Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

Hadoop 排序 / 合併 / 依群組處理

因應措施

即使您預先在 Hadoop 中進行排序,然後匯入到 RRE 沒有保證的分割將會包含整個依據群組,或以正確的順序處理。因此選項縮小範圍 CSV 輸入和︰

1) hive 控制檔,或用於排序、 合併及群組所處理的豬。

2) rmr2 或 plyrmr 群組的處理中。

Need more help?

Want more options?

探索訂閱權益、瀏覽訓練課程、瞭解如何保護您的裝置等等。

社群可協助您詢問並回答問題、提供意見反應,以及聆聽來自具有豐富知識的專家意見。

Was this information helpful?

How satisfied are you with the translation quality?
What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×