IT Talks 102

Product Manager vs Project Manager (์ฐจ์ด์ )

ํ”ํžˆ ๋งํ•˜๋Š” PM ์ด ํšŒ์‚ฌ๋ณ„๋กœ Project Manager ๋˜๋Š” Product Manager ๋ผ๋Š” ๋‹ค๋ฅธ ์˜๋ฏธ๋กœ ์‚ฌ์šฉ๋˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์•˜์—ˆ๋Š”๋ฐ ๊ทธ ์ฐจ์ด์— ๋Œ€ํ•ด ๋ช…ํ™•ํžˆ ๊ตฌ๋ถ„ํ•ด๋ณธ์ ์ด ๋ณ„๋กœ ์—†๋Š”๊ฒƒ ๊ฐ™๊ธด ํ•˜๋‹ค. (๊ฒฝ์šฐ์— ๋”ฐ๋ผ ๋‘๊ฐ€์ง€ ์—…๋ฌด๋ฅผ ๋ชจ๋‘ ํ•˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ๋งŽ๊ธฐ๋„..) ํ•œ ์‚ฌ๋žŒ์ด 2๊ฐ€์ง€ ์—ญํ• ์„ ํ• ์ˆ˜๋„ ์žˆ๊ณ , ๊ฐ์ž ๋‹ค๋ฅธ ์‚ฌ๋žŒ์ด ํ•  ์ˆ˜๋„ ์žˆ๋Š” Product Manager ์™€ Project Manager ์˜ ์ฐจ์ด์ ์— ๋Œ€ ์ •๋ฆฌ๋œ ์ด๋ฏธ์ง€๊ฐ€ ์žˆ์–ด์„œ ๋ณด๊ด€์šฉ์œผ๋กœ ๊ณต์œ .

IT Talks 2023.12.07

๋กœ๋“œ๋ฐธ๋Ÿฐ์‹ฑ (Load Balancing) ์•Œ๊ณ ๋ฆฌ์ฆ˜

Static Algorithms Round robin The client requests are sent to different service instances in sequential order. The services are usually required to be stateless. Sticky round-robin This is an improvement of the round-robin algorithm. If Alice’s first request goes to service A, the following requests go to service A as well. Weighted round-robin The admin can specify the weight for each service. ..

IT Talks 2023.11.02

์ฝ”๋“œ ๋ฐฐํฌ ๊ณผ์ • (How Companies Ship Code To Production)

์ฝ”๋“œ๋ฅผ ๊ฐœ๋ฐœํ•˜๊ณ  ์‹ค์ œ ์ œํ’ˆ(์„œ๋น„์Šค)์œผ๋กœ ๋ฐฐํฌ๋˜๋Š” ๊ณผ์ •์„ ํ•œ๋ˆˆ์— ๋ณด๊ธฐ ์ข‹๊ฒŒ ์ •๋ฆฌํ•œ ์ด๋ฏธ์ง€๊ฐ€ ์žˆ์–ด์„œ ๊ฐ€์ ธ์˜ด * ์ถœ์ฒ˜ :

IT Talks 2023.10.16

ํด๋ผ์šฐ๋“œ ๋น„๊ต ์น˜ํŠธ ์‹œํŠธ (Cloud Comparison Cheat Sheet)

์š”์ฆ˜์€ ๋Œ€๋ถ€๋ถ„ ํผ๋ธ”๋ฆญ ํด๋ผ์šฐ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์ง€๋งŒ ๊ฐ ํด๋ผ์šฐ๋“œ๋ณ„๋กœ ์šฉ์–ด๊ฐ€ ๋‹ฌ๋ผ์„œ ํ—ท๊ฐˆ๋ฆฌ๋Š” ๊ฒฝ์šฐ๊ฐ€ ์žˆ๋‹ค. ์•„๋ž˜ ์ด๋ฏธ์ง€๋ฅผ ๋ณด๋ฉด ๊ฐ ํด๋ผ์šฐ๋“œ๊ฐ„ ๋น„์Šทํ•œ ์„œ๋น„์Šค๋ฅผ ํ•œ๋ˆˆ์— ๋ณผ ์ˆ˜ ์žˆ๋‹ค. * ์ถœ์ฒ˜ :

IT Talks/Cloud 2023.08.04

๋ฐ์ดํ„ฐ ์ง๋ฌด๋ณ„ ์Šคํ‚ฌ - Types of Data Professionals

์ „์— ๋ฐ์ดํ„ฐ ์ง๋ฌด๋ณ„ ํ•˜๋Š”์ผ์— ๋Œ€ํ•œ ํฌ์ŠคํŒ…์„ ์˜ฌ๋ฆฐ ์ ์ด ์žˆ์—ˆ๋Š”๋ฐ (์•„๋ž˜ ๊ธ€ ์ฐธ๊ณ ) ์ด๋ฒˆ์—๋Š” ๊ฐ ๋ฐ์ดํ„ฐ ์ง๋ฌด๋ณ„ ์ฃผ์š” ์—…๋ฌด์— ๋Œ€ํ•ด ์ฐจํŠธ ํ˜•ํƒœ๋กœ ๋œ ๊ทธ๋ฆผ์ด ์žˆ์–ด์„œ ๊ณต์œ ํ•ด ๋ณธ๋‹ค. Data Scientist vs Engineer vs Analyst ์˜ˆ์ „์— ์ธํ„ฐ๋„ท์—์„œ ๋ดค๋˜ ์ด๋ฏธ์ง€ ์ธ๋ฐ, ๋ฐ์ดํ„ฐ ๊ด€๋ จ ์ง๋ฌด์— ๋Œ€ํ•ด ์ •๋ฆฌ๊ฐ€ ์ž˜ ์•ˆ๋˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์•„์„œ ์ฐธ๊ณ ํ•˜๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™๋‹ค. (ํ˜„์‹ค์€ ๊ทธ๋ ‡์ง€ ์•Š์ง€๋งŒ) Data Scientist ํ†ต๊ณ„๋‚˜ ๋จธ์‹  ๋Ÿฌ๋‹์„ ์ด์šฉํ•ด ์ฃผ์š” ๋น„

IT Talks/BigData 2023.08.02


๋งค๋ฒˆ ๊ฒ€์ƒ‰ํ•˜๊ธฐ ๊ท€์ฐฎ์•„์„œ ํผ์˜ด ใ…Žใ…Ž Table 11.1 Required Storage and Range for Integer Types Supported by MySQL Type Storage (Bytes) ์ตœ์†Œ๊ฐ’ (signed) ์ตœ์†Œ๊ฐ’ (unsigned) ์ตœ๋Œ€๊ฐ’ (signed) ์ตœ๋Œ€๊ฐ’ (unsigned) TINYINT 1 -128 0 127 255 SMALLINT 2 -32768 0 32767 65535 MEDIUMINTINT 3 -8388608 0 8388607 16777215 INT 4 -2147483648 0 2147483647 4294967295 BIGINT 8 -2^63 0 2^63 - 1 2^64 - 1 * ์ถœ์ฒ˜ :

IT Talks/Database 2023.07.23

How To Install Jenkins on Ubuntu 22.04

Jenkins ์„ค์น˜ ๊ด€๋ จํ•ด์„œ ๊ฒ€์ƒ‰์„ ํ•˜๋‹ค๋ณด๋ฉด ์ด๋Ÿฐ์ €๋Ÿฐ ๊ธ€๋“ค์ด ๋งŽ์€๋ฐ ์„ค์น˜ ํ•˜๋‹ค ๋ณด๋ฉด GPG error ๋„ ์ข…์ข… ๋ฐœ์ƒํ•˜๊ณ  ์ด๋Ÿฐ ์ €๋Ÿฐ ์˜ค๋ฅ˜๊ฐ€ ๋‚˜์˜ค๋Š” ๊ฒฝ์šฐ๊ฐ€ ์žˆ๋Š”๋ฐ ๊ณต์‹ ํ™ˆํŽ˜์ด์ง€์— ์žˆ๋Š” ๊ฐ€์ด๋“œ ๋Œ€๋กœ ๋”ฐ๋ผํ•˜๋ฉด ๋ฌธ์ œ ์—†์ด ์„ค์น˜๊ฐ€ ๋˜๋Š” ๊ฒƒ ๊ฐ™๋‹ค. * ์ถœ์ฒ˜ : ์•„๋ž˜ ์ฝ”๋“œ๋ฅผ ์‰ด์—์„œ ์ˆœ์„œ๋Œ€๋กœ ์‹คํ–‰ curl -fsSL | sudo tee \ /usr/share/keyrings/jenkins-keyring.asc > /dev/null echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \..

IT Talks/Linux 2023.05.23

git subtree - repository ๋‚ด์— ๋‹ค๋ฅธ repository link ํ•˜๊ธฐ

Github ๋“ฑ์—์„œ git ์„ ํ†ตํ•ด ์ฝ”๋“œ๋ฅผ ๊ด€๋ฆฌํ•˜๋‹ค ๋ณด๋ฉด ์—ฌ๋Ÿฌ repo ์— ์ค‘๋ณต๋˜๋Š” ์ฝ”๋“œ๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋‹ค. ์ด๋Ÿฐ repo ๊ฐ„ ์ฝ”๋“œ ์ค‘๋ณต์„ ํ”ผํ•˜๊ธฐ ์œ„ํ•ด ํŠน์ • repo ์•ˆ์— ๋‹ค๋ฅธ repo ๋ฅผ ์—ฐ๊ฒฐํ•ด์„œ ์‚ฌ์šฉํ•˜๋ฉด ์ค‘๋ณต์„ ํ”ผํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ, git subtree ๋ฅผ ํ™œ์šฉํ•˜๋ฉด ๊ฐ€๋Šฅํ•˜๋‹ค. (๋ฆฌ๋ˆ…์Šค์—์„œ์˜ symbloic link ์™€ ๋น„์Šทํ•˜๋‹ค๊ณ  ํ•ด์•ผํ• ๊นŒ?) - ๋ฉ”์ธ repo : mysite - ์„œ๋ธŒ repo : utils (์—ฐ๊ฒฐํ•  repo) ๋ฉ”์ธ repo ์˜ ์ตœ์ƒ์œ„ ํด๋”์—์„œ ์•„๋ž˜ ๋ช…๋ น์„ ์ˆœ์„œ๋Œ€๋กœ ์‹คํ–‰ 1. remote ์— ์—ฐ๊ฒฐํ•  repo ๋“ฑ๋ก $ git remote add [remote ์ด๋ฆ„] [์—ฐ๊ฒฐํ•  repo ์ฃผ์†Œ] $ git remote add utils

IT Talks 2023.03.22