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Linode Guessing Linode's next server cpus ?

Discussion in 'Virtual Private Server (VPS) hosting' started by eva2000, Aug 27, 2017.

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  1. eva2000

    eva2000 Administrator Staff Member

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    Bit bored so thought I'd guess what Linode's next server cpu update would be based on current E5-2680v3 and E5-2697v4 prices as they're the current generation of cpus used by Linode :)

    Intel Xeon Scalable cpus seem to be the logical option seeing as DigitalOcean's High CPU droplets went with Intel Xeon Platinum 8168s. So thought I'd see how they stack up for that price range Intel® Product Specification Comparison

    upload_2017-8-27_4-15-1.png

    With Xeon Platinum 8168 in compare Intel® Product Specification Comparison

    upload_2017-8-27_4-18-42.png

    Maybe Linode can go with Xeon Gold 6150 for clock speeds matching DigitalOcean's Platinum 8168 ? Intel® Product Specification Comparison :)

    upload_2017-8-27_4-21-40.png
     
    Last edited: Aug 27, 2017
  2. bassie

    bassie Active Member

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    Hard to say. They could upgrade to newer servers + newer CPU's as part of their Xen replace program.

    Fact is that the more different server hardware you've got. The more difficult to mange (knowledge and experience on specific server hardware, images, puppet-razor, spare parts etc). (Ideal situation is all servers the same hardware (just like Digital Ocean, data-center country based).

    Plus the more same servers you buy, the more discount you get.
     
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  3. eva2000

    eva2000 Administrator Staff Member

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    Yeah true, maybe Linode's stocked up massively for E5-2697v4 already :)
     
  4. bassie

    bassie Active Member

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    From the customer point of view my above text does not matter.
    It would be great to use E5-2697v4, but he it does not matter to me.
    Happy with the current servers right now.

    Linode is one of the best low-end VPS providers.
    But that's my opinion.
     
  5. eva2000

    eva2000 Administrator Staff Member

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    Yeah - for me it's about every bit of performance I can leverage from server hardware/cpus to the software stack itself i.e. Centmin Mod :D
     
  6. eva2000

    eva2000 Administrator Staff Member

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    so far @bassie and @jlchandler have reported Intel Xeon Gold 6148 scalable cpus in Linode London and Newark Linode - Vultr - Move from vultr to linode caused a huge performance decrease :) Looking back at first post in this thread last year, I did mention Xeon Gold 6148 as a likely candidate :D


    Code (Text):
    Architecture:          x86_64
    CPU op-mode(s):        32-bit, 64-bit
    Byte Order:            Little Endian
    CPU(s):                1
    On-line CPU(s) list:   0
    Thread(s) per core:    1
    Core(s) per socket:    1
    Socket(s):             1
    NUMA node(s):          1
    Vendor ID:             GenuineIntel
    CPU family:            6
    Model:                 85
    Model name:            Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz
    Stepping:              4
    CPU MHz:               2399.996
    BogoMIPS:              4801.99
    Virtualization:        VT-x
    Hypervisor vendor:     KVM
    Virtualization type:   full
    L1d cache:             32K
    L1i cache:             32K
    L2 cache:              4096K
    L3 cache:              16384K
    NUMA node0 CPU(s):     0
    Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon rep_good nopl xtopology cpuid pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single pti tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves arat pku ospke


    upload_2018-3-26_10-15-33.png
    upload_2018-3-26_10-15-44.png
    upload_2018-3-26_10-15-56.png
     
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  7. jlchandler

    jlchandler New Member

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    Well, I spun up another instance in Newark and got a AMD EPYC 7501 32-Core Processor. Here's what "cat /proc/cpuinfo" says...

    Code:
    processor    : 0
    vendor_id    : AuthenticAMD
    cpu family    : 23
    model        : 1
    model name    : AMD EPYC 7501 32-Core Processor
    stepping    : 2
    microcode    : 0x1000065
    cpu MHz        : 1999.992
    cache size    : 512 KB
    physical id    : 0
    siblings    : 1
    core id        : 0
    cpu cores    : 1
    apicid        : 0
    initial apicid    : 0
    fpu        : yes
    fpu_exception    : yes
    cpuid level    : 13
    wp        : yes
    flags        : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 arat
    bugs        : fxsave_leak sysret_ss_attrs null_seg spectre_v1 spectre_v2
    bogomips    : 4001.65
    TLB size    : 1024 4K pages
    clflush size    : 64
    cache_alignment    : 64
    address sizes    : 40 bits physical, 48 bits virtual
    power management:
     
    Last edited: Mar 29, 2018
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  8. eva2000

    eva2000 Administrator Staff Member

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    woah... AMD EPYC 7501 :eek::D:cool: That's bloody awesome and makes sense from my limited AMD EPYC 7401P tests, you really need to be on 4.15+ Linux Kernels for AMD EPYC proper performance and Linode uses 4.15+ Kernels by default. And also explains the recent surge in Linode 4.15 kernels being released more frequently Available Linux Kernels - Linode :)

    AMD EPYC™ 7501 | AMD

    upload_2018-3-29_13-59-37.png

    Dual AMD EPYC 7501 = 64 cpu cores and 128 cpu thread goodness !
     
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  9. jlchandler

    jlchandler New Member

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    How does this AMD EPYC 7501 compare to the Intel Gold 6148 that's also been spotted?
     
  10. eva2000

    eva2000 Administrator Staff Member

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    For anything that depends on cpu clock speed i.e. source compiling, then Intel Xeon Gold 6148 Scalable cpu with 20 cores/40 threads all core turbo boost @ 3.10Ghz and thus will be faster than AMD EPYC 7501 with is 32 core/64 threads all core turbo boost @ 2.60Ghz. Will be interesting to see how AMD EPYC 7501 compares to Linode's Xeon E5-2697v4 which is 18C/36T with turbo boost all cores @ 2.80Ghz.

    Another factor is memory bandwidth available for stuff like Nginx proxy_cache, PHP-FPM fastcgi_cache, Redis & Memcached servers, Varnish Cache etc. Also CPU's cpu caches i.e. L3 Cache speed and size.

    But in VPS host node environment, you're not running your VPS in isolation but shared with other VPS neighbours, so how many cpu cores/threads are engaged collectively on the whole VPS host node will determine what average clock speed would be ??? Would need to know the turbo boost speeds of each cpu when not all cpu core/threads are engaged too.

    For example Intel Xeon Gold 6148 as all 20 core turbo boost @ 3.10Ghz but if only 12 cores engaged turbo boost is @ 3.40Ghz. According to EPYC 7501 - AMD - WikiChip, AMD EPYC 7501 turbo boost profiles are as follows - so 12 core turbo boost is @ 3.0Ghz while 13-32 cores is @ 2.60Ghz.
    Intel Xeon E5-2697v4 all 18 core turbo boost is at 2.80Ghz but according to Xeon E5-2697 v4 - Intel - WikiChip, 6 cores at 3.10Ghz, 8 cores at 2.9Ghz and 12 cores at 2.80Ghz
     
    Last edited: Mar 29, 2018
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  11. eva2000

    eva2000 Administrator Staff Member

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  12. eva2000

    eva2000 Administrator Staff Member

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    Asked Linode about new processors on their new forums Intel Xeon Gold 6148 & AMD EPYC 7501 Announcements ? | Linode Questions

     
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  13. jlchandler

    jlchandler New Member

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    Interesting. I wonder if it will be a part of their typical June announcements? Also, for what it's worth, I haven't seen anymore of the new Intel Gold's or EPYC's. I wonder if they just threw them on a host or two for testing purposes.
     
  14. eva2000

    eva2000 Administrator Staff Member

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    Yeah they're probably testing the waters as I haven't been able to find any newly spun up Linodes with the newer cpus so far :(
     
  15. eva2000

    eva2000 Administrator Staff Member

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    maybe Linode will need to roll out more AMD EPYC cpus due to Spectre-NG Security - Intel Processor Flaw 'kernel memory leaking' [Spectre & Meltdown]
     
  16. jlchandler

    jlchandler New Member

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    I just spun up a new instance in Dallas and got an AMD EPYC 7451 24-Core Processor. Here's what "cat /proc/cpuinfo" says...

    Code:
    processor    : 0
    vendor_id    : AuthenticAMD
    cpu family    : 23
    model        : 1
    model name    : AMD EPYC 7451 24-Core Processor
    stepping    : 2
    microcode    : 0x1000065
    cpu MHz        : 2299.994
    cache size    : 512 KB
    physical id    : 0
    siblings    : 1
    core id        : 0
    cpu cores    : 1
    apicid        : 0
    initial apicid    : 0
    fpu        : yes
    fpu_exception    : yes
    cpuid level    : 13
    wp        : yes
    flags        : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 ibpb arat
    bugs        : fxsave_leak sysret_ss_attrs null_seg spectre_v1 spectre_v2
    bogomips    : 4601.65
    TLB size    : 1024 4K pages
    clflush size    : 64
    cache_alignment    : 64
    address sizes    : 40 bits physical, 48 bits virtual
    power management:
     
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  17. eva2000

    eva2000 Administrator Staff Member

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..