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OD

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DevTool-Memory View

7 min readMar 13, 2026

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๐Ÿšš Flutter Memory Debugging Series

โ€œ์ด ๊ธ€์€ ๋ฉค๋ฒ„ ์ „์šฉ ์ฝ˜ํ…์ธ ์ด๋‚˜, [์—ฌ๊ธฐ]๋ฅผ ํด๋ฆญํ•˜์‹œ๋ฉด ์ „์ฒด ๋‚ด์šฉ์„ ๋ฐ”๋กœ ํ™•์ธํ•˜์‹ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.โ€

DebTool์˜ Memory Tap์„ ์—ฝ๋‹ˆ๋‹ค.

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Memory chart

Memory chart๋ฅผ ์—ด๋ฉด ๋Œ€๋žต์ ์ด Memory ์†Œ๋น„์œจ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Memory Chart์˜ ์˜ค๋ฅธ์ชฝ์—๋Š” Pause(โธ๏ธ), Resume(โ–ถ๏ธ), Clear(๐Ÿšซ) ๋ฒ„ํŠผ์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋ฅผ ์ด์šฉํ•ด ๊ธฐ์กด Memeory data๋ฅผ clearํ•˜๊ณ  ์ƒˆ๋กœ Memory data๋ฅผ ์ˆ˜์ง‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Default option์„ ๋ณ€๊ฒฝํ•˜๋ฉด timeline์‹œ๊ฐ„ ๊ธฐ์ค€์„ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

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Memeory chart์˜ ํŠน์ • ์ง€์ ์„ clickํ•˜๋ฉด ์ข€ ๋” ์ƒ์„ธํ•œ ์ •๋ณด๋ฅผ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

  • RSS or Resident Set Size: RSS ํฌ๊ธฐ๋Š” ํ˜„์žฌ memory์— load๋œ program์˜ memory์ž…๋‹ˆ๋‹ค. ์ฆ‰์‹œ ์‚ฌ์šฉ๊ฐ€๋Šฅํ•œ memoryโ€ฆ

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