---> uname -a: Linux 0e45cb4a9081 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 8.0G 42.0G 16% / 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 8.0G 42.0G 16% /etc/resolv.conf /dev/vda1 50.0G 8.0G 42.0G 16% /etc/hostname /dev/vda1 50.0G 8.0G 42.0G 16% /etc/hosts /dev/vda1 50.0G 8.0G 42.0G 16% /var/log/sa-host /dev/vda1 50.0G 8.0G 42.0G 16% /w/workspace/edgex-go/6 /dev/vda1 50.0G 8.0G 42.0G 16% /w/workspace/edgex-go/6@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 681 107 0 1049 1058 Swap: 1023 2 1021 ---> 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 10: eth0@if11: 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) 14:28:36 LINUX RESTART (4 CPU) 14:29:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:01 108.24 48.51 59.73 0.00 3624.06 38406.82 0.00 14:31:01 50.87 10.83 40.04 0.00 4680.75 9244.02 0.00 14:32:01 194.99 84.19 110.80 0.00 6517.84 46413.93 0.00 14:33:01 49.05 11.69 37.36 0.00 841.29 13349.60 0.00 14:34:01 1.88 0.02 1.87 0.00 0.53 47.24 0.00 14:35:01 0.30 0.03 0.27 0.00 1.07 3.48 0.00 14:36:01 91.73 54.57 37.16 0.00 5526.78 6362.89 0.00 Average: 71.02 29.98 41.04 0.00 3028.27 16263.77 0.00 14:29:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:01 68648 0 522752 27.78 2620 1287536 1060976 36.21 375476 1282396 2600 14:31:01 85408 0 645620 34.31 2620 1147908 1315400 44.89 546112 1086488 59236 14:32:01 184784 0 655392 34.83 1636 1039744 1285024 43.86 566252 931072 8 14:33:01 223232 0 615308 32.70 1492 1041524 1086720 37.09 561496 900692 28 14:34:01 225756 0 612832 32.57 1492 1041476 1065060 36.35 567976 892552 8 14:35:01 226004 0 612576 32.56 1492 1041484 1065216 36.35 577128 884412 8 14:36:01 98056 0 719192 38.22 1492 1062816 1867920 63.75 649712 906964 36 Average: 158841 0 626239 33.28 1835 1094641 1249474 42.64 549165 983511 8846 14:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:01 eth0 424.26 238.96 764.80 46.49 0.00 0.00 0.00 0.00 14:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 vethb5d65a3 847.63 596.21 74.82 2093.36 0.00 0.00 0.00 0.00 14:31:01 eth0 1239.66 1351.85 4983.93 137.24 0.00 0.00 0.00 0.00 14:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 docker0 847.63 596.07 63.23 2093.35 0.00 0.00 0.00 0.00 14:32:01 eth0 1388.63 1074.42 3931.35 2792.33 0.00 0.00 0.00 0.00 14:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 docker0 261.05 203.58 18.26 922.65 0.00 0.00 0.00 0.00 14:33:01 eth0 161.79 117.03 1098.21 11.67 0.00 0.00 0.00 0.00 14:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:01 docker0 17.15 18.48 1.43 13.32 0.00 0.00 0.00 0.00 14:34:01 eth0 0.57 0.10 0.06 0.01 0.00 0.00 0.00 0.00 14:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:35:01 eth0 0.55 0.38 0.40 0.26 0.00 0.00 0.00 0.00 14:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:36:01 vethdf57952 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 14:36:01 eth0 76.49 59.94 691.26 9.06 0.00 0.00 0.00 0.00 14:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethdf57952 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 470.42 406.24 1639.06 428.20 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 160.91 116.93 11.85 432.95 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) 14:28:36 LINUX RESTART (4 CPU) 14:29:01 CPU %user %nice %system %iowait %steal %idle 14:30:01 all 11.77 0.00 6.17 3.75 0.05 78.25 14:30:01 0 11.43 0.00 6.23 5.00 0.07 77.28 14:30:01 1 12.37 0.00 8.25 3.23 0.05 76.10 14:30:01 2 12.11 0.00 5.04 2.31 0.07 80.47 14:30:01 3 11.17 0.00 5.18 4.47 0.03 79.15 14:31:01 all 7.61 0.00 3.92 1.63 0.05 86.79 14:31:01 0 7.72 0.00 4.24 0.50 0.02 87.53 14:31:01 1 6.86 0.00 3.36 0.99 0.05 88.74 14:31:01 2 6.97 0.00 3.78 1.64 0.12 87.50 14:31:01 3 8.89 0.00 4.32 3.37 0.02 83.41 14:32:01 all 18.44 0.00 7.49 1.92 0.09 72.06 14:32:01 0 27.14 0.00 10.49 0.89 0.05 61.43 14:32:01 1 15.38 0.00 6.21 1.61 0.12 76.68 14:32:01 2 17.72 0.00 6.98 4.83 0.08 70.38 14:32:01 3 13.56 0.00 6.30 0.34 0.12 79.68 14:33:01 all 2.55 0.00 1.65 1.04 0.02 94.75 14:33:01 0 2.60 0.00 2.04 0.97 0.02 94.37 14:33:01 1 2.02 0.00 1.54 0.82 0.02 95.60 14:33:01 2 2.84 0.00 1.72 1.04 0.02 94.38 14:33:01 3 2.73 0.00 1.31 1.32 0.02 94.63 14:34:01 all 0.15 0.00 0.05 0.00 0.00 99.80 14:34:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:34:01 1 0.02 0.00 0.03 0.00 0.00 99.95 14:34:01 2 0.03 0.00 0.03 0.00 0.00 99.93 14:34:01 3 0.53 0.00 0.08 0.00 0.00 99.38 14:35:01 all 0.16 0.00 0.04 0.00 0.00 99.79 14:35:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:35:01 1 0.07 0.00 0.05 0.00 0.02 99.87 14:35:01 2 0.03 0.00 0.03 0.00 0.00 99.93 14:35:01 3 0.53 0.00 0.07 0.00 0.00 99.40 14:36:01 all 2.93 0.00 2.04 1.55 0.04 93.44 14:36:01 0 2.85 0.00 1.37 1.00 0.05 94.73 14:36:01 1 3.75 0.00 2.68 2.76 0.05 90.76 14:36:01 2 2.11 0.00 2.22 0.87 0.02 94.78 14:36:01 3 3.03 0.00 1.91 1.56 0.03 93.47 Average: all 6.19 0.00 3.04 1.41 0.04 89.33 Average: 0 7.33 0.00 3.46 1.19 0.03 87.99 Average: 1 5.75 0.00 3.15 1.34 0.04 89.71 Average: 2 5.94 0.00 2.82 1.52 0.04 89.68 Average: 3 5.75 0.00 2.72 1.58 0.03 89.92