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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                :-: ![](https://img.kancloud.cn/ea/62/ea6256377fb0e6e9d2a7cee2cc2bccdf_1434x417.png) Flume事務 Flume有Put和Take兩種事務。 **Put事務:** (1)doPut,將批數據寫入臨時緩沖區pulList (2)doCommit,檢查channel內存隊列是否有空間足夠合并數據 (3)doRollback,如果channel內存不足,回滾數據 **Take:** (1)doTake,數據臨時讀到緩沖區takeList,并發送至HDFS (2)doCommit,如果發送成功,清除緩沖區數據 (3)doRollback,如果發送過程中出現異常,將臨時緩沖區數據歸還給Channel
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