---> uname -a: Linux b6a3d47e50b1 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 12.7G 37.3G 25% / 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 12.7G 37.3G 25% /etc/resolv.conf /dev/vda1 50.0G 12.7G 37.3G 25% /etc/hostname /dev/vda1 50.0G 12.7G 37.3G 25% /etc/hosts /dev/vda1 50.0G 12.7G 37.3G 25% /var/log/sa-host /dev/vda1 50.0G 12.7G 37.3G 25% /w/workspace/edgex-go/4 /dev/vda1 50.0G 12.7G 37.3G 25% /w/workspace/edgex-go/4@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 633 102 0 1101 1117 Swap: 1023 72 951 ---> 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 110: eth0@if111: 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) 09/23/20 _x86_64_ (4 CPU) 16:56:51 LINUX RESTART (4 CPU) 16:58:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:59:02 92.98 51.00 41.98 0.00 8391.08 12696.82 0.00 17:00:01 274.61 70.85 203.75 0.00 3661.47 58855.64 0.00 17:01:01 294.08 178.84 115.25 0.00 7850.91 12755.28 0.00 17:02:02 200.97 64.57 136.40 0.00 13954.98 70102.77 0.00 17:03:01 2205.23 1830.25 374.98 0.00 195674.59 214892.11 0.00 17:04:01 1013.05 730.62 282.43 0.00 42413.43 64924.16 0.00 17:05:02 3053.82 2684.25 369.57 0.00 173995.96 179345.64 0.00 17:06:01 1803.12 1485.43 317.68 0.00 80362.37 91025.93 0.00 17:07:01 157.85 17.60 140.25 0.00 3569.17 12960.33 0.00 17:08:01 5.15 3.38 1.77 0.00 259.78 23.05 0.00 Average: 908.91 710.82 198.09 0.00 52924.35 71653.40 0.00 16:58:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:59:02 309156 0 587948 31.25 2620 981832 1106916 37.78 573196 841512 120 17:00:01 76500 0 741952 39.43 1492 1061612 1506588 51.42 746128 825084 78136 17:01:01 438880 0 724256 38.49 1280 717140 1730592 59.06 586652 617760 22400 17:02:02 76532 0 674684 35.86 240 1130100 1249580 42.65 743552 854484 87444 17:03:01 52480 0 749280 39.82 64 1079732 2115036 72.18 700924 956480 103028 17:04:01 373872 0 666308 35.41 64 841312 1671092 57.03 580772 728424 96 17:05:02 180308 0 769596 40.90 64 931588 2750872 93.88 701708 816624 15388 17:06:01 234996 0 743752 39.53 64 902744 2198632 75.04 533172 919216 1552 17:07:01 331744 0 573408 30.48 64 976340 1222576 41.72 430064 920932 8 17:08:01 335492 0 565148 30.04 64 980852 1155300 39.43 425952 924636 8 Average: 240996 0 679633 36.12 602 960325 1670718 57.02 602212 840515 30818 16:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:59:02 eth0 1260.28 1274.24 3187.82 1458.77 0.00 0.00 0.00 0.00 16:59:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:02 docker0 857.77 635.51 68.96 2651.06 0.00 0.00 0.00 0.00 17:00:01 eth0 1123.08 838.07 4944.19 1473.48 0.00 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 127.93 168.50 9.19 849.27 0.00 0.00 0.00 0.00 17:01:01 eth0 38.24 20.91 34.74 14.47 0.00 0.00 0.00 0.00 17:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 vethf8306ac 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 17:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:02 vethe5ceb2f 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 17:02:02 eth0 224.72 191.79 1694.70 124.14 0.00 0.00 0.00 0.00 17:02:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 vethe5ceb2f 0.00 0.35 0.00 0.01 0.00 0.00 0.00 0.00 17:03:01 eth0 50.38 31.58 171.50 13.11 0.00 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 16.63 21.78 0.91 147.64 0.00 0.00 0.00 0.00 17:04:01 vethe5ceb2f 0.00 0.12 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 eth0 69.54 45.90 188.57 71.02 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 vethce95730 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 17:05:02 vethe5ceb2f 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 17:05:02 veth5a516a6 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:02 eth0 69.87 46.26 94.82 65.40 0.00 0.00 0.00 0.00 17:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 vethd194cb3 0.00 0.17 0.00 0.01 0.00 0.00 0.00 0.00 17:06:01 vethe5ceb2f 0.00 0.12 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 eth0 63.65 40.64 104.65 67.98 0.00 0.00 0.00 0.00 17:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 eth0 102.20 64.86 432.02 60.43 0.00 0.00 0.00 0.00 17:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 docker0 1057.20 915.33 82.41 4270.57 0.00 0.00 0.00 0.00 17:08:01 eth0 1.08 0.37 0.50 0.09 0.00 0.00 0.00 0.00 17:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 299.39 254.89 1081.59 333.43 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 105.93 91.71 8.26 427.90 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) 09/23/20 _x86_64_ (4 CPU) 16:56:51 LINUX RESTART (4 CPU) 16:58:01 CPU %user %nice %system %iowait %steal %idle 16:59:02 all 13.94 0.00 4.95 1.40 0.04 79.67 16:59:02 0 14.98 0.00 5.55 0.31 0.02 79.15 16:59:02 1 10.85 0.00 4.79 2.98 0.03 81.35 16:59:02 2 10.39 0.00 5.08 0.56 0.07 83.90 16:59:02 3 19.54 0.00 4.39 1.72 0.05 74.29 17:00:01 all 14.23 0.00 8.93 5.60 0.04 71.20 17:00:01 0 13.02 0.00 10.59 5.59 0.05 70.75 17:00:01 1 12.56 0.00 8.13 6.66 0.07 72.58 17:00:01 2 19.05 0.00 8.39 3.40 0.02 69.14 17:00:01 3 12.25 0.00 8.63 6.75 0.03 72.33 17:01:01 all 44.69 0.00 12.94 5.99 0.04 36.33 17:01:01 0 45.71 0.00 13.33 5.73 0.05 35.19 17:01:01 1 44.04 0.00 12.74 6.23 0.02 36.97 17:01:01 2 42.45 0.00 13.22 7.44 0.05 36.84 17:01:01 3 46.57 0.00 12.47 4.56 0.05 36.35 17:02:02 all 25.40 0.00 12.80 7.03 0.06 54.71 17:02:02 0 27.84 0.00 12.60 5.94 0.08 53.54 17:02:02 1 23.69 0.00 12.68 7.64 0.07 55.93 17:02:02 2 24.46 0.00 12.76 6.54 0.07 56.17 17:02:02 3 25.60 0.00 13.15 8.01 0.03 53.20 17:03:01 all 20.30 0.00 25.64 22.69 0.07 31.30 17:03:01 0 19.96 0.00 24.18 20.08 0.09 35.69 17:03:01 1 20.22 0.00 25.23 24.05 0.07 30.42 17:03:01 2 20.80 0.00 26.15 22.50 0.07 30.48 17:03:01 3 20.21 0.00 27.01 24.15 0.07 28.56 17:04:01 all 50.90 0.00 17.97 18.03 0.03 13.06 17:04:01 0 51.32 0.00 17.00 19.85 0.03 11.79 17:04:01 1 50.40 0.00 17.32 14.80 0.03 17.44 17:04:01 2 50.83 0.00 19.16 19.87 0.02 10.12 17:04:01 3 51.06 0.00 18.40 17.63 0.03 12.87 17:05:02 all 33.70 0.00 25.51 22.58 0.08 18.14 17:05:02 0 32.76 0.00 26.05 25.13 0.07 15.99 17:05:02 1 34.34 0.00 22.50 20.29 0.10 22.76 17:05:02 2 34.38 0.00 27.08 21.38 0.09 17.08 17:05:02 3 33.32 0.00 26.39 23.52 0.07 16.70 17:06:01 all 39.29 0.00 19.72 25.40 0.09 15.51 17:06:01 0 39.31 0.00 20.10 24.18 0.09 16.32 17:06:01 1 37.48 0.00 18.67 27.85 0.10 15.89 17:06:01 2 39.58 0.00 20.17 22.70 0.12 17.43 17:06:01 3 40.79 0.00 19.92 26.87 0.03 12.39 17:07:01 all 8.04 0.00 4.95 7.73 0.04 79.25 17:07:01 0 6.75 0.00 4.72 4.35 0.05 84.13 17:07:01 1 9.13 0.00 5.25 11.54 0.03 74.05 17:07:01 2 8.18 0.00 5.41 7.78 0.03 78.59 17:07:01 3 8.09 0.00 4.40 7.24 0.05 80.22 17:08:01 all 0.04 0.00 0.06 0.11 0.00 99.80 17:08:01 0 0.05 0.00 0.05 0.18 0.00 99.72 17:08:01 1 0.03 0.00 0.08 0.15 0.00 99.73 17:08:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:08:01 3 0.03 0.00 0.05 0.10 0.00 99.82 Average: all 24.97 0.00 13.25 11.55 0.05 50.18 Average: 0 25.12 0.00 13.34 11.06 0.05 50.43 Average: 1 24.20 0.00 12.65 12.12 0.05 50.98 Average: 2 24.90 0.00 13.65 11.12 0.05 50.28 Average: 3 25.66 0.00 13.36 11.92 0.04 49.02