-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Josep,
On 4/12/16 2:30 PM, Josep M Beleta wrote: > I need some help with a problem we have running Tomcat 8, with Java > 8 on a Windows 2008 R2 Standard with Service Pack 1 running as a > virtual machine on top of ESXi, 5.1.0. The virtual machine has 16 > GB of memory and 4 CPUs. The physical host computer has lots of > memory and is not stressed at all. > > One week ago our Tomcats, we have two, began to use high CPU. When > the problem started we had no made any change we can remember in > the preceding week, and no Windows update was installed. > > We use two Tomcats, one of them with some in-house applications > the other one with Jira. Both began to shows the same symptoms > roughly at the same time. > > The Jira Tomcat version is 8.0.17 and runs with Java 1.8.0_51 64 > Bit, the other Tomcat is 8.0.33 and runs over Java 1.8.0_77 64 Bit. > > > These are the facts we can summarize: > > 1. Now we run only the Tomcat for our in-house applications.We > stopped the Jira one. 2. We run it as a service. 3. Every time, two > hours after launching the Tomcat service, the CPU use jumps to > 70-75% and some time after (one hour more) it reaches 100 %. More > threads are allocated using lots of CPU. The final result is our > entire system being degraded as time goes on. 4. The problems has > nothing to do with our applications. We undeployed them with the > same result. So if you start Tomcat with no applications deployed and make no requests, Tomcat starts taking 75% of the CPU after 2 hours? Mark is right: we need to see those thread dumps. It looks like your second attempt also didn't work. Please try to re-attach them as plain text files. - -chris -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlcNQ2QACgkQ9CaO5/Lv0PDJTwCfWuiSiAqrb8hYw5YQLOxE52uX isIAnRpR9Vj2GZLjiCMr6+hnFbB7eEPb =/3nu -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
