him is 60score for him is 75score for him is 91grep‘年级’file.txt -A 1
然而,这将只过滤那些没有成绩的行。可能有几行是有成绩的,但分数却少了。在unix/linux中是否还有其他更好的命令可以删除这样的连续行,这些行中有两行包含等级或分数
我正在尝试在单个zookeeper节点中安装3个Kafka Broker的Kafka设置,但我看到Kafka进程在几分钟内就会停止,并在Kafka日志中抛出错误: 2019-05-29 14:06:42,508] INFO Opening socket connection to server kafka3/192.168.1.103:2181. Will not attempt to authenticate using SASL (unknown error) (org.apache.zookeeper.ClientCnxn)
[2019-05-29 14:06:44,511] WARN