On Fri, Nov 16, 2007 at 06:29:45AM -0800, Paul van den Bogaard wrote:
> Result: had to reboot my T2000 by using the system console and powering it 
> off and on again after waiting for more than 12 hours to see if it came back.

That's quite surprising -- and distressing. Did you get a dump? Do you have
any more data from which we might be able to debug the problem?

> Sure too many probes enabled. However this result is lets say "surprising". 
> Indeed very dangerous since database can be used in production environments. 
> In my view this is not good.

That doesn't sound like too many probes enabled at all. We've enabled millions
of probes without incident.

> dtrace -x dynvarsize=64m -x cleanrate=203 -qs lw.d    >LW/lw.out
> dtrace: failed to compile script lw.d: line 374: failed to grab process 14510

This may be that you're hitting the file descriptor limit. Try taking a look
with truss on the dtrace(1M) process.

> Questions: how do I make this workable. Meaning  speedier in startup.  
> Without reducing my attention to just one or two processes.

We'd need to figure out where the system is spending its time -- DTrace is
a great place to start.

> Question: why is my system so unresponsive (I waited more that 12 hours to 
> see if it came back) forcing me to power off/on to get it alive and kicking 
> again?

Let's work offline to try to sort this out.

> And please note that we are planning to add many, many more probes in PG 
> source. However if  the above is the result I fear great fears ...

You're not enabling that many probes; I don't think that's the cause of
either problem.

Adam

-- 
Adam Leventhal, FishWorks                        http://blogs.sun.com/ahl
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