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      <title>PostgreSQL 19: EXPLAIN ANALYZE가 빨라진다 — RDTSC 이야기</title>
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      <description>EXPLAIN ANALYZE를 붙이면 쿼리가 느려진다는 건 알고 있었다. PostgreSQL 19에서 RDTSC CPU 명령어로 타이밍 오버헤드를 38% 줄인 이야기.</description>
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