Re: Oracle/Solaris

  • From: Sanjay Mishra <smishra_97@xxxxxxxxx>
  • To: "tanel@xxxxxxxxxxxxxx" <tanel@xxxxxxxxxxxxxx>
  • Date: Wed, 21 Sep 2011 07:03:02 -0700 (PDT)

Thanks Tanel. I was out and so will now check and update 

From: Tanel Poder <tanel@xxxxxxxxxxxxxx>
To: smishra_97@xxxxxxxxx
Cc: "rodd.holman@xxxxxxxxx" <rodd.holman@xxxxxxxxx>; "oracle-l@xxxxxxxxxxxxx" 
Sent: Wednesday, September 14, 2011 5:17 PM
Subject: Re: Oracle/Solaris

And don't forget to run iostat -xn to make sure that it's just not some
storage/IO hang (even tools like top might read/load stuff from disk if they
haven't been used for a while)
On Thu, Sep 15, 2011 at 12:15 AM, Tanel Poder <tanel@xxxxxxxxxxxxxx> wrote:

> Try to truss your ls -ltr or other commands which get stuck - if you get
> stuck in a system call, this should show it (of course the truss itself may
> take a while to get started).
> Top would open up lots of /proc filesystem files, so you may have a file
> descriptor allocation issue ... or some bug related to OS spinlock
> contention (mpstat would show increase in smtx column)
> --
> Tanel Poder
> Consulting, Training:
> Expert Oracle Exadata book:



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