創建動態分區時Number of reduce tasks is set to 0 since there‘s no reduce operator

創建動態分區時卡住不動，顯示Number of reduce tasks is set to 0 since there‘s no reduce operator 原因：yarn集羣的資源管理器沒有啓動成功 解決：start-yarn.sh 插入動態分區時：contains non-partition columns (state=42000,code=40000) 原因：應該是語句寫錯了 解決：

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