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Date:      Wed, 22 Oct 2014 12:29:50 +0400
From:      =?UTF-8?B?0JTQvNC40YLRgNC40Lkg0JzQvtGB0YLQvtCy0YnQuNC60L7Qsg==?= <dmadm2008@gmail.com>
To:        freebsd-arch@freebsd.org
Subject:   PowerPC G5 missed system cache
Message-ID:  <CAHwmPKTo1U-ACaq6y-6Q441FUqvAwUbUOpS_8K_cjCFArpXzNw@mail.gmail.com>

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Hi,

I am running FreeBSD-10.0-RELEASE on powerpc64 architecture with two G5
CPUs and zfs as root file system (if it has a meaning). The server is
running zabbix server with PostgreSQL database and gather metrics from
about twenty servers.
I am not familiar too much with this arch and I have faced with following
issue - I don't see system cache. Neither top utility, nor sysctl shows any
cache size. A top utility just doesn't show this option at all and sysctl
shows vm.stats.vm.v_cache_count=3D0. A kernel and a world were built with
default configuration because binaries weren't found at the official sites.
My knowledge in ppc are weak and probably missed cache it's a feature of
this arch. Any attempts to open web interface of zabbix are led to high
amount of reading operations. That's why I am worried about memory caching.
Can anyone give some explanation of the issue (missed cache) or a link
where a can get information for that.

Thank you in advance

--=20
=D0=A1 =D0=BD=D0=B0=D0=B8=D0=BB=D1=83=D1=87=D1=88=D0=B8=D0=BC=D0=B8 =D0=BF=
=D0=BE=D0=B6=D0=B5=D0=BB=D0=B0=D0=BD=D0=B8=D1=8F=D0=BC=D0=B8,
=D0=94=D0=BC=D0=B8=D1=82=D1=80=D0=B8=D0=B9 =D0=9C=D0=BE=D1=81=D1=82=D0=BE=
=D0=B2=D1=89=D0=B8=D0=BA=D0=BE=D0=B2
Email: dmadm2008@gmail.com
---
With best regards,
Dmitriy Mostovschikov
Email: dmadm2008 at gmail dot com



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