After upgrade RHEL server in RHN, we observe intermittent slowness on our application deployed on JBoss EAP

Solution In Progress - Updated -

Issue

After we upgraded our RHEL 6 to the latest version, we can observe intermittent slowness on our application which is deployed on JBoss EAP. When I visit the server with direct IP address, sometimes it takes up to 5 minutes to load a page. But the CPU utilization is quite low as we observed.

Here is the yum update log:

Jan 12 08:32:51 Updated: libipa_hbac-1.9.2-129.el6_5.4.x86_64
Jan 12 08:32:52 Updated: nss-3.15.3-3.el6_5.x86_64
Jan 12 08:32:52 Updated: nss-sysinit-3.15.3-3.el6_5.x86_64
Jan 12 08:32:52 Updated: libsss_idmap-1.9.2-129.el6_5.4.x86_64
Jan 12 08:32:54 Updated: ca-certificates-2013.1.95-65.1.el6_5.noarch
Jan 12 08:32:57 Updated: kernel-firmware-2.6.32-431.3.1.el6.noarch
Jan 12 08:33:07 Installed: kernel-2.6.32-431.3.1.el6.x86_64
Jan 12 08:33:07 Updated: systemtap-runtime-2.3-4.el6_5.x86_64
Jan 12 08:33:16 Installed: kernel-devel-2.6.32-431.3.1.el6.x86_64
Jan 12 08:33:17 Updated: systemtap-devel-2.3-4.el6_5.x86_64
Jan 12 08:33:20 Updated: systemtap-client-2.3-4.el6_5.x86_64
Jan 12 08:33:20 Updated: sssd-client-1.9.2-129.el6_5.4.x86_64
Jan 12 08:33:22 Updated: sssd-1.9.2-129.el6_5.4.x86_64
Jan 12 08:33:22 Updated: systemtap-2.3-4.el6_5.x86_64
Jan 12 08:33:23 Updated: openssl-1.0.1e-16.el6_5.4.x86_64
Jan 12 08:33:23 Updated: nss-tools-3.15.3-3.el6_5.x86_64
Jan 12 08:33:23 Updated: libipa_hbac-python-1.9.2-129.el6_5.4.x86_64
Jan 12 08:33:23 Updated: pixman-0.26.2-5.1.el6_5.x86_64
Jan 12 08:33:23 Updated: 2:ethtool-3.5-1.2.el6_5.x86_64
Jan 12 08:33:23 Updated: openjpeg-libs-1.3-10.el6_5.x86_64
Jan 12 08:33:25 Updated: tzdata-2013i-1.el6.noarch
Jan 12 08:33:26 Updated: perf-2.6.32-431.3.1.el6.x86_64
Jan 12 08:33:26 Updated: libXfont-1.4.5-3.el6_5.x86_64
Jan 12 08:33:26 Updated: yum-3.2.29-43.el6_5.noarch
Jan 12 08:33:26 Updated: libsss_autofs-1.9.2-129.el6_5.4.x86_64
Jan 12 08:33:28 Updated: kernel-headers-2.6.32-431.3.1.el6.x86_64
Jan 12 08:33:28 Updated: tzdata-java-2013i-1.el6.noarch

Environment

  • Red Hat Enterprise Linux
    • 6.x
  • Red Hat JBoss Enterprise Application Platform
    • 5.x

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