linux-kernel - Re: 3TB memory and high system load 80%+

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Message-ID: <378701aef7accafcf7e9c2ac9194c8eb.squirrel@shrek.krogh.cc>
Date:	Fri, 13 Mar 2015 17:38:16 +0100
From:	jesper@...gh.cc
To:	jesper@...gh.cc
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 3TB memory and high system load 80%+

> Hi.
>
> We have severe issues getting a Intel(R) Xeon(R) CPU E7-8857 v2 @ 3.00GHz
> 48 cores server to perform nice.

And report from /proc/meminfo for information.

MemTotal:       3170751320 kB
MemFree:        63618844 kB
Buffers:           86516 kB
Cached:         3008212376 kB
SwapCached:        10580 kB
Active:         1505073644 kB
Inactive:       1519315464 kB
Active(anon):   81790172 kB
Inactive(anon): 37529224 kB
Active(file):   1423283472 kB
Inactive(file): 1481786240 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:      25353212 kB
SwapFree:       25322920 kB
Dirty:            692516 kB
Writeback:         16240 kB
AnonPages:      16089320 kB
Mapped:         103249328 kB
Shmem:          103223396 kB
Slab:           56838096 kB
SReclaimable:   56180796 kB
SUnreclaim:       657300 kB
KernelStack:       11648 kB
PageTables:      6457128 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    1610728872 kB
Committed_AS:   125042076 kB
VmallocTotal:   34359738367 kB
VmallocUsed:     6623252 kB
VmallocChunk:   31937036164 kB
HardwareCorrupted:     0 kB
AnonHugePages:      8192 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:      590528 kB
DirectMap2M:    117852160 kB
DirectMap1G:    3102736384 kB



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