Seokyun Ha

Kubernetes Lover
CS && MATH

Pinned Posts ๐Ÿ“Œ

๋ฏธ์ ๋ถ„ํ•™์„ ๋‹ค์‹œ ๊ณต๋ถ€ํ•˜๋ฉฐ ๋“  ์ƒ๊ฐ๋“ค

8 minute read

์ปด๊ณต๊ณผ ํ•™์ƒ์ด ์ˆ˜ํ•™๊ณผ ์กธ์—…์‹œํ—˜์„ ์œ„ํ•ด ๊ณ ๊ตฐ๋ถ„ํˆฌ ํ•˜๋Š” ์ฒซ๋ฒˆ์งธ ์ด์•ผ๊ธฐ. ๊ทธ๋ž˜๋„ ๋ณตํ•™ ํ•˜๊ธฐ ์ „์— ๋ฏธ์ ๋ถ„ํ•™์€ ๋๋ƒˆ๋‹ค๋Š” ๊ฐ๋™์ ์ธ ์ด์•ผ๊ธฐ ๐Ÿฅบ

Istio Certified Associate ์‹œํ—˜ ํ›„๊ธฐ โญ๏ธ

13 minute read

2024๋…„์˜ ์ฒซ ์ž๊ฒฉ์ฆ์œผ๋กœ ๋„์ „ํ•œ Istio ์ž๊ฒฉ์ฆ!! ๊ทธ๋ฆฌ๊ณ  K8s ์—”์ง€๋‹ˆ์–ด๋กœ ์„ฑ์žฅํ•œ ๋‚˜์˜ ์ด์•ผ๊ธฐ โ›ต๏ธ

Lucene Segment

6 minute read

์—˜๋ผ์Šคํ‹ฑ์„œ์น˜ ๋‚ด๋ถ€ ํƒํ—˜: ๋ฃจ์”ฌ ์„ธ๊ทธ๋จผํŠธ๋กœ ์ดํ•ดํ•˜๋Š” ๊ฒ€์ƒ‰ ์—”์ง„์˜ ์„ฌ์„ธํ•œ ๋ฉ”์ปค๋‹ˆ์ฆ˜ ๐Ÿ”ฆ

Recent Posts ๐Ÿƒ

1st order Homogeneous Linear ODE

7 minute read

Homogeneous Linear ODE๋ฅผ Exact ODE๋กœ ํ•ด์„ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ดโ€ฆ ๐Ÿ”ฆ

Exact Differential Equation

7 minute read

Total Differential๊ณผ Implicit Equation์˜ ๊ด€๊ณ„์— ๋Œ€ํ•ด ๐ŸŒ€

Spark Jobs, Stages and Tasks

7 minute read

Spark๊ฐ€ Lazy Evaluation์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๊ณผ์ •. Narrow Transformation๊ณผ Wide Transformation. RDD Partition๊ณผ Spark Task์— ๋Œ€ํ•ด.

Spark Speculative Execution

3 minute read

Spark์—์„œ ๋Š๋ฆฐ ์ž‘์—…์„ ์ฒ˜๋ฆฌํ•˜๊ธฐ ์œ„ํ•œ ๊ธฐ๋ฒ•. ๋Š๋ฆฌ๊ฒŒ ์‹คํ–‰๋˜๋Š” ์ž‘์—…์„ ๊ฑด๊ฐ•ํ•œ ์›Œ์ปค ๋…ธ๋“œ์— ๋ณต์ œํ•˜์—ฌ ์‹คํ–‰ํ•˜๋Š” ๊ธฐ๋ฒ•.

Spark Kryo Serializer

1 minute read

Spark์˜ ์ง๋ ฌํ™”, ๊ทธ๋ฆฌ๊ณ  ์ง๋ ฌํ™” ์„ฑ๋Šฅ์„ ์˜ฌ๋ ค์ฃผ๋Š” Kryo Serializer ์‚ฌ์šฉํ•˜๊ธฐ.