Date: Sun, 26 Jul 2020 11:01:48 -0500 From: Valeri Galtsev <galtsev@kicp.uchicago.edu> To: freebsd-questions@freebsd.org Subject: Re: Ask stupid questions and you'll get a stupid answers, was: Technological advantages over Linux Message-ID: <e08b0cd5-310b-038a-857b-6cc2a8935320@kicp.uchicago.edu> In-Reply-To: <7290c25a-aaf3-b864-0ed8-ec9558777681@kicp.uchicago.edu> References: <CAEJNuHxC7i%2Bq7cq65=my6mJZDdiK4gpQsKjMU1nvsm=Ri4On%2Bg@mail.gmail.com> <ce61b5e9-b71c-e5b7-c64d-f79884c87435@watters.ws> <20200725152412.GJ92589@admin.sibptus.ru> <CAGBxaX=Ktr-pqtT8FU37ajkYonVLYT_WhSenn23Tj5b=i0d-8g@mail.gmail.com> <20200725162403.GA4721@admin.sibptus.ru> <CAGBxaXmBZcCWqAZFR9OSyRGrqGFU%2BqCAZ8CfOi=0oXAmf-2=tA@mail.gmail.com> <20200725182554.deffc63058a7c9f6d343ef06@sohara.org> <04df312d-9b2b-1873-2117-79a49e089bd9@kicp.uchicago.edu> <20200726063256.GA22924@admin.sibptus.ru> <20200726093909.ee5e14e643d31da4dad5c804@sohara.org> <20200726151835.GA35966@admin.sibptus.ru> <27ca8c6c-6b06-6ad4-7af0-2b88f51a3856@kicp.uchicago.edu> <20200726165212.a0ac28ce104b9dfd009cc4c5@sohara.org> <7290c25a-aaf3-b864-0ed8-ec9558777681@kicp.uchicago.edu>
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On 7/26/20 10:56 AM, Valeri Galtsev wrote: > > > On 7/26/20 10:52 AM, Steve O'Hara-Smith wrote: >> On Sun, 26 Jul 2020 10:39:16 -0500 >> Valeri Galtsev <galtsev@kicp.uchicago.edu> wrote: >> >>> My understanding of Linux OOM killer lies along same lines though my >>> understanding is much more simplified: kill minimal number of processes >>> to recover maximum amount of resources. >> >> Not always the right thing to do though. >> >>> Another speculative way to say >>> it would be: process owning maximum amount of RAM that keeps allocating >>> more RAM is first candidate. >> >> What a pity if that is the heavy weight analytic program that has a >> run time of several hours/days and is the only thing that matters running >> on the system. >> > > And yes, I agreed with your sentiments (or judgement): killing a process > is a bad thing always. Agreed before writing any of my comments. > Even though that heavy weight program that runs for multiple days must have been saving checkpoints which you can restart it from, so you only loose time from last checkpoint, I still agree with you: killing anything is a bad thing to do. Valeri > Valeri > -- ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++
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