Linode Vultr Move from vultr to linode caused a huge performance decrease

Code:

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

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Would love to learn about that.

 

Apparently the Linode London Gold CPU server was so new and freshly unpacked that certain distro images were not in stock.
Fixed by now.

Difficult to say and difficult to establish because you can not look at the host itself.
Every low end provider does overselling.

It is only the question of how far one and the other goes.
Without overselling you only could run around 40 single core,
VPS servers at 5$ per month per host (Dual CPU - 2 x 20 cores).

That is far too little and not profitable.
Given that only a single Linode CPU costs about $3000.
So that's around $6000 only for the CPU's per host.

There are however a few landmarks:

When you monitor your system well, you can come up with facts and report this to the provider. For example to force a transfer to another host.

 

I landed on one in Newark! From what I can tell in this specific location, if the host ID starts with h13**-cjj1 it will most likely have the newer Gold 6148 CPU.