b, err := ioutil.ReadFile(“xxx/path”)
if err != nil {
panic(err)
}
str := string(b)
[……]
Go读取本地文件
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Author Archives: coder4
Kafka的webui
https://github.com/cloudhut/kowl[……]
Linux内核网络参数优化小结
tcp建连优化
1 tcp建连，降低客户端超时时间
net.ipv4.tcp_syn_retries = 6
2 tcp建连，服务端避免syn攻击
netstat -s | grep “SYNs to LISTEN” 1192450 SYNs to LISTEN sockets dropped
可以考虑增大syn队列
net.ipv4.tcp_max_syn_backlog = 1024
超过上述队列后，启用syn cookie
net.ipv4.tcp_syncookies =[……]
G1垃圾回收器推荐调优参数
官方权威指南：https://www.oracle.com/cn/technical-resources/articles/java/g1gc.html[……]