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笔记

AckMode

BATCH(默认) 			# 每次poll的时候批量提交一次,频率取决于每次poll的调用频率
TIME 					# 每次间隔ackTime的时间去commit
COUNT					# 累积达到ackCount次的ack去commit
COUNT_TIME				# ackTime或ackCount哪个条件先满足,就commit
MANUAL					# listener负责ack,但是背后也是批量上去
MANUAL_IMMEDIATE		# listner负责ack,每调用一次,就立即commit

master test idea3

main test222
# 延伸阅读