Backend Development
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Why does a timeout issue occur when using the Gin framework to handle high concurrent requests?
Why does a timeout issue occur when using the Gin framework to handle high concurrent requests?
Apr 02, 2025 pm 03:45 PM
Analysis and resolution of high concurrent request timeout problem in Gin framework
When building web applications using the Go language Gin framework, handling high concurrent requests is a common scenario. This article analyzes the timeout problem encountered by a developer when using ab for stress tests: the number of requests is normal if they are less than 16,000, and if they exceed 16,400, they will time out and stop accepting new requests.
The problem reappears
The developer uses the following ab command for testing:
ab -n 16700 -c 100 -t application/x-www-form-urlencoded -s 300 -p ab_test.json http://127.0.0.1:8080/login/push
ab_test.json content:
{"user_id": 5}
Gin code snippet:
package main
import (
"github.com/gin-gonic/gin"
)
func main() {
r := gin.Default()
r.POST("/login/push", func(c *gin.Context) {
c.JSON(200, gin.H{
"message": "pong",
})
})
r.Run() // Simplify the code and omit error handling}
When more than 16400 requests, a timeout error occurs and the server stops responding.
Cause analysis
This problem may stem from the following aspects:
- System resource limitation: The operating system has a limit on the number of open file descriptors, and each HTTP connection occupies one file descriptor. Under high concurrency, exceeding the system limit will cause new connections to be unable to be established.
- Gin framework default configuration: The Gin framework default configuration may not be suitable for high concurrency scenarios, such as the connection timeout is too short.
-
abtool limitations: Whenabtool handles extremely high concurrency, the connection pool management efficiency may be insufficient, resulting in timeout.
Solution
Improve system resource limitations: Modify operating system configuration files (such as
/etc/security/limits.conf) and increasenofilelimitations.-
Adjust the Gin framework configuration: Use
http.Serverto customize the configuration and extend the timeout:package main import ( "github.com/gin-gonic/gin" "net/http" "time" ) func main() { r := gin.Default() r.POST("/login/push", func(c *gin.Context) { c.JSON(200, gin.H{ "message": "pong", }) }) srv := &http.Server{ Addr: ":8080", Handler: r, ReadTimeout: 10 * time.Second, WriteTimeout: 10 * time.Second, } srv.ListenAndServe() } Use more powerful stress testing tools: Consider using more powerful tools like
wrkork6, which have better performance and stability in high concurrency scenarios.
Through the above methods, developers can effectively solve the problem of timeout of Gin framework under high concurrent requests. If the problem persists, it is recommended to check the server logs and troubleshoot other potential problems, such as database connection pools, code logic, etc.
The above is the detailed content of Why does a timeout issue occur when using the Gin framework to handle high concurrent requests?. For more information, please follow other related articles on the PHP Chinese website!
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