Tomcat
Coldfusion 10 保持活動請求 = 0?
針對 .jsp 頁面 (Tomcat7) 和 .cfm 頁面 (Coldfusion10 Enterprise) 執行“ab”。ab 正確記錄了 .jsp 頁面的 keep-alive 結果,但沒有正確記錄 .cfm 頁面的結果。CF似乎不尊重保命?也許是一個設置?我用Google搜尋並查看了 CF 管理員無濟於事。
注意: .jsp 在單獨的 tomcat7 實例下執行。CF10 作為獨立伺服器安裝,帶有自己的下劃線 tomcat 伺服器。此時不關心“每秒請求數”,希望有人能幫助我理解為什麼 CF 的“Keep-Alive 請求”為 0?刷新時沒有計算內容長度?
(index.jsp) # ab -kn 1000 -c 10 http://127.0.0.1:8084/ Concurrency Level: 10 Time taken for tests: 0.094 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 **Keep-Alive requests: 995** Total transferred: 460975 bytes HTML transferred: 212000 bytes Requests per second: 10676.46 [#/sec] (mean) Time per request: 0.937 [ms] (mean) Time per request: 0.094 [ms] (mean, across all concurrent requests) Transfer rate: 4806.23 [Kbytes/sec] received (index.cfm) # ab -kn 1000 -c 10 http://127.0.0.1:8501/ Concurrency Level: 10 Time taken for tests: 0.395 seconds Complete requests: 1000 Failed requests: 0 Write errors: 0 **Keep-Alive requests: 0** Total transferred: 148148 bytes HTML transferred: 7007 bytes Requests per second: 2529.33 [#/sec] (mean) Time per request: 3.954 [ms] (mean) Time per request: 0.395 [ms] (mean, across all concurrent requests) Transfer rate: 365.93 [Kbytes/sec] received
索引.cfm
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Test</title> </head> <body> <h1><cfscript> WriteOutput("Hello CF."); </cfscript></h1> <!--- <h1><cfoutput>Hello CF.</cfoutput></h1> ---> </body> </html>
索引.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Test</title> </head> <body> <h1><% out.print("Hello JSP."); %></h1> </body> </html>
原來 CF 預設不計算 Content-Length 。修復是計算輸出長度並將其添加到 Application.cfc / onRequestEnd 下的 Content-Length 標頭中。
# Application.cfc # onRequestEnd <cfheader name="Content-Length" value="#len(getPageContext().getOut().getString())#" />
在覆蓋它之前先測試這個標題是否存在可能是明智的,但對於我的測試,它工作得很好。恕我直言,這應該是 CF 中的一個自動魔法功能,我想不出你不想計算 Content-Length 並將其添加為標題的原因。
一個很好的閱讀: http ://docstore.mik.ua/orelly/java-ent/servlet/ch05_03.htm