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[CBRD-25447] Support parallel heap scan #5850

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[CBRD-25447] Support parallel heap scan #5850

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@xmilex-git xmilex-git commented Feb 6, 2025 •
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http://jira.cubrid.org/browse/CBRD-25447

힙 스캔의 성능을 향상시키기 위하여, 병렬 힙 스캔 기능을 큐브리드에 추가하고자합니다.

아래 개선 사항들중 완료되지 않은 사항은 다른 개선 이슈/PR에서 진행할 예정입니다.

  • trace 출력
  • select /*+ parallel_heap_scan_threads(4) */ 와 같은 힌트 추가
  • TYPE_SP를 포함하더라도 phs 가능하게
  • 전역 worker pool 사용/전역 쓰레드 상한선 설정
  • 현재 쿼리/세션에서의 parallel threads 상한선 설정

@xmilex-git xmilex-git self-assigned this Feb 6, 2025
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