On 30 Sep 2011, at 21:43, Maidak Alexander J wrote:
> I have a T5240 running Solaris 10u9 (144488-07) and using java "1.6.0_23".
> Doing a simple “/bin/java –version” is terribly slow and and takes many
> seconds (12-30+). Looking at the startup with truss I see, it hang for many
> seconds on:
>
> open64("/dev/dtrace/helper", O_RDWR) = 3
>
> If I “export DTRACE_DOF_INIT_DISABLE=1” before running “/bin/java –version”
> the command takes less then 1 second. I assume this disables the dtrace
> helper program from loading/linking with java. I’m stumped as to why dtrace
> would be causing a performance slowdown in this situation. I have other
> similarly configured T5240’s running the exact same Solaris and Java
> releases, but they’re not exhibiting the same issue. Any advice as to what
> might be causing this issue would be much appreciated.
Can you post a snippet of 'truss -d' output surrounding the
open64()?
R
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