---> uname -a: Linux 04cad87879ff 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 8.2G 41.8G 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dgexfoundry_device-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 786 124 0 926 987 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 16: eth0@if17: 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) 09/20/20 _x86_64_ (4 CPU) 12:56:31 LINUX RESTART (4 CPU) 12:57:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:58:02 78.78 29.35 49.43 0.00 7235.88 5272.96 0.00 12:59:01 2.05 0.00 2.05 0.00 0.00 43.59 0.00 13:00:01 0.27 0.00 0.27 0.00 0.00 3.66 0.00 13:01:01 0.28 0.02 0.27 0.00 0.13 2.98 0.00 13:02:01 22.00 2.50 19.51 0.00 311.05 14371.95 0.00 13:03:01 361.40 175.28 186.12 0.00 9771.77 47094.39 0.00 Average: 77.69 34.64 43.05 0.00 2883.40 11182.13 0.00 12:57:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:58:02 176424 0 564160 29.98 2620 1138352 1103688 37.67 442616 1103520 120 12:59:01 180128 0 560240 29.78 2620 1138568 1079372 36.84 441576 1101384 20 13:00:01 179552 0 560808 29.81 2620 1138576 1079564 36.84 442564 1101324 20 13:01:01 176556 0 563804 29.96 2620 1138576 1082380 36.94 445408 1100708 16 13:02:01 76604 0 645752 34.32 2620 1156580 1496340 51.07 557964 1078120 14796 13:03:01 78256 0 794820 42.24 1600 1006880 1324464 45.20 636360 878904 7188 Average: 144587 0 614931 32.68 2450 1119589 1194301 40.76 494415 1060660 3693 12:57:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:58:02 eth0 574.80 369.03 1101.79 113.19 0.00 0.00 0.00 0.00 12:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:02 docker0 6.60 4.59 1.01 18.58 0.00 0.00 0.00 0.00 12:59:01 eth0 0.81 0.07 0.07 0.01 0.00 0.00 0.00 0.00 12:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 eth0 0.83 0.50 0.30 0.21 0.00 0.00 0.00 0.00 13:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:01:01 eth0 0.67 0.38 0.29 0.20 0.00 0.00 0.00 0.00 13:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:02:01 eth0 402.85 365.51 3774.57 26.41 0.00 0.00 0.00 0.00 13:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:03:01 eth0 495.34 425.03 3415.83 97.78 0.00 0.00 0.00 0.00 13:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:03:01 veth4c1c9ca 20.47 30.16 1.38 115.91 0.00 0.00 0.00 0.00 13:03:01 docker0 39.35 48.64 3.07 160.63 0.00 0.00 0.00 0.00 Average: eth0 245.73 193.53 1387.20 39.55 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: veth4c1c9ca 3.43 5.06 0.23 19.43 0.00 0.00 0.00 0.00 Average: docker0 7.68 8.91 0.68 29.99 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) 09/20/20 _x86_64_ (4 CPU) 12:56:31 LINUX RESTART (4 CPU) 12:57:02 CPU %user %nice %system %iowait %steal %idle 12:58:02 all 12.69 0.00 4.11 2.53 0.02 80.66 12:58:02 0 14.59 0.00 4.26 0.48 0.02 80.66 12:58:02 1 13.79 0.00 3.44 2.79 0.02 79.96 12:58:02 2 12.06 0.00 4.22 3.00 0.02 80.70 12:58:02 3 10.33 0.00 4.50 3.85 0.02 81.31 12:59:01 all 0.14 0.00 0.05 0.00 0.00 99.81 12:59:01 0 0.08 0.00 0.07 0.00 0.00 99.85 12:59:01 1 0.42 0.00 0.05 0.00 0.00 99.53 12:59:01 2 0.05 0.00 0.03 0.00 0.00 99.92 12:59:01 3 0.02 0.00 0.03 0.00 0.00 99.95 13:00:01 all 0.10 0.00 0.03 0.00 0.00 99.88 13:00:01 0 0.05 0.00 0.02 0.00 0.00 99.93 13:00:01 1 0.27 0.00 0.03 0.00 0.00 99.70 13:00:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:00:01 3 0.05 0.00 0.03 0.00 0.00 99.92 13:01:01 all 0.15 0.00 0.03 0.00 0.00 99.81 13:01:01 0 0.03 0.00 0.03 0.00 0.00 99.93 13:01:01 1 0.52 0.00 0.02 0.00 0.00 99.47 13:01:01 2 0.03 0.00 0.03 0.00 0.00 99.93 13:01:01 3 0.03 0.00 0.03 0.00 0.02 99.92 13:02:01 all 2.57 0.00 1.38 0.01 0.01 96.03 13:02:01 0 2.53 0.00 1.64 0.02 0.02 95.79 13:02:01 1 2.67 0.00 1.47 0.03 0.02 95.81 13:02:01 2 2.34 0.00 1.14 0.00 0.02 96.51 13:02:01 3 2.74 0.00 1.25 0.00 0.00 96.01 13:03:01 all 13.06 0.00 7.91 3.40 0.03 75.60 13:03:01 0 12.93 0.00 7.45 2.88 0.03 76.70 13:03:01 1 13.04 0.00 8.20 3.56 0.03 75.18 13:03:01 2 13.80 0.00 8.85 4.01 0.02 73.32 13:03:01 3 12.46 0.00 7.16 3.14 0.03 77.21 Average: all 4.75 0.00 2.23 0.98 0.01 92.03 Average: 0 4.99 0.00 2.23 0.56 0.01 92.21 Average: 1 5.08 0.00 2.19 1.05 0.01 91.67 Average: 2 4.68 0.00 2.37 1.16 0.01 91.79 Average: 3 4.23 0.00 2.15 1.15 0.01 92.46