---> uname -a: Linux 77833a8a8e95 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: 2933.438 BogoMIPS: 5866.87 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 11.9G 38.1G 24% / 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 11.9G 38.1G 24% /etc/resolv.conf /dev/vda1 50.0G 11.9G 38.1G 24% /etc/hostname /dev/vda1 50.0G 11.9G 38.1G 24% /etc/hosts /dev/vda1 50.0G 11.9G 38.1G 24% /var/log/sa-host /dev/vda1 50.0G 11.9G 38.1G 24% /w/workspace/edgex-go/4 /dev/vda1 50.0G 11.9G 38.1G 24% /w/workspace/edgex-go/4@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 613 342 0 881 1135 Swap: 1023 67 956 ---> 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 108: eth0@if109: 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) 09/22/20 _x86_64_ (4 CPU) 16:54:01 LINUX RESTART (4 CPU) 16:55:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:56:01 86.18 35.04 51.14 0.00 7698.55 18259.37 0.00 16:57:01 278.60 66.01 212.59 0.00 3797.24 64166.04 0.00 16:58:02 280.86 194.25 86.61 0.00 8515.61 5167.48 0.00 16:59:01 303.24 108.68 194.56 0.00 50510.60 124695.72 0.00 17:00:02 3541.44 3178.01 363.43 0.00 183294.73 200603.53 0.00 17:01:01 447.16 184.87 262.29 0.00 52648.75 89355.58 0.00 17:02:01 2238.21 1896.67 341.54 0.00 93258.05 107009.55 0.00 17:03:02 1434.33 1099.29 335.05 0.00 66935.99 81552.68 0.00 17:04:01 26.41 17.14 9.28 0.00 3312.02 301.59 0.00 17:05:01 99.65 46.74 52.91 0.00 4937.73 5783.73 0.00 Average: 877.54 686.25 191.29 0.00 47615.53 69779.96 0.00 16:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:56:01 341896 0 568920 30.24 2620 968120 1085644 37.05 592348 790756 120 16:57:01 304880 0 696744 37.03 1492 878440 1286484 43.91 579980 753144 8 16:58:02 288284 0 693340 36.85 1384 898548 1349636 46.06 701236 649840 75736 16:59:01 65492 0 781460 41.53 112 1034492 2284188 77.96 712360 941464 75008 17:00:02 98908 0 1124008 59.74 112 658528 4399864 150.16 927224 636452 8864 17:01:01 52924 0 708460 37.65 112 1120060 1936748 66.10 783696 859520 85712 17:02:01 311644 0 857084 45.55 112 712716 3473636 118.55 551864 817764 1064 17:03:02 361664 0 638044 33.91 112 881736 1606204 54.82 541960 784500 20 17:04:01 715296 0 549232 29.19 112 616916 1168412 39.88 447664 531692 16 17:05:01 297596 0 683164 36.31 112 900684 2150936 73.41 574816 793436 8 Average: 283858 0 730046 38.80 628 867024 2074175 70.79 641315 755857 24656 16:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:56:01 eth0 1763.47 1613.79 4833.03 2401.71 0.00 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 804.01 600.58 66.09 2649.49 0.00 0.00 0.00 0.00 16:57:01 eth0 753.77 588.87 4788.52 519.76 0.00 0.00 0.00 0.00 16:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 docker0 148.21 174.69 10.60 836.32 0.00 0.00 0.00 0.00 16:58:02 eth0 56.07 35.18 45.06 73.67 0.00 0.00 0.00 0.00 16:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:02 vethe9a366e 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 16:58:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 veth3f0a35b 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 16:59:01 eth0 219.82 187.27 1717.55 56.71 0.00 0.00 0.00 0.00 16:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:02 veth3f0a35b 0.00 0.30 0.00 0.01 0.00 0.00 0.00 0.00 17:00:02 eth0 57.91 40.15 166.22 48.13 0.00 0.00 0.00 0.00 17:00:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:02 veth16fe785 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 17:01:01 veth1810a1b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 veth3f0a35b 0.00 0.17 0.00 0.01 0.00 0.00 0.00 0.00 17:01:01 eth0 48.43 25.68 144.96 12.75 0.00 0.00 0.00 0.00 17:01:01 veth1a7399a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 veth58658dc 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 veth3f0a35b 0.00 0.17 0.00 0.01 0.00 0.00 0.00 0.00 17:02:01 vethb7c4736 3.28 4.04 0.47 19.96 0.00 0.00 0.00 0.00 17:02:01 veth3b6c956 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:02 veth3f0a35b 0.00 0.25 0.00 0.01 0.00 0.00 0.00 0.00 17:03:02 eth0 3630.27 2964.34 13941.08 3328.54 0.00 0.00 0.00 0.00 17:03:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 17:03:02 docker0 1017.86 890.82 80.55 4236.02 0.00 0.00 0.00 0.00 17:04:01 eth0 5.35 3.01 4.74 2.06 0.00 0.00 0.00 0.00 17:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 veth238e73c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 eth0 89.39 77.44 694.42 32.78 0.00 0.00 0.00 0.00 17:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:01 vethcabe093 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth238e73c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 319.53 269.16 1302.99 331.98 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: vethcabe093 0.00 0.00 0.00 0.00 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) 09/22/20 _x86_64_ (4 CPU) 16:54:01 LINUX RESTART (4 CPU) 16:55:01 CPU %user %nice %system %iowait %steal %idle 16:56:01 all 17.20 0.00 5.82 1.48 0.03 75.47 16:56:01 0 14.17 0.00 8.17 0.29 0.03 77.33 16:56:01 1 23.04 0.00 5.18 2.21 0.02 69.55 16:56:01 2 17.40 0.00 4.84 1.58 0.02 76.16 16:56:01 3 14.12 0.00 5.12 1.81 0.05 78.90 16:57:01 all 13.09 0.00 8.94 4.66 0.04 73.27 16:57:01 0 12.41 0.00 9.10 3.48 0.03 74.97 16:57:01 1 15.31 0.00 9.08 5.81 0.03 69.77 16:57:01 2 11.73 0.00 9.39 4.53 0.05 74.29 16:57:01 3 12.88 0.00 8.18 4.82 0.03 74.08 16:58:02 all 52.25 0.00 14.39 4.74 0.03 28.58 16:58:02 0 51.73 0.00 15.37 3.38 0.03 29.49 16:58:02 1 52.44 0.00 13.57 3.33 0.03 30.63 16:58:02 2 52.57 0.00 13.93 4.99 0.03 28.47 16:58:02 3 52.27 0.00 14.69 7.28 0.02 25.74 16:59:01 all 19.94 0.00 14.15 9.55 0.05 56.30 16:59:01 0 22.83 0.00 14.93 8.28 0.03 53.93 16:59:01 1 17.46 0.00 13.59 8.74 0.05 60.16 16:59:01 2 19.82 0.00 14.05 12.06 0.03 54.03 16:59:01 3 19.67 0.00 14.03 9.14 0.09 57.07 17:00:02 all 24.70 0.00 27.08 22.76 0.11 25.35 17:00:02 0 24.17 0.00 24.88 22.86 0.12 27.97 17:00:02 1 23.92 0.00 26.41 26.38 0.10 23.19 17:00:02 2 23.84 0.00 29.16 22.40 0.12 24.48 17:00:02 3 26.90 0.00 27.88 19.36 0.09 25.77 17:01:01 all 49.90 0.00 15.62 16.83 0.04 17.62 17:01:01 0 49.14 0.00 14.88 16.88 0.05 19.05 17:01:01 1 51.41 0.00 16.04 14.12 0.05 18.39 17:01:01 2 49.88 0.00 15.95 18.91 0.02 15.24 17:01:01 3 49.15 0.00 15.61 17.41 0.03 17.80 17:02:01 all 31.14 0.00 18.06 29.60 0.05 21.15 17:02:01 0 32.71 0.00 17.92 23.71 0.05 25.61 17:02:01 1 30.77 0.00 17.35 32.78 0.05 19.05 17:02:01 2 31.05 0.00 18.36 29.35 0.05 21.19 17:02:01 3 30.03 0.00 18.60 32.61 0.05 18.70 17:03:02 all 35.73 0.00 16.62 24.49 0.04 23.12 17:03:02 0 37.48 0.00 15.78 18.59 0.03 28.12 17:03:02 1 35.77 0.00 17.25 25.12 0.03 21.83 17:03:02 2 34.96 0.00 16.55 28.54 0.03 19.91 17:03:02 3 34.69 0.00 16.90 25.73 0.07 22.62 17:04:01 all 0.43 0.00 0.42 0.78 0.00 98.37 17:04:01 0 0.29 0.00 0.36 0.17 0.00 99.19 17:04:01 1 0.42 0.00 0.34 1.29 0.02 97.93 17:04:01 2 0.24 0.00 0.49 1.49 0.00 97.78 17:04:01 3 0.76 0.00 0.49 0.17 0.00 98.58 17:05:01 all 2.84 0.00 2.00 3.18 0.01 91.97 17:05:01 0 2.41 0.00 1.99 2.58 0.02 93.01 17:05:01 1 3.38 0.00 2.04 5.77 0.00 88.80 17:05:01 2 2.59 0.00 1.74 1.46 0.02 94.20 17:05:01 3 2.96 0.00 2.24 2.90 0.00 91.89 Average: all 24.60 0.00 12.23 11.72 0.04 51.41 Average: 0 24.62 0.00 12.28 9.97 0.04 53.09 Average: 1 25.28 0.00 12.01 12.47 0.04 50.20 Average: 2 24.29 0.00 12.37 12.44 0.04 50.86 Average: 3 24.19 0.00 12.27 12.01 0.04 51.48