100% cpu usage on CentOS/RHEL 6
mthornton at optrak.com
Mon Jul 2 14:02:14 UTC 2012
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:
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