migrate to worker or event... if you have to stick with prefork mpm, increase the number of MinSpareServers to a very high number, prefork is very slow spawning new children since it is not threaded, so better spawn most when apache starts.
El lun., 16 nov. 2015 a las 20:58, o haya (<oh...@yahoo.com.invalid>) escribió: > Hi, > > I am trying to do some load testing of Apache 2.4 on Redhat. > > Configuration displayed when I run "httpd -V" shows: > > Server MPM: prefork > threaded: no > forked: yes (variable process count) > > I am using Jmeter to test, and when I increase the number of simultaneous > threads to > 200, I am seeing increasing number of errors, with a lot of > "connection refused" errors, e.g.: > > org.apache.http.conn.HttpHostConnectException: Connection to > http://10.0.3.10:80 refused > at > org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:190) > at > org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:294) > at > org.apache.jmeter.protocol.http.sampler.MeasuringConnectionManager$MeasuredConnection.open(MeasuringConnectionManager.java:107) > at > org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:643) > at > org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479) > at > org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906) > at > org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805) > at > org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.executeRequest(HTTPHC4Impl.java:517) > at > org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:331) > at > org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:74) > at > org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1146) > at > org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1135) > at > org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:434) > at > org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:261) > at java.lang.Thread.run(Unknown Source) > Caused by: java.net.ConnectException: Connection timed out: connect > at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) > at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) > at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) > at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown > Source) > at java.net.AbstractPlainSocketImpl.connect(Unknown Source) > at java.net.PlainSocketImpl.connect(Unknown Source) > at java.net.SocksSocketImpl.connect(Unknown Source) > at java.net.Socket.connect(Unknown Source) > at > org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:127) > at > org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180) > ... 14 more > > > I've been trying to re-configure the Apache to avoid these errors, e.g., > increasing "MaxClients", and I've also increased the amount of memory for > the machine (to 4GB) but so far, nothing I have done has improved the > situation. > > Is there something else that I can do to try to get the Apache so that it > can accept the larger number of connections? > > Thanks, > Jim > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > For additional commands, e-mail: users-h...@httpd.apache.org > >
