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    <title>Dead Tuple on Jun Kang&#39;s Blog</title>
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      <title>[PostgreSQL] VACUUM을 돌렸는데 디스크가 안 줄어드는 이유</title>
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      <description>VACUUM은 죽은 튜플이 쓰던 공간을 재사용 가능한 상태로 만들 뿐, 운영체제에 디스크를 돌려주지 않습니다. VACUUM과 VACUUM FULL이 실제로 하는 일의 차이, 그리고 bloat를 실측하는 방법을 정리합니다.</description>
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