答复: 100% cpu usage on CentOS/RHEL 6
xieliang at xiaomi.com
Tue Jul 3 11:24:13 UTC 2012
May be you can have an eye on here : https://lkml.org/lkml/2012/7/1/27 :)
发件人: discuss-bounces at openjdk.java.net [discuss-bounces at openjdk.java.net] 代表 Amol Kulkarni [amolk112k at gmail.com]
发送时间: 2012年7月3日 19:02
到: Mark Thornton
Cc: discuss at openjdk.java.net
主题: Re: 100% cpu usage on CentOS/RHEL 6
>From the symptoms, it looks like the same bug to me too.
I'll check whether it is solved in CentOS/RHEL 6 kernels.
On Mon, Jul 2, 2012 at 7:32 PM, Mark Thornton <mthornton at optrak.com> wrote:
> On 02/07/12 14:45, Amol Kulkarni wrote:
> I have a java app running on CentOS 6.0. It always runs in background via
> cron. Sometimes this app goes into wait state while using 100% cpu.
> My java version is :
> java version "1.6.0_17"
> OpenJDK Runtime Environment (IcedTea6 1.7.4) (rhel-1.21.b17.el6-x86_64)
> OpenJDK 64-Bit Server VM (build 14.0-b16, mixed mode)
> Other symptoms are :
> a. One thread of the process seems to be in a loop waiting for something.
> When traced using strace, it shows following o/p continuously :
> futex(0x7fb8000ac728, FUTEX_WAKE_PRIVATE, 1) = 0
> futex(0x7fb8000ac754, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME,
> Could it be related to this:
> Mark Thornton
More information about the discuss