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Apache Impala
스키마 동기화 이슈
Page History
Versions Compared
Old Version
2
changes.mady.by.user
Edward
Saved on
Oct 21, 2024
compared with
New Version
3
changes.mady.by.user
Edward
Saved on
Oct 21, 2024
Previous Change: Difference between versions 1 and 2
Next Change: Difference between versions 3 and 4
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구분
발생 시점
2개 이상의 Impala Coordinator 또는 Impala Daemon을 Coordinator로 사용시 발생
Impala Coordinator에 대한 Load Balancing이 Round Robin 또는 Least Connection 등 요청시마다 변경되는 경우 발생
DDL → DML 등의 순서 대로 실행시 상기 조건과 결합되어 발생
발생시 결과
Table Not Found 등의 에러 발생
조치 방법
JDBC/ODBC에서는 SYNC_DDL 옵션을 지원하지 않음
Impala Shell 등에서 실행
참고 URL
DDL statements
Strata London 2019 Scaling Impala
Overview
Content Tools
{"serverDuration": 69, "requestCorrelationId": "65d62067a286502b"}