---> uname -a: Linux 7a7d3f4a394d 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 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% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-594 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-594@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 675 141 0 1021 1055 Swap: 1023 1 1022 ---> 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) 09/18/20 _x86_64_ (4 CPU) 10:10:37 LINUX RESTART (4 CPU) 10:11:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:12:01 174.61 93.79 80.82 0.00 11294.66 40126.09 0.00 10:13:01 7.27 2.09 5.17 0.00 110.66 197.59 0.00 10:14:02 1.58 0.00 1.58 0.00 0.00 30.36 0.00 10:15:01 0.29 0.00 0.29 0.00 0.00 3.72 0.00 10:16:01 0.23 0.00 0.23 0.00 0.00 3.33 0.00 10:17:01 0.35 0.00 0.35 0.00 0.00 4.16 0.00 10:18:01 0.32 0.02 0.30 0.00 0.13 3.63 0.00 10:19:01 0.25 0.00 0.25 0.00 0.00 2.96 0.00 10:20:01 44.87 42.34 2.53 0.00 4287.44 68.23 0.00 Average: 25.58 15.39 10.19 0.00 1747.38 4503.33 0.00 10:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:12:01 166368 0 601652 31.98 2620 1110916 1327284 45.30 424240 1129660 48 10:13:01 159088 0 604328 32.12 2620 1115520 1133112 38.67 438868 1123468 16 10:14:02 170472 0 592936 31.51 2620 1115528 1058232 36.12 432996 1119812 8 10:15:01 169204 0 594204 31.58 2620 1115528 1058232 36.12 434588 1119140 8 10:16:01 168444 0 594900 31.62 2620 1115592 1058524 36.13 445152 1110172 24 10:17:01 169120 0 594276 31.58 2620 1115540 1058440 36.12 444636 1110140 8 10:18:01 169128 0 594264 31.58 2620 1115544 1058400 36.12 444568 1110140 8 10:19:01 169740 0 593644 31.55 2620 1115552 1058360 36.12 441912 1112124 16 10:20:01 75044 0 692164 36.79 2620 1111728 1484108 50.65 515028 1118804 95272 Average: 157401 0 606930 32.26 2620 1114605 1143855 39.04 446888 1117051 10601 10:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:12:01 eth0 251.97 176.98 1036.75 64.08 0.00 0.00 0.00 0.00 10:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 veth9c7c0be 0.22 0.40 0.04 0.05 0.00 0.00 0.00 0.00 10:12:01 docker0 0.22 0.30 0.03 0.05 0.00 0.00 0.00 0.00 10:13:01 eth0 25.92 22.91 30.77 44.77 0.00 0.00 0.00 0.00 10:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 docker0 6.80 6.23 0.94 18.35 0.00 0.00 0.00 0.00 10:14:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 10:14:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 eth0 1.29 0.08 0.12 0.01 0.00 0.00 0.00 0.00 10:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:16:01 eth0 0.92 0.65 0.53 0.37 0.00 0.00 0.00 0.00 10:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:17:01 eth0 0.22 0.17 0.08 0.10 0.00 0.00 0.00 0.00 10:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 eth0 0.20 0.18 0.07 0.01 0.00 0.00 0.00 0.00 10:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 10:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 eth0 83.39 69.23 737.93 9.67 0.00 0.00 0.00 0.00 10:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 40.54 30.11 201.12 13.26 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 0.78 0.73 0.11 2.05 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) 09/18/20 _x86_64_ (4 CPU) 10:10:37 LINUX RESTART (4 CPU) 10:11:01 CPU %user %nice %system %iowait %steal %idle 10:12:01 all 14.49 0.00 9.01 7.19 14.45 54.86 10:12:01 0 12.36 0.00 9.25 7.54 15.99 54.85 10:12:01 1 13.16 0.00 9.08 6.94 14.13 56.69 10:12:01 2 13.92 0.00 9.79 7.09 14.27 54.94 10:12:01 3 18.61 0.00 7.88 7.20 13.39 52.92 10:13:01 all 0.75 0.00 0.30 0.15 1.28 97.52 10:13:01 0 0.61 0.00 0.28 0.05 1.18 97.87 10:13:01 1 0.86 0.00 0.30 0.05 1.26 97.53 10:13:01 2 0.67 0.00 0.25 0.08 0.93 98.07 10:13:01 3 0.85 0.00 0.36 0.41 1.76 96.62 10:14:02 all 0.07 0.00 0.07 0.00 0.25 99.60 10:14:02 0 0.02 0.00 0.03 0.00 0.25 99.70 10:14:02 1 0.05 0.00 0.10 0.02 0.43 99.40 10:14:02 2 0.03 0.00 0.10 0.00 0.05 99.82 10:14:02 3 0.18 0.00 0.07 0.00 0.27 99.48 10:15:01 all 0.12 0.00 0.03 0.00 0.26 99.59 10:15:01 0 0.02 0.00 0.02 0.00 0.19 99.78 10:15:01 1 0.07 0.00 0.03 0.00 0.46 99.44 10:15:01 2 0.05 0.00 0.05 0.00 0.12 99.78 10:15:01 3 0.36 0.00 0.00 0.00 0.29 99.36 10:16:01 all 0.09 0.00 0.05 0.00 0.50 99.36 10:16:01 0 0.05 0.00 0.05 0.00 0.22 99.68 10:16:01 1 0.03 0.00 0.03 0.00 0.70 99.24 10:16:01 2 0.03 0.00 0.08 0.00 0.66 99.22 10:16:01 3 0.25 0.00 0.03 0.00 0.43 99.29 10:17:01 all 0.12 0.00 0.07 0.00 0.45 99.36 10:17:01 0 0.03 0.00 0.08 0.00 0.48 99.40 10:17:01 1 0.03 0.00 0.03 0.00 0.84 99.09 10:17:01 2 0.05 0.00 0.13 0.00 0.23 99.58 10:17:01 3 0.35 0.00 0.02 0.00 0.25 99.38 10:18:01 all 0.09 0.00 0.03 0.00 0.38 99.51 10:18:01 0 0.02 0.00 0.02 0.00 0.12 99.85 10:18:01 1 0.02 0.00 0.03 0.00 0.53 99.42 10:18:01 2 0.03 0.00 0.03 0.00 0.51 99.42 10:18:01 3 0.28 0.00 0.03 0.00 0.35 99.34 10:19:01 all 0.07 0.00 0.02 0.00 0.17 99.74 10:19:01 0 0.03 0.00 0.02 0.00 0.07 99.88 10:19:01 1 0.23 0.00 0.03 0.00 0.23 99.50 10:19:01 2 0.00 0.00 0.02 0.00 0.28 99.70 10:19:01 3 0.02 0.00 0.02 0.00 0.08 99.88 10:20:01 all 1.78 0.00 1.08 1.22 3.41 92.51 10:20:01 0 1.32 0.00 0.99 1.33 3.95 92.41 10:20:01 1 2.29 0.00 1.14 1.57 3.41 91.58 10:20:01 2 2.09 0.00 0.89 1.90 3.40 91.72 10:20:01 3 1.43 0.00 1.28 0.07 2.89 94.34 Average: all 1.93 0.00 1.17 0.94 2.33 93.64 Average: 0 1.60 0.00 1.19 0.99 2.48 93.75 Average: 1 1.84 0.00 1.18 0.94 2.42 93.62 Average: 2 1.86 0.00 1.25 1.00 2.26 93.63 Average: 3 2.41 0.00 1.05 0.83 2.14 93.57