關於 http keep-alive ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. HTTP Persistent Connections - Oracle Help Center

HTTP persistent connections, also called HTTP keep-alive, or HTTP connection reuse, is the idea of using the same TCP connection to send and receive ...

#12. 深度原理學習–TCP與HTTP的keep–alive機制 - 每日頭條

前文講解了HTTP協議中，以tomcat為例說明了server端是如何處理keepalive的。但這並不意味著在client端，除了設置keep-alive請求頭之外，就什麼也不用考慮 ...

#13. 在Node.js 中重複使用Keep-Alive 的連線

const AWS = require('aws-sdk') // http or https const https = require('https'); const agent = new https.Agent({ keepAlive: true }); const dynamodb = new AWS.

#14. 关于Http 协议中的keep-alive 与Tcp keep-alive - LearnKu

首先 Http协议 是建立在 TCP协议 的基础上的， TCP 是 传输层 的协议， Http 是 应用层 协议。Http 底层也是通过TCP 传输的。 HTTP keep-alive#. Http 是一个 ”请求-响应” ...

#15. 微軟IIS對http keep-alive的“霸道”處理- cmt - IT工程師數位筆記本

文章出處 大家都知道在IIS中有個HTTP keep-alive設置，見下圖： 很多人可能和我們一樣，以為這樣設置后，IIS會就在發送響應內容時加上這個http ...

#16. HttpWebRequest.KeepAlive Property (System.Net) - Microsoft ...

Set this property to true to send a Connection HTTP header with the value Keep-alive. An application uses KeepAlive to indicate a preference for persistent ...

#17. 细说Http中的Keep-Alive和Java Http中的Keep-Alive机制

TCP的KeepAlive，Http的KeepAlive，现在就连一些前端框架都有类似KeepAlive的东西了（比如VUE.js，保持路由）。

#18. 面试官：TCP Keepalive 和HTTP Keep-Alive 是一个东西吗？

HTTP 的Keep-Alive 也叫HTTP 长连接，该功能是由「应用程序」实现的，可以使得用同一个TCP 连接来发送和接收多个HTTP 请求/应答，减少了HTTP 短连接带来的 ...

#19. TCP 的Keepalive 和HTTP 的Keep-Alive 是一個東西嗎？ | IT人

大家好，我是小林。之前有讀者問了我這麼個問題：TCP 的Keepalive 和HTTP 的Keep-Alive 是一個東西嗎？這是個好問題，應該有不少人都會搞混， ...

#20. HTTPS connection keep alive performance - Stack Overflow

I think you have confused a lot of tings here. Keepalive header in HTTP protocol suggests a client that server wouldn't mind to accept ...

#21. HTTP Keep-alive holding connection to disabled server

We have x number of servers in a pool and they are configured with HTTP keep-alives enabled. When one of the servers needs maintenance or is getting sick, ...

#22. HTTP Connection 头（header）说明：keep-alive和closer的区别

HTTP Connection 头（header）说明：keep-alive和closer的区别前言在http请求时，我们一般会在request header 或response header 中看 ...

#23. http協議Keep-Alive - IT閱讀

Keep -Alive的啟用是通過在HTTP 頭信息中明確聲明來完成的。以apache web server為例，如果你有權限訪問Apache的配置文件（httpd.conf），你可以在這裏打開 ...

#24. HTTP keep alive concept - Wiki

HTTP persistent connection, also called HTTP keep-alive, or HTTP connection reuse, is the idea of using a single TCP connection to send and receive multiple ...

#25. Improving Website Performance: Enabling Keep-Alive

Keep -Alive, also known as a persistent connection, is a communication pattern between a server and a client to reduce the HTTP request ...

#26. 详解HTTP 与TCP中Keep-Alive机制的区别 - 腾讯云

同时会详细介绍tcp中的keepalive机制以及应用层的心跳。 1 HTTP中的keep-alive. 1.1 为什么HTTP是短连接. 众所周知，HTTP是短连接，client向server发送 ...

#27. 长连接· Nginx 学习笔记

client发送的HTTP请求要求keep alive; nginx设置上支持keep alive. HTTP配置. 默认情况下，nginx已经自动开启了对client连接的keep alive支持。

#28. HTTP keep-alive 二三事 - 三点水

HTTP keep -alive 也称为HTTP 长连接。它通过重用一个TCP 连接来发送/接收多个HTTP请求，来减少创建/关闭多个TCP 连接的开销。keep-alive 用不用？

#29. next.config.js: Disabling HTTP Keep-Alive

Next.js will automatically use HTTP Keep-Alive by default. Learn more about how to disable HTTP Keep-Alive here.

#30. Persistent connections

An HTTP/1.1 proxy that receives a Keep-alive: request from an HTTP/1.1 client or proxy MUST NOT create a persistent connection; this event indicates that ...

#31. [筆記] AWS ALB 502 Bad Gateway Errors Caused by Short ...

本文用以記錄筆者前陣子在工作上，因為後端伺服器HTTP keep-alive timeout 設定過短，所造成的AWS ALB 502 bad gateway 問題。

#32. server keep-alive timeout 不一致的502 錯誤 - Yuanchieh's Blog

Http persistent connection 研究與proxy — server keep-alive timeout 不一致的502 錯誤. 架構上使用elb 當作load balancer proxy，後端接nodejs api ...

#33. Solving Performance Testing Problem: Missing HTTP Keep Alive

If the client wants a connection to be reused, one has to send Connection: keep-alive and check if the server responds with the same header.

#34. Nordix/kahttp: Keep-alive http test program - GitHub

This test program is intended for testing many simultaneous (keep-alive) http connections. It is not intended for throughput or latency measurements but is ...

#35. WCF 與HTTP Keep-Alive - Huan-Lin 學習筆記

什麼是HTTP Keep-Alive？ 當瀏覽器向伺服器要求多項資源時（例如.html、.jpg、.js 等等），伺服器會一直保持目前的連線一段時間，以便將這些資源傳遞至 ...

#36. Configuring keep alive timeout on Message Processors

The keep alive timeout on the Message Processor allows a single TCP connection to send and receive multiple HTTP requests/responses from/to ...

#37. Reverse Proxy, HTTP Keep-Alive Timeout, and sporadic HTTP ...

TL;DR: HTTP Keep-Alive between a reverse proxy and an upstream server combined with some misfortunate downstream- and upstream-side timeout ...

#38. How to use keep-alive connections to improve performance

Keep -alive connections use a single TCP connection to handle multiple HTTP requests and responses. Instead of opening a new TCP connection every time a ...

#39. TCP和HTTP中的KeepAlive机制总结 - InfoQ 写作平台

HTTP 的KeepAlive在HTTP 1.0版本默认是关闭的，但在HTTP1.1是默认开启的；操作系统里TCP的KeepAlive默认也是关闭，但一般应用都会修改设置来开启。

#40. 通过实例理解Go标准库http包是如何处理keep-alive连接的

按照HTTP/1.1的规范，Go http包的http server和client的实现默认将所有连接视为长连接，无论这些连接上的初始请求是否带有Connection: keep-alive。 下面 ...

#41. What is Keep-Alive? - Articles for Developers Building High ...

Keep -Alive (also known as HTTP Keep-Alive or persistent connection) is a bit of communication (message) between the client and server that ...

#42. KeepAlive详解 - 简书

HTTP 协议的Keep-Alive意图在于短时间内连接复用，希望可以短时间内在同一个连接上进行多次请求/响应。 TCP的KeepAlive机制意图在于保活、心跳，检测连接 ...

#43. How does http keep-alive works, whats the difference between ...

HTTP keep -alive is used to reuse a persistent TCP connection for short-lived HTTP sessions. TCP keep-alive basically heartbeats used for 1) update the NAT cache ...

#44. Keep-Alive Connection Example - ReqBin

The Keep-Alive Connection means that the server won't close the Connection after fulfilling the request. In HTTP 1.1, all connections are ...

#45. Network.http.keep-alive - Knowledge Base - mozillaZine

HTTP is the application-layer protocol that most web pages are transferred with. HTTP keep-alive connections can be re-used for multiple ...

#46. What is the security risk of enabling persistent connection ...

It simply keeps the connection open by sending the request really slowly. HTTP keep alive instead is only relevant once both request and ...

#47. How to test keep-alive is working on client end - Server Fault

You could try ab -n 500 -c 5 -k http://www.domain.com/. and look via top, if 5 workers are constantly serving the requests keepalive should work (-k) switch ...

#48. HTTP长连接--Keep-Alive - 技术经验- W3xue

一、HTTP/1.0 HTTP1.0版本的Keep-alive并不像HTTP1.1那样是默认发送的，所以要想连接得到保持，必须手动配置发送connection：keep-alive字段。

#49. Learning about the HTTP “Connection: keep-alive” header

Keep -alive connections are enabled by default in HTTP/1.1 while not in HTTP/1.0. HTTP/1.0 was designed to close the connection after every ...

#50. HTTP headers | Keep-Alive - GeeksforGeeks

The Keep-Alive header is a general-type header. This header is used to hint at how the connection may be used to set a timeout and a maximum ...

#51. http keep-alive无效导致短连接的案例总结

经分析，是配置有误导致。 当前的配置示例（高度简化过）如下：. http { proxy_http_version 1.1; proxy_set_header Connection "Keep-Alive"; upstream ...

#52. Don't Give Up Yet… Keep-Alive! - DZone Performance

How Does HTTP Work? · DNS lookup is made (not in picture) · a new TCP connection is established, · the TLS handshake is performed, · request headers ...

#53. http 的keep-alive 机制（链接复用） | 码农家园

文章目录1:什么是http 的keep-alive 机制2：造成的问题：长时间不连接2.1：设置timeout造成的问题：NoHttpResponseException 1:什么是http ...

#54. Keep-Alive HTTP Header | Tune The Web

Keep -Alive is something that should be on by default on most web browsers. You can however tweak the settings if necessary. When Keep-Alive is ...

#55. Keep-Alive - Ryte Wiki - The Digital Marketing Wiki

Keep alive connections are also referred to as HTTP keep-alive, persistent HTTP connections, and HTTP connection reuse. The HTTP 1.1 protocol supports ...

#56. core - Apache HTTP Server Version 2.4

To enable Keep-Alive connections, set KeepAlive On . For HTTP/1.0 clients, Keep-Alive connections will only be used if they are specifically ...

#57. 两种由java http长连接(keep-alive)导致的问题 - 掘金

两种由http长连接(keep-alive)导致的问题，当然这两种问题都有多种原因导致，这里只分析针对keep-alive相关而产生的异常。 本质原因是服务端通过TCP ...

#58. HTTP keep-alive 和TCP keepalive 的区别，你了解吗？

如何得知这个TCP连接是健康且具有通讯能力的？ 1.2、HTTP协议简介. HTTP协议是Hyper Text Transfer Protocol（超文本传输协议）的缩写。HTTP是万维网的数据通信 ...

#59. HTTP Keep-Alive - KeyCDN Support

Keep -Alive is an HTTP header that allows for the connection between a browser and a server to stay open, allowing the transfer of multiple ...

#60. 2. TCP keepalive overview

The keepalive concept is very simple: when you set up a TCP connection, you associate a set of timers. Some of these timers deal with the keepalive procedure.

#61. What is HTTP keep-alive? What is HTTP request pipelining?

The HTTP “keep-alive” feature allows us to use the same TCP connection for multiple HTTP requests. The header Connection: keep-alive asks ...

#62. Was bedeutet Keep Alive? - Online Solutions Group

Dies kann zum Beispiel über einen HTTP-Header zwischen einem Client und einem Server geschehen. Keep Alives werden im Internet und in Netzwerkumgebungen ...

#63. MQTT Keep Alive Interval Explained With Examples - Steve's ...

The easiest method is to stop the loop which means that the client doesn't see the ping response from the server and the server will then ...

#64. Implement HTTP Keep-Alive without Killing your Apache Server

HTTP 1.1 considers every connection to be kept alive. If one doesn't want the connection to stay opened, the client or the server has to send the header: ...

#65. Lighthouse: Enable Keep-Alive - GTmetrix

This is a custom GTmetrix Lighthouse Audit. Learn more. For HTTP/1.1 requests, enabling Keep-Alive reduces latency and improves your page performance.

#66. Gorouter Back End Keep-Alive Connections - Cloud Foundry ...

For example, if a single Gorouter receives 1000 requests per second, and response time is 1 second, at any given time there are likely to be ...

#67. 【Golang】http keep alive参数设置 - TK-Xiong`s Blog

写golang服务的时候，http网关参数设置出了一点小问题。 先是后台反馈告知： keep alive 时长是不是太短了，经常断开。 我当前的配置是这样的：这里的时间 ...

#68. KeepAlive | The Backend Engineering Show - YouTube

#69. How to Enable Client Keep-Alive Mode of NetScaler Appliance

The Client Keep-Alive mode of the NetScaler appliance is similar to the Keep-Alive mode of the HTTP protocol. The Client Keep-Alive mode enables the ...

#70. Keep-Alive and HTTPS | Brian F Love

By default the HTTP connection is closed after each request has completed. Using the keep-alive connection header allows us to keep the ...

#71. Hypertext Transfer Protocol (HTTP) Keep-Alive Header - IETF ...

The Keep-Alive header is a hop-by-hop header that provides information about a persistent connection. Both client and server are able to provide information ...

#72. TCP Keep-Alive、心跳检测，傻傻分不清？ - 技术圈

聊技术，不止于技术大家都知道HTTP 1.0和HTTP 1.1的区别在于连接复用，表现在协议里就是HTTP 1.1的请求头中会多一个Connect.

#73. Keep-Alive Definition - TechTerms

Servers running HTTP/1 often have keep-alive turned on to improve website performance. The keep-alive header is not used in HTTP/2 since it is ...

#74. 聊聊HTTP协议的keep-alive

介绍HTTP 协议里的keep-alive机制和长连接协议的keep-alive机制有所不同，HTTP 中的作用是为了复用TCP 连接，而长连接中大多数作用是为了保活， ...

#75. TCP connection get reset when apps intend to reuse HTTP ...

GCP/Azure LB has 4 minutes idle timeout by default. Because the HTTP keep-alive connection gets dropped without TCP RST, client app regards it ...

#76. How to set up and tune HTTP keep alive in EAP 6 - Red Hat ...

I need to tune http keep alive on EAP 6. Environment. Red Hat JBoss Enterprise Application Platform (EAP). 6.x. Subscriber exclusive content.

#77. Stop Wasting Connections, Use HTTP Keep-Alive - Hacker ...

Better yet.. switch to http2 (where keep-alive is deprecated): ... In Apache bad nginx, keep-alive and http/2 parallel requests are handled ...

#78. HTTP keep-alive connection timeouts - Fastmail blog

Because of that we like to have a long HTTP keep-alive timeout on our connections. This makes interactive response nicer for users as moving ...

#79. Lambda optimization tip - enable HTTP keep-alive

js's default HTTP agent doesn't use keep-alive and therefore every request would incur the cost of setting up a new TCP connection. This is ...

#80. Enable Keep-Alive to speed up your website - GiftOfSpeed

Adjusting Apache settings · Apache config file (httpd.conf): · Note: When you can't find the http. · – KeepAlive: Set it to "KeepAlive on" to enable keep-alive. · – ...

#81. Python (23) – 讓requests保持keep-alive ＆ 利用requests.get抓 ...

來實測一下如何利用requests的Session來讓連線保持keep-alive，抓取的範例為政府資料 ... 可以看到透過session.get，只會起始一個Http Connection， ...

#82. Connection: close和keep-alive之间的区别 - 阿里云开发者社区

那么Connection: close和Connection: keep-alive有什么区别？ ... 压力，设置的过长，系统中就会堆积无用的Http连接，消耗掉大量内存，具体设置多少， ...

#83. How to Enable Keep Alive in Apache - Ubiq BI

Keep Alive header or HTTP persistent connection improves website speed and performance by using single TCP connection for multiple HTTP ...

#84. Stop Wasting Connections, Use HTTP Keep-Alive - Lob Blog

One of the best ways to minimize HTTP overhead is to reuse connections with HTTP Keep-Alive. This feature is commonly enabled by default for ...

#85. Keep-Alive Test Tool - TechNumero

The Keep-Alive Test tool checks whether keep-alive (persistent HTTP connection) is enabled on the server where the website is hosted.

#86. HTTP Keep Alive: velocizza il tuo hosting - Serverplan

Sai cos'è l'HTTP Keep Alive? Con questa funzione puoi migliorare il tuo hosting: ecco tutto quello che devi sapere per attivare questo ...

#87. Keep Alive Connection is not returned in response header by ...

I am working on a MVC framework. I am sending a request with a header "Connection = Keep-Alive" and the request is being processed and when i get a response , ...

#88. Talking about the keep alive mechanism in HTTP and the ...

HTTP persistent connection (also known as HTTP keep alive or HTTP connection reuse) is a way of using the same TCP connection to send and ...

#89. Stop Wasting Connections, Use HTTP Keep-Alive - Reddit

Funnily enough keep-alive is one of the most prominent reasons that http calls can bog down performance in .NET applications. Most .

#90. 「HTTP」の仕組みをおさらいしよう（その3） - ITmedia

Keep -Aliveの動作 ... HTTPの基本的な動作では、「リクエストのたびに接続を確立し、1つのレスポンスを返したら接続を切る」ということを繰り返します。

#91. Note regarding Keep Alive mechanism - Radware Support

However, Alteon responds to a client initiated keep-alive packets but ... In HTTP Requests to Servers, why is the Header Value Connection: ...

#92. Using TCP keepalive to Detect Network Errors - GNU ...

To detect network errors and signaling connection problems, you can enable TCP keep alive feature. It will increase signaling bandwidth used ...

#93. HTTPキープアライブ（パーシステントコネクション）とは

HTTP キープアライブ【パーシステントコネクション / HTTP Keep-Alive / persistent connection】とは、HTTPの拡張仕様の一つで、一つのTCP接続を一回 ...

#94. HTTP - Entêtes - Keep-Alive - Gladir.com

Keep -Alive: : Ce champ d'entête permet d'indiquer de quel manière doit être gérée la connexion et de quel manière celle-ci peut être ...

#95. HTTP Keep-alive - MSXFAQ

So wurde im HTTP-Header das Feld "Connection: keepalive" definiert, mit dem der Client dem Server sagen kann, dass die Verbindung nach der ...

#96. Setup HTTP keep-alive scheduled task - campuslogicinc

Setup HTTP keep-alive scheduled task Print · 1. Create a new file called "keepalive. · 2. Open the Windows Task Scheduler. · 3. Create a new task.

#97. tcp & http keep-alive 详解 - 或许未必不过

我们从TCP keepalive 这个名字就可以大概理解这个特性的作用： keep tcp alive 。我们可以通过检查我们的socket（TCP sockets） 来判断网络连接是不是正常 ...