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tomcat并发设置 tomcat
    <!--The connectors can use a shared executor, you can define one or more named thread pools-->
    
    <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
        maxThreads="1000" minSpareThreads="300"/>



    <!-- A "Connector" represents an endpoint by which requests are received
         and responses are returned. Documentation at :
         Java HTTP Connector: /docs/config/http.html (blocking & non-blocking)
         Java AJP  Connector: /docs/config/ajp.html
         APR (HTTP/AJP) Connector: /docs/apr.html
         org.apache.coyote.http11.Http11Protocol - blocking Java connector
         org.apache.coyote.http11.Http11NioProtocol - non blocking Java connector
         org.apache.coyote.http11.Http11Nio2Protocol - non blocking Java connector
         org.apache.coyote.http11.Http11AprProtocol - the APR/native connector.
         Define a non-SSL HTTP/1.1 Connector on port 8080
    -->
    <Connector port="8080" 
			   protocol="org.apache.coyote.http11.Http11NioProtocol" 
	           maxHttpHeaderSize="8192" 
			   useBodyEncodingForURI="true"
               maxThreads="1000" 
			   minSpareThreads="25" 			
               enableLookups="false" 
			   redirectPort="8443" 
			   acceptCount="100"
               compression="on" 
			   compressionMinSize="2048" 
			   compressableMimeType="text/html,text/xml,text/javascript,text/css,text/plain"
               connectionTimeout="20000" 
			   disableUploadTimeout="true" 
			   URIEncoding="UTF-8"/>
	
    <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol" maxThreads="5" SSLEnabled="true"
			clientAuth="false" keystoreFile="conf/keystore/.keystore" keystorePass="changeit" scheme="https" secure="true"
			sslProtocol="TLS" truststoreFile="conf/trusts/cacerts" />


set "JAVA_OPTS=-Xmx1536m -Xms1536m -Xmn200m -XX:PermSize=256m -XX:MaxPermSize=256m -Xverify:none -Xnoclassgc -XX:+DisableExplicitGC -XX:+UseCompressedOops -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=85"

set "JAVA_OPTS=-Xmx3100m -Xms3100m -Xmn400m -XX:PermSize=256m -XX:MaxPermSize=256m -Xverify:none -Xnoclassgc -XX:+DisableExplicitGC -XX:+UseCompressedOops -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=85"


C:\Java\Apache\bin>ab -n 1000 -c 1000 http://localhost:8080/
This is ApacheBench, Version 2.3 <$Revision: 1554214 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests


Server Software:        Apache-Coyote/1.1
Server Hostname:        localhost
Server Port:            8080

Document Path:          /
Document Length:        11430 bytes

Concurrency Level:      1000
Time taken for tests:   3.310 seconds
Complete requests:      1000
Failed requests:        0
Total transferred:      11594000 bytes
HTML transferred:       11430000 bytes
Requests per second:    302.10 [#/sec] (mean)
Time per request:       3310.189 [ms] (mean)
Time per request:       3.310 [ms] (mean, across all concurrent requests)
Transfer rate:          3420.43 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    1  17.4      0     537
Processing:  1603 2222 303.8   2381    2629
Waiting:      181 1600 480.0   1424    2461
Total:       1603 2224 303.9   2382    2630

Percentage of the requests served within a certain time (ms)
  50%   2382
  66%   2450
  75%   2533
  80%   2552
  90%   2586
  95%   2604
  98%   2622
  99%   2626
 100%   2630 (longest request)


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