往 Kafka 里面寫數(shù)據(jù)時, 默認在不存在那個topic 時,會自動創(chuàng)建
測試能否連上某臺機器的 kafka
yum install telnet
yum install telnet-server
telnet 10.10.10.35 9092
如果
Trying 10.10.10.35...
Connected to 10.10.10.35.
Escape character is '^]'.
說明可以連通。
同樣適用于 zoomkeeper:
telnet 10.0.201.83 2181
Trying 10.0.201.83...
Connected to 10.0.201.83.
Escape character is '^]'.