„ฅ์…˜์„ ๋‹ด๋‹นํ•˜๋Š” ๋ถ€๋ถ„์€

dbcp ์„ค์ •์œผ๋กœ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š” dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ๋ ํ…Œ๋‹ˆ๊นŒ์š”.

์•ž์„œ ๋ง์”€ํ•˜์‹  ๊ฒƒ์ฒ˜๋Ÿผ,, ์ƒˆ๋กœ ๊ณ ์นจ์„ ๋ฐ˜๋ณตํ–ˆ์„ ๋•Œ ์˜ค๋ผํด TNS ์—๋Ÿฌ๊ฐ€ ๋‚ฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์€ (์›์ธ์ด ์ƒˆ๋กœ๊ณ ์นจ ๋•Œ๋ฌธ์ด๋ผ๊ณ  ํ•œ๋‹ค๋ฉด..)

๋ถ„๋ช…ํžˆ ์ปค๋„ฅ์…˜์ด ์ œ๋Œ€๋กœ ๋ฐ˜ํ™˜์ด ๋˜์ง€ ์•Š๋Š” ๋“ฑ์˜ ๊ตฌํ˜„์— ๋ฌธ์ œ๊ฐ€ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ๋ณด์ž…๋‹ˆ๋‹ค.

๋‹ค๋งŒ,, ์ฝ”๋“œ ์ƒ์—์„œ ์ปค๋„ฅ์…˜ ๋ฐ˜ํ™˜์ด ์ œ๋Œ€๋กœ ์•ˆ๋˜์—ˆ๋Š”์ง€ (์˜ˆ์ „ ๊ฐœ๋ฐœ ๋ฐฉ์‹์ฒ˜๋Ÿผ.. ์ฝ”๋“œ ์ƒ์—์„œ ์ง์ ‘ ์ปค๋„ฅ์…˜ ๋ฐ˜ํ™˜์„ ํ–ˆ๋‹ค๋ฉด..)

๋˜๋Š”,, dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๋ฒ„์ „์„ ํ™•์ธํ•ด๋ณด๋Š” ๊ฒƒ์ด ์ข‹์„ ๋“ฏ ํ•ฉ๋‹ˆ๋‹ค.

apache-commons-dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ์ž์ฒด๋„ ์™„๋ฒฝํ•˜๋‹ค๊ณ  ์‹ ๋ขฐํ•  ์ˆ˜๋Š” ์—†์œผ๋ฉฐ,, ํŠน์ • ๋ฒ„์ „์—์„œ ์ปค๋„ฅ์…˜ ๋ฐ˜ํ™˜์— ๋ฌธ์ œ๊ฐ€ ์žˆ๋Š”๊ฒƒ์ด ๋ฐœ๊ฒฌ๋˜์–ด ํŒจ์น˜๋œ ๊ฒฝ์šฐ๊ฐ€ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

์ €ํฌ ์ชฝ์—์„œ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š” ์†Œ์Šค๋ฅผ ์ง€๊ธˆ ํ™•์ธํ•˜๊ธฐ ์–ด๋ ค์›Œ ๊ตฌ์ฒด์ ์œผ๋กœ ๋‹ต๋ณ€๋“œ๋ฆฌ์ง€๋Š” ๋ชปํ•˜์ง€๋งŒ,

์ถฉ๋ถ„ํžˆ ์‚ฌ์šฉ์ž๊ฐ€ ๋งŽ์€ ์„œ๋น„์Šค์ธ๋ฐ๋„ ์ปค๋„ฅ์…˜์€ (ํ†ฐ์บฃ)์„œ๋ฒ„๋‹น 10๊ฐœ๋ฅผ ๋„˜๊ธฐ์ง€ ์•Š๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.ย 

dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ์ชฝ์„ ํ™•์ธํ•ด๋ณด์‹œ๊ณ ,, ๋ฒ„์ „ ๋ณ€๊ฒฝ์ด๋‚˜ ํŒจ์น˜๋ฒ„์ „ ์ ์šฉ ๋“ฑ์˜ ์‹œ๋„๋ฅผ ํ•ด๋ณด์‹œ๋Š” ๊ฒƒ์„ ๊ถŒ์žฅ๋“œ๋ฆฝ๋‹ˆ๋‹ค.!! ^^;

์ˆ˜๊ณ ํ•˜์„ธ์š”.

2012๋…„ 4์›” 22์ผ ์˜ค์ „ 3:53, ๋ฐ•๋Œ€๊ถŒ <pran...@gmail.com>๋‹˜์˜ ๋ง:
์•ˆ๋…•ํ•˜์„ธ์š” -

๋ฐ•๋Œ€๊ถŒ

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Apr 22, 2012, 12:22:12โ€ฏPM4/22/12
to ks...@googlegroups.com
๋‹ต๋ณ€ ๊ณ ๋ง™์Šต๋‹ˆ๋‹ค.

์ฒ˜์Œ ์„ค์ •ํ• ๋•Œ ๊ธฐ๋ณธ spring connection pool์„ ์„ค์ •ํ•ด์„œ ๊ณ„์† ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.
(org.springframework.jdbc.datasource.DriverManagerDataSource)
์ด ๋ถ€๋ถ„์„ dbcp ์œผ๋กœ ๋ณ€๊ฒฝํ•ด์„œ ํ•˜๋‹ˆ ์–ด๋А์ •๋„ ํ•ด๊ฒฐ์€ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
(org.apache.commons.dbcp.BasicDataSource 1.4 )

ibatis, dbcp ์„ค์ •์€ ๊ธฐ๋ณธ ์„ค์ •์œผ๋กœ ์œ ์ง€ํ•˜์—ฌ ํ…Œ์ŠคํŠธ๋ฅผ ์ง„ํ–‰ํ•˜๋‹ˆ java heap size ์ชฝ์— ์—๋Ÿฌ๋ฅผ ์ถœ๋ ฅํ•˜๋”๊ตฐ์š”.
๋ฐ๋ชจ ํ™˜๊ฒฝ์€ windows 7
tomcat 6.0.23 - spring mvc - spring - ibatis - oracle 11g

์‹ค์ œ ์šด์˜ํ•  ํ™˜๊ฒฝ์€ amazon cloud ec2 ์„œ๋ฒ„( ์ผ๋ณธ ์œ„์น˜ )
cpu 4 / ram 7.5gb ์ž…๋‹ˆ๋‹ค. ํด๋ผ์šฐ๋“œ ์„œ๋น„์Šค๋ฅผ ํ•˜๋‹ˆ ์‹ค์ œ ์„œ๋น„์Šค ๋ณด๋‹จ ์กฐ๊ธˆ ๋ฐ˜์‘(?)์ด ๋А๋ฆฌ๋”๊ตฐ์š” ^^;

ibatis์˜ ์„ค์ •
useStatementNamespaces="true"
lazyLoadingEnabled="true"
cacheModelsEnabled="true"
enhancementEnabled="true"

tomcat server.conf
maxThreads="1024" minSpareThreads="126" maxSpareThreads="512" acceptCoubt="100"

์œผ๋กœ ์„ค์ •ํ•ด์„œ ์‚ฌ์šฉํ•˜์˜€์Šต๋‹ˆ๋‹ค.

^^; ๊ณ„์† ์ ์œผ๋กœ ๋ณ€๊ฒฝํ•ด๊ฐ€๋ฉด์„œ ํ…Œ์ŠคํŠธ๋ฅผ ํ•ด๋ณด๊ฒ ์ง€๋งŒ ...
ํŠนํ•˜์ง€ ์•Š์€ ํ™˜๊ฒฝ( ์•„๋งˆ์กด ํด๋ผ์šฐ๋“œ )์ด ๋ฐœ์ƒํ•จ์— ๋”ฐ๋ผ ๋จธ๋ฆฌ๊ฐ€ ์ข€ ์•„ํ”„๋„ค์š” ^^;

Sanghyuk Jung

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Apr 22, 2012, 9:43:44โ€ฏPM4/22/12
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์•ˆ๋…•ํ•˜์„ธ์š”, ์—ฌ๋‹ด์ด์ง€๋งŒ,ย DriverManagerDataSource์€ ย ์‹ค์ œ๋กœ๋Š” connection pool์ด ์•„๋‹™๋‹ˆ๋‹ค.. ์›น์ชฝ ์‹œ์Šคํ…œ์ด๋ผ๋ฉด ์ด ํด๋ž˜์Šค๋Š” ๊ฑฐ์˜ ํ…Œ์ŠคํŠธ ์šฉ๋„๋ผ๊ณ  ๋ณด์…”๋„ ๋ฉ๋‹ˆ๋‹ค.
ย ๊ฒฐ๊ตญ spring ์ž์ฒด์ ์œผ๋กœ connection pool์€ ์ œ๊ณตํ•˜์ง€ ์•Š์œผ๋ฏ€๋กœ 'spring connection pool'์ด๋ผ๋Š” ์šฉ์–ด๋Š” ํ˜ผ๋™์˜ ์—ฌ์ง€๊ฐ€ ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค~^^



2012๋…„ 4์›” 23์ผ ์˜ค์ „ 1:22, ๋ฐ•๋Œ€๊ถŒ <pran...@gmail.com>๋‹˜์˜ ๋ง:

์ฝ”๋ฐ”(์ด์ˆ˜ํ™)

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Apr 23, 2012, 2:19:15โ€ฏAM4/23/12
to Korea Spring User Group
ํ†ฐ์บฃ JNDI๋ฅผ ์‚ฌ์šฉ ์•ˆํ•˜์‹œ๊ณ  ์ง์ ‘ DBCP ์…‹ํŒ…์„ ํ•ด์ฃผ์…จ๋‹ค๋ฉด

์Šคํ”„๋ง์—์„œ C3P0 ์ปค๋„ท ํ’€์ด ์ข‹๋‹ค๊ณ  ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.

<bean id="abstractDataSource"
class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-
method="close" abstract="true">
<property name="initialPoolSize" value="5" />
<property name="maxPoolSize" value="20" />
<property name="minPoolSize" value="5" />
<property name="acquireIncrement" value="5" />
<property name="acquireRetryAttempts" value="30" />
<property name="acquireRetryDelay" value="1000" />
<property name="driverClass" value="ํด๋ž˜์Šค" />
<property name="jdbcUrl" value="์ ‘์†์ •๋ณด" />
<property name="user" value="์•„์ด๋””" />
<property name="password" value="ํŒจ์Šค์›Œ๋“œ" />
</bean>

์ด๊ฒƒ๋„ ํ•œ๋ฒˆ ์‚ฌ์šฉํ•ด๋ณด์‹œ์ง€์š”
๋ฌด์Šจ ๋ฌธ์ œ์ธ์ง€๋Š” ์ •ํ™•ํžˆ ๋ชจ๋ฅด๊ฒ ์ง€๋งŒ
์ด๊ฒƒ์ €๊ฒƒ ์‹œ๋„ ํ•ด๋ณด๋Š”๊ฒƒ๋„ ๊ดœ์ฐฎ์„๋“ฏํ•ฉ๋‹ˆ๋‹ค.

On 4์›”22์ผ, ์˜คํ›„8์‹œ48๋ถ„, ๊ณ ์ข…๋ด‰ <mercujj...@gmail.com> wrote:
> ๊ณ ์ƒ์ด ๋งŽ์œผ์‹ญ๋‹ˆ๋‹ค. ^^;
>
> ์ œ๊ฐ€ ๊ฒฝํ—˜ํ•˜๊ณ , ์•Œ๊ณ  ์žˆ๋Š” ์ง€์‹์œผ๋กœ๋Š”,,
>
> ์Šคํ”„๋ง์„ ์‚ฌ์šฉํ–ˆ๋‹ค๊ณ  db ์ปค๋„ฅ์…˜์— ๋ฌธ์ œ๊ฐ€ ์ƒ๊ธฐ์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค.. ์™œ๋ƒํ•˜๋ฉด ์‹ค์ œ๋กœ db ์ปค๋„ฅ์…˜์„ ๋‹ด๋‹นํ•˜๋Š” ๋ถ€๋ถ„์€
>
> dbcp ์„ค์ •์œผ๋กœ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š” dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ๋ ํ…Œ๋‹ˆ๊นŒ์š”.
>
> ์•ž์„œ ๋ง์”€ํ•˜์‹  ๊ฒƒ์ฒ˜๋Ÿผ,, ์ƒˆ๋กœ ๊ณ ์นจ์„ ๋ฐ˜๋ณตํ–ˆ์„ ๋•Œ ์˜ค๋ผํด TNS ์—๋Ÿฌ๊ฐ€ ๋‚ฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์€ (์›์ธ์ด ์ƒˆ๋กœ๊ณ ์นจ ๋•Œ๋ฌธ์ด๋ผ๊ณ  ํ•œ๋‹ค๋ฉด..)
>
> ๋ถ„๋ช…ํžˆ ์ปค๋„ฅ์…˜์ด ์ œ๋Œ€๋กœ ๋ฐ˜ํ™˜์ด ๋˜์ง€ ์•Š๋Š” ๋“ฑ์˜ ๊ตฌํ˜„์— ๋ฌธ์ œ๊ฐ€ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ๋ณด์ž…๋‹ˆ๋‹ค.
>
> ๋‹ค๋งŒ,, ์ฝ”๋“œ ์ƒ์—์„œ ์ปค๋„ฅ์…˜ ๋ฐ˜ํ™˜์ด ์ œ๋Œ€๋กœ ์•ˆ๋˜์—ˆ๋Š”์ง€ (์˜ˆ์ „ ๊ฐœ๋ฐœ ๋ฐฉ์‹์ฒ˜๋Ÿผ.. ์ฝ”๋“œ ์ƒ์—์„œ ์ง์ ‘ ์ปค๋„ฅ์…˜ ๋ฐ˜ํ™˜์„ ํ–ˆ๋‹ค๋ฉด..)
>
> ๋˜๋Š”,, dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๋ฒ„์ „์„ ํ™•์ธํ•ด๋ณด๋Š” ๊ฒƒ์ด ์ข‹์„ ๋“ฏ ํ•ฉ๋‹ˆ๋‹ค.
>
> apache-commons-dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ์ž์ฒด๋„ ์™„๋ฒฝํ•˜๋‹ค๊ณ  ์‹ ๋ขฐํ•  ์ˆ˜๋Š” ์—†์œผ๋ฉฐ,, ํŠน์ • ๋ฒ„์ „์—์„œ ์ปค๋„ฅ์…˜ ๋ฐ˜ํ™˜์— ๋ฌธ์ œ๊ฐ€ ์žˆ๋Š”๊ฒƒ์ด
> ๋ฐœ๊ฒฌ๋˜์–ด ํŒจ์น˜๋œ ๊ฒฝ์šฐ๊ฐ€ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
>
> ์ €ํฌ ์ชฝ์—์„œ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š” ์†Œ์Šค๋ฅผ ์ง€๊ธˆ ํ™•์ธํ•˜๊ธฐ ์–ด๋ ค์›Œ ๊ตฌ์ฒด์ ์œผ๋กœ ๋‹ต๋ณ€๋“œ๋ฆฌ์ง€๋Š” ๋ชปํ•˜์ง€๋งŒ,
>
> ์ถฉ๋ถ„ํžˆ ์‚ฌ์šฉ์ž๊ฐ€ ๋งŽ์€ ์„œ๋น„์Šค์ธ๋ฐ๋„ ์ปค๋„ฅ์…˜์€ (ํ†ฐ์บฃ)์„œ๋ฒ„๋‹น 10๊ฐœ๋ฅผ ๋„˜๊ธฐ์ง€ ์•Š๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
>

> *dbcp ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ์ชฝ์„ ํ™•์ธํ•ด๋ณด์‹œ๊ณ ,, ๋ฒ„์ „ ๋ณ€๊ฒฝ์ด๋‚˜ ํŒจ์น˜๋ฒ„์ „ ์ ์šฉ ๋“ฑ์˜ ์‹œ๋„๋ฅผ ํ•ด๋ณด์‹œ๋Š” ๊ฒƒ์„ ๊ถŒ์žฅ๋“œ๋ฆฝ๋‹ˆ๋‹ค.!! ^^;*
>
> ์ˆ˜๊ณ ํ•˜์„ธ์š”.
>
> 2012๋…„ 4์›” 22์ผ ์˜ค์ „ 3:53, ๋ฐ•๋Œ€๊ถŒ <pranl...@gmail.com>๋‹˜์˜ ๋ง:

wonhee

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May 10, 2012, 6:48:39โ€ฏPM5/10/12
to ks...@googlegroups.com
ORA-12519 ์˜ค๋ฅ˜๊ฐ€ ๊ณ„์† ๋‚˜ํƒ€๋‚˜๋Š” ๊ฑฐ๋ผ๋ฉด ์šฐ์„  processes๊ฐฏ์ˆ˜๊ฐ€ ํ†ฐ์บฃ์˜ ํ’€ max ์„ค์ •๊ฐฏ์ˆ˜ x ํ†ฐ์บฃ ๊ฐฏ์ˆ˜ ๋ณด๋‹ค ํฐ์ง€ ์šฐ์„  ํ™•์ธํ•˜์‹œ๊ณ ์š”.
myBatis์˜ ์บ์‹ฑ๋„ ์ ๊ทน์ ์œผ๋กœ ํ™œ์šฉํ•ด ๋ณด์„ธ์š”. ๊ฐ€๋Šฅํ•˜๋ฉด memcached ๋„์ž…ํ•˜๊ณ  etags ๋“ฑ๋“ฑ์„ ๋น„๊ตํ•ด์„œ ๊ฐ’์ด ๋ณ€๊ฒฝ๋œ ๊ฒฝ์šฐ๋งŒ DB์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ์ฝ์–ด์˜ค๋„๋ก ๊ณ ์นœ๋‹ค๋˜๊ฐ€ ํ•˜์‹œ๊ณ ์š”..
์š”์ฒญ์ด ๋ฐ€๋ฆฌ๋Š” ๊ฒฝ์šฐ queue ๋•Œ๋ฌธ์— ๊ณ„์† ์„œ๋น„์Šค๊ฐ€ ๋ฐ€๋ฆฌ๋Š” ๊ฑธ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด์„œ DB/Tomcat ๋“ฑ์˜ connection timeout, read timeout ๋“ฑ๋“ฑ์˜ ํŒŒ๋ผ๋ฉ”ํ„ฐ ๋“ฑ๋„ ์†๋ณผ ํ•„์š”๊ฐ€ ์žˆ์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.

ํ”„๋กœํŒŒ์ผ๋Ÿฌ๋‚˜ ๋””๋ฒ„๊น… ๋ชจ๋“œ ๋“ฑ์„ ํ†ตํ•ด์„œ ํ˜น์‹œ๋‚˜ ๋ถˆํ•„์š”ํ•œ ๊ฐ์ฒด ์ƒ์„ฑ์ด๋‚˜ DB์ฟผ๋ฆฌ๊ฐ€ ๋ฐœ์ƒํ•˜๊ณ  ์žˆ์ง€๋Š” ์•Š์€์ง€๋„ ํ…Œ์ŠคํŠธ๋ฅผ ํ•ด๋ณด์‹œ๊ณ ์š”.

๊ทธ๋ฆฌ๊ณ  ์ข€ ๋ง์ด ์•ˆ๋ ์ˆ˜๋„ ์žˆ๊ฒ ์ง€๋งŒ ๊ณ„์•ฝ๋‚ด์šฉ์— ์„ฑ๋Šฅํ…Œ์ŠคํŠธ์— ๋Œ€ํ•œ ๋ถ€๋ถ„์ด๋ผ๋“ ๊ฐ€ ๋ณด์žฅํ•ด์•ผ ๋˜๋Š” ์„ฑ๋Šฅ์— ๋Œ€ํ•ด์„œ ์–ด๋–ป๊ฒŒ ๋ช…์‹œ๋ฅผ ํ•ด๋†จ๋Š”์ง€๋ฅผ ์ฐพ์•„๋ณด์„ธ์š”.
๋ฌผ๋ก  ์„ฑ๋ŠฅํŠœ๋‹์ด ํ•„์š”ํ•˜๋‹ค๊ณ  ์ƒ๊ฐํ•˜์ง€๋งŒ ๊ทธ๋ƒฅ ์—ฌ๋Ÿฌ๋ช… ์™€์„œ F5๋ฅผ ์ฃผ๊ตฌ์žฅ์ฐฝ ๋ˆ„๋ฅด๊ณ  ์žˆ์œผ๋ฉด์„œ ์„ฑ๋Šฅํ…Œ์ŠคํŠธ๋ผ๊ณ  ํ•˜๋Š”๊ฒƒ๋„ ์ข€ ๊ทธ๋ ‡๋„ค์š”. ์šด์˜์œผ๋กœ์˜ ๋ฐ˜์˜์„ ์ค€๋น„์ค‘์ด๋ผ๋ฉด ์ด๋ฏธ database ๋„ ์ƒ์šฉ๊ธฐ์ชฝ์œผ๋กœ ์˜ฎ๊ธฐ๊ณ  Tomcat๋„ ์ถฉ๋ถ„ํžˆ ์ค€๋น„๊ฐ€ ๋œ ์ƒํƒœ์ธ์ง€์š”?

์ข€ ๋‹ค๋ฅธ ์ด์•ผ๊ธธ์ˆ˜๋„ ์žˆ๊ฒ ์ง€๋งŒ, ๋งˆ์ง€๋ง‰์œผ๋กœ ์˜ค๋ฅ˜ ๋ฉ”์„ธ์ง€๋„ ์ผ๋ถ€ ์ˆ˜์ •ํ•  ํ•„์š”๊ฐ€ ์žˆ์„ ๊ฐ™์Šต๋‹ˆ๋‹ค. ์‹œ์Šคํ…œ ์˜ค๋ฅ˜(๋„คํŠธ์›Œํฌ ์—ฐ๊ฒฐ์˜ค๋ฅ˜/DB ์˜ค๋ฅ˜ ๋“ฑ๋“ฑ) ๋“ฑ์€ ์‚ฌ์šฉ์ž ํ™”๋ฉด์— ๋ณด์—ฌ์ค˜ ๋ด์•ผ ์‚ฌ์šฉ์ž๊ฐ€ ๋ญ˜ ํ•  ์ˆ˜ ์žˆ๋Š”๊ฒƒ๋„ ์•„๋‹ˆ๋‹ˆ๊นŒ, ๊ทธ๋ƒฅ ์„œ๋น„์Šค๊ฐ€ ์ง€์—ฐ๋˜๊ณ  ์žˆ๋‹ค๋“ ๊ฐ€ ํ•˜๋Š” ๋ฌด๋‚œํ•œ ๋ฉ”์„ธ๋ฅผ ๋ณด์—ฌ์ฃผ๋Š” ๊ฒƒ๋„ ๊ดœ์ฐฎ์„ ๊ฒƒ ๊ฐ™๋„ค์š”.
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