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Date:      Wed, 17 Feb 2016 18:07:55 -0500
From:      Brandon Allbery <allbery.b@gmail.com>
To:        hiren panchasara <hiren@strugglingcoder.info>
Cc:        "Efra?n D?ctor" <efraindector@motumweb.com>, owner-freebsd-stable@freebsd.org,  "stable@freebsd.org" <stable@freebsd.org>
Subject:   Re: intr using Swap
Message-ID:  <CAKFCL4VQw5mFw5CEAVY5A-Yh8NYEDWAMR=ici53oDT7%2BJbi9Sg@mail.gmail.com>
In-Reply-To: <20160217230138.GJ89208@strugglingcoder.info>
References:  <56C4AF81.3040202@motumweb.com> <87f6fb602e0ad11b7600c70a08d74c30@dweimer.net> <56C4C244.8070805@motumweb.com> <d6b6f3959b51a4ba3b8ab86de5931ae2@dweimer.net> <56C4F7E9.9090405@motumweb.com> <20160217230138.GJ89208@strugglingcoder.info>

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On Wed, Feb 17, 2016 at 6:01 PM, hiren panchasara <
hiren@strugglingcoder.info> wrote:

> Yes, I've seen this too. Inact end up accumulating a very large chunk of
> memory leaving Free to very low.
>
> What VM/pagedaemon seems to care about is Free+Cache and not just Free.
> I kind of get that Free mem is wasted mem but putting everything in Inact
> to the point that machine has to go into swap when a sudden need arises
> also doesn't seem right.
>

If the file cache is "hot" but some working storage that was used at boot
and will never be touched again is lying around (or, perhaps, that getty
listening on a virtual console you never use), it makes perfect sense to
push that out to swap.

"Swap in use" does not mean "memory management problems".

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b@gmail.com                                  ballbery@sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net



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