Date: Wed, 5 Aug 2015 11:24:51 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Jason Low <jason.low2@hp.com>
Cc: Ingo Molnar <mingo@kernel.org>, linux-kernel@vger.kernel.org,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Oleg Nesterov <oleg@redhat.com>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Davidlohr Bueso <dave@stgolabs.net>,
        Mike Galbraith <umgwanakikbuti@gmail.com>, terry.rudd@hp.com,
        Rik van Riel <riel@redhat.com>, Waiman Long <Waiman.Long@hp.com>,
        Scott J Norton <scott.norton@hp.com>
Subject: Re: [RFC PATCH] timer: Improve itimers scalability
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On Tue, Aug 04, 2015 at 05:29:44PM -0700, Jason Low wrote:
> When running a database workload on a 16 socket machine, there were
> scalability issues related to itimers.

I very much hope you're also trying to convince the relevant database
people that using process wide timers on something they expect to scale
is a horrendously stupid idea?


Nothing obviously broken stood out, but *shees* :-)
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