Re: Linux/PostgreSQL scalability issue - problem with 8 cores - Mailing list pgsql-performance

From David Boreham
Subject Re: Linux/PostgreSQL scalability issue - problem with 8 cores
Date
Msg-id 477E9D2C.5070707@boreham.org
Whole thread Raw
In response to Re: Linux/PostgreSQL scalability issue - problem with 8 cores  (James Mansion <james@mansionfamily.plus.com>)
List pgsql-performance
James Mansion wrote:
> Jakub Ouhrabka wrote:
>> How can we diagnose what is happening during the peaks?
> Can you try forcing a core from a bunch of the busy processes?  (Hmm -
> does Linux have an equivalent to the useful Solaris pstacks?)
There's a 'pstack' for Linux, shipped at least in Red Hat distributions
(and possibly others,
I'm not sure). It's a shell script wrapper around gdb, so easily ported
to any Linux.



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