---> uname -a: Linux ca8a4cf77eb6 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.442 BogoMIPS: 5866.88 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.0G 43.0G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-490@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-490 ---> free -m: total used free shared buff/cache available Mem: 1837 672 127 0 1037 1058 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/16/20 _x86_64_ (4 CPU) 09:01:04 LINUX RESTART (4 CPU) 09:02:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:03:01 31.26 12.15 19.11 0.00 4606.39 3332.57 0.00 09:04:01 1.75 0.00 1.75 0.00 0.00 30.16 0.00 09:05:02 0.28 0.00 0.28 0.00 0.00 3.80 0.00 09:06:01 0.25 0.00 0.25 0.00 0.00 3.29 0.00 09:07:01 0.15 0.00 0.15 0.00 0.00 1.97 0.00 09:08:01 0.37 0.02 0.35 0.00 0.13 4.98 0.00 09:09:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 Average: 4.91 1.74 3.17 0.00 659.96 484.17 0.00 09:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:03:01 224748 0 592724 31.50 2620 1061464 1097744 37.46 460560 1038652 24 09:04:01 227316 0 590152 31.37 2620 1061468 1069340 36.49 463584 1034036 8 09:05:02 226872 0 590584 31.39 2620 1061480 1069484 36.50 464236 1034036 8 09:06:01 224560 0 592896 31.51 2620 1061480 1069508 36.50 466992 1033216 20 09:07:01 223096 0 594352 31.59 2620 1061488 1069544 36.50 476368 1021624 16 09:08:01 224372 0 593068 31.52 2620 1061496 1069688 36.51 478868 1021620 12 09:09:01 225852 0 591588 31.44 2620 1061496 1069472 36.50 477080 1022212 8 Average: 225259 0 592195 31.47 2620 1061482 1073540 36.64 469670 1029342 14 09:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:03:01 eth0 279.01 239.73 666.99 356.73 0.00 0.00 0.00 0.00 09:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 docker0 113.08 96.79 9.37 303.93 0.00 0.00 0.00 0.00 09:04:01 eth0 1.62 0.08 0.16 0.01 0.00 0.00 0.00 0.00 09:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:02 eth0 2.93 0.53 0.70 0.39 0.00 0.00 0.00 0.00 09:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 eth0 3.15 0.90 0.95 0.60 0.00 0.00 0.00 0.00 09:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 eth0 1.25 0.30 0.40 0.26 0.00 0.00 0.00 0.00 09:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 eth0 1.03 0.55 0.60 0.36 0.00 0.00 0.00 0.00 09:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 0.00 09:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 41.41 34.69 95.96 51.34 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.20 13.87 1.34 43.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/16/20 _x86_64_ (4 CPU) 09:01:04 LINUX RESTART (4 CPU) 09:02:01 CPU %user %nice %system %iowait %steal %idle 09:03:01 all 4.65 0.00 2.12 0.60 0.03 92.60 09:03:01 0 3.63 0.00 2.33 0.08 0.03 93.92 09:03:01 1 4.53 0.00 1.87 1.64 0.03 91.92 09:03:01 2 5.40 0.00 2.04 0.20 0.03 92.32 09:03:01 3 5.04 0.00 2.24 0.47 0.02 92.24 09:04:01 all 0.17 0.00 0.05 0.00 0.00 99.78 09:04:01 0 0.07 0.00 0.07 0.00 0.00 99.87 09:04:01 1 0.07 0.00 0.07 0.00 0.00 99.87 09:04:01 2 0.53 0.00 0.03 0.00 0.00 99.43 09:04:01 3 0.02 0.00 0.02 0.00 0.00 99.97 09:05:02 all 0.18 0.00 0.04 0.00 0.00 99.78 09:05:02 0 0.08 0.00 0.05 0.00 0.00 99.87 09:05:02 1 0.07 0.00 0.02 0.00 0.00 99.92 09:05:02 2 0.52 0.00 0.03 0.00 0.00 99.45 09:05:02 3 0.05 0.00 0.05 0.00 0.00 99.90 09:06:01 all 0.18 0.00 0.03 0.00 0.00 99.78 09:06:01 0 0.10 0.00 0.03 0.00 0.00 99.86 09:06:01 1 0.32 0.00 0.03 0.00 0.00 99.64 09:06:01 2 0.25 0.00 0.05 0.00 0.00 99.69 09:06:01 3 0.03 0.00 0.02 0.00 0.02 99.93 09:07:01 all 0.08 0.00 0.11 0.00 0.00 99.82 09:07:01 0 0.03 0.00 0.05 0.00 0.00 99.92 09:07:01 1 0.13 0.00 0.28 0.00 0.00 99.58 09:07:01 2 0.10 0.00 0.07 0.00 0.00 99.83 09:07:01 3 0.03 0.00 0.03 0.00 0.00 99.93 09:08:01 all 0.09 0.00 0.05 0.00 0.00 99.86 09:08:01 0 0.05 0.00 0.02 0.00 0.00 99.93 09:08:01 1 0.03 0.00 0.05 0.00 0.00 99.92 09:08:01 2 0.03 0.00 0.05 0.00 0.00 99.92 09:08:01 3 0.23 0.00 0.08 0.00 0.00 99.68 09:09:01 all 0.16 0.00 0.02 0.00 0.00 99.82 09:09:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:09:01 1 0.03 0.00 0.00 0.00 0.02 99.95 09:09:01 2 0.05 0.00 0.02 0.00 0.00 99.93 09:09:01 3 0.53 0.00 0.03 0.00 0.00 99.43 Average: all 0.79 0.00 0.34 0.09 0.01 98.78 Average: 0 0.57 0.00 0.37 0.01 0.00 99.05 Average: 1 0.74 0.00 0.33 0.23 0.01 98.69 Average: 2 0.98 0.00 0.33 0.03 0.00 98.66 Average: 3 0.85 0.00 0.35 0.07 0.00 98.73