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[215] Druid로 쉽고 빠르게 데이터 분석하기

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[215] Druid로 쉽고 빠르게 데이터 분석하기

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[215] Druid로 쉽고 빠르게 데이터 분석하기

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  9. 9. (저장모듈) (조회모듈) (M/R 방식)
  10. 10. 지난기간(2017년 8월) 월간 데이터 순위가 바뀌는 경우가 있습니다. 데이터 변경은 없었는데…? ? ??
  11. 11. uk 67 usa 25 korea 17
  12. 12. Country Sum(count) Ratio over total count korea 225 20% uk 171 15.2% usa 33 2.9% country count korea 95 china 17 korea 130 usa 33 … … country SUM(count) korea 225 china 17 usa 33 uk 171 … … country SUM(count) korea 225 uk 171 usa 33 SUM(count) 1125 SUM(count) 1125
  13. 13. sum(count) 큰 순 + 누적값 Country Sum(count) Ratio over total count korea 225 20% uk 171 15.2% usa 33 2.9% • • • • Cursor TopN Aggregation Entry TopNResultBuilder Row Row Row TopN Queue
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  16. 16. Country Korea UK Korea UK China China •
  17. 17. (Dataset : 44억건 로그 저장) sec sec
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