[Crash-utility] Threaded crash tool? Is it time?

Bryn M. Reeves bmr at redhat.com
Fri Apr 12 09:04:26 UTC 2013


On 04/12/2013 01:24 AM, James Washer wrote:
> Machines are getting ever bigger. I routinely look at crash dumps from
> systems with 2TB  or more of memory. I'm finding I'm wasting too much
> time waiting on crash to complete a command. For example "kmem -s" took
> close to an hour on the dump I'm looking at now.

Most of the hosts where I run crash on large cores are IO bound rather 
than compute bound when examining files in the 100s of GB - TB range.

I'm not sure that just throwing in some parallelism would do much to 
affect the performance.

Regards,
Bryn.





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