Re: Oracle/Solaris
From: Tanel Poder <tanel_at_tanelpoder.com>
Date: Thu, 15 Sep 2011 00:17:14 +0300
Message-ID: <CAMHX9JLQa7VB5FhdFSuooxAJmUqJ9g1zPqCob0eM=9dSGAW1bg_at_mail.gmail.com>
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_at_tanelpoder.com> wrote:
Date: Thu, 15 Sep 2011 00:17:14 +0300
Message-ID: <CAMHX9JLQa7VB5FhdFSuooxAJmUqJ9g1zPqCob0eM=9dSGAW1bg_at_mail.gmail.com>
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_at_tanelpoder.com> 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:
> http://blog.tanelpoder.com
> Expert Oracle Exadata book:
> http://www.apress.com/9781430233923
>
>
>
>
>
-- http://www.freelists.org/webpage/oracle-lReceived on Wed Sep 14 2011 - 16:17:14 CDT