Hmm, I can't seem to post longer email to the list. Here's a link to my last post:
http://pastie.org/private/2c4lrjuj4oybdtzmj4gbzw On Mar 18, 2010, at 15:33:08, Rick Mann wrote: > I replied with the thread dump, but don't see it appearing in the list. Seems > like the list server is flaky. > > On Mar 18, 2010, at 14:37:25, Scott Ferguson wrote: > >> Rick Mann wrote: >>> Slower is subjective. Unfortunately, I can't currently run the old server >>> to actually measure times, but it's just slowwwww. I can see individual >>> requests (images, CSS, etc) taking a long time to be fulfilled, whereas >>> before, the pages would just come up fully rendered. Time to first render >>> is longer, too. >>> >> "finer" logging might show the issue, but there's a good chance it's >> related to the connection issue. >>> I left the server running late last night, tried to make requests of it >>> this morning, but I just got "server not responding" errors in the browser. >>> Mind you, these were not timeouts, but actual connection refusals. >>> >> Thanks. Refusing connections is a more helpful description. >> >> If possible, can you get a thread dump in that situation? There are a >> couple of possible scenarios: >> >> 1. After a while, Resin no longer has a thread listening for an >> accept(). (for example, if it doesn't properly spawn a new thread.) >> 2. The JVM is truly frozen. >> >> It is possible, by the way, that the older Linux is having trouble with >> the threading. They made huge improvements in the kernel's threading >> after the version you're using. >>> logs show nothing with this config: >>> >>> >>> <logger name="com.caucho.servlets" level="warning"/> >>> <logger name="" level="warning"/> >>> >> Ok, although, the "warning" level would only show pretty serious issues. >>> So, that's an interesting and scary thought. However, I'm not using Resin >>> Professional, so I thought I didn't get native sockes. >>> >> Ok. That's one less variable. The main issue is the connection failures. >> That could cause your slowness as well. For example, if only one thread >> is listening for connections for some reason, the server would appear to >> be very slow. >> >> -- Scott >>> >>>>> root 20511 0.0 5.1 226964 26396 pts/2 S 10:54 0:00 >>>>> /usr/java/bin/java -jar /usr/local/resin/lib/resin.jar -conf >>>>> /var/resin/resin.xml -log-directory /var/logs/resin -root-directory >>>>> /var/resin/root -J-verbosegc console >>>>> >>>>> root 20517 0.0 6.8 450916 35108 pts/2 S 10:54 0:00 >>>>> /usr/local/java-versions/jdk1.6.0_07/bin/java -server >>>>> -Djava.awt.headless=true -Dfile.encoding=utf-8 -Dresin.server=1 >>>>> -Djava.util.logging.manager=com.caucho.log.LogManagerImpl >>>>> -Djava.system.class.loader=com.caucho.loader.SystemClassLoader >>>>> -Djavax.management.builder.initial=com.caucho.jmx.MBeanServerBuilderImpl >>>>> -Djava.awt.headless=true -Dresin.home=/usr/local/resin/ -Xss1m -Xmx256m >>>>> -verbosegc -verbosegc com.caucho.server.resin.Resin --root-directory >>>>> /var/resin/root -conf /var/resin/resin.xml -socketwait 34280 >>>>> -log-directory /var/logs/resin -root-directory /var/resin/root console >>>>> >>>>> >>>>> I can't find where the -Xss1m and -Xmx256m are being set. According to >>>>> the admin manual, it should default to -Xss2m. >>>>> >>>>> >>>> You can change that in the resin.xml with a <jvm-arg>-Xss1m</jvm-arg>. >>>> >>> >>> I used to have exactly those values specified in resin.xml, and thought >>> perhaps that was part of the problem, so I commented them out (to let the >>> JVM and resin pick defaults). I was still seeing those in the command, >>> though, and didn't know where they were coming from. That was something I >>> had not been specifying in my 3.0.23 installation, and so I thought they >>> were causing more problems than they were solving. >>> >>> >>> >>> >>> >>> _______________________________________________ >>> resin-interest mailing list >>> resin-interest@caucho.com >>> http://maillist.caucho.com/mailman/listinfo/resin-interest >>> >>> >> >> >> >> _______________________________________________ >> resin-interest mailing list >> resin-interest@caucho.com >> http://maillist.caucho.com/mailman/listinfo/resin-interest > > > > _______________________________________________ > resin-interest mailing list > resin-interest@caucho.com > http://maillist.caucho.com/mailman/listinfo/resin-interest _______________________________________________ resin-interest mailing list resin-interest@caucho.com http://maillist.caucho.com/mailman/listinfo/resin-interest
