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vi /etc/sysctl.conf net.ipv4.ip_forward = 1 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_tw_recycle = 1 vm.overcommit_memory = 1 sysctl -p ulimit -n 65536 ulimit -Sn 65536 vi /etc/security/limits.co...
通过协程累加全局变量时,当时获取的数据不正确如test2,需要使用test3进行同步锁的方式进行累加,但是如果开启定时任务进行读取操作,则结果是正确的func test2() { for i:=0;i<100;i++ { go func() { test++ }() } ...
package main // xiaorui.cc import ( "fmt" "github.com/labstack/echo" "net/http" "time" ) var test int func timer12() { //创建一个周期性的定时器 ...
不同企业使用sync.Map全局变量进行记录,协程异步任务定时更新sync.Map数据到redis中package main import ( "fmt" "github.com/labstack/echo" "net/http" "time" //"net/...
package main import ( "fmt" "net/http" "github.com/labstack/echo" "sync" ) var m sync.Map // 判断管道有没有存满 func main() { e := echo...