---> uname -a: Linux 5e7cdbb569fa 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: 2933.442 BogoMIPS: 5866.88 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% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dgexfoundry_device-sdk-go_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 790 126 0 920 981 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) 09/15/20 _x86_64_ (4 CPU) 17:33:11 LINUX RESTART (4 CPU) 17:34:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:35:01 32.93 11.67 21.26 0.00 4539.33 2285.48 0.00 17:36:01 1.70 0.00 1.70 0.00 0.00 29.38 0.00 17:37:01 0.35 0.00 0.35 0.00 0.00 6.00 0.00 17:38:01 0.17 0.00 0.17 0.00 0.00 2.15 0.00 17:39:02 240.27 132.05 108.21 0.00 7349.36 39044.01 0.00 17:40:02 258.84 119.19 139.65 0.00 8641.81 30329.94 0.00 Average: 89.08 43.84 45.24 0.00 3422.77 11956.38 0.00 17:34:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:35:01 165980 0 586580 31.18 2620 1126376 1121228 38.27 447308 1106692 16 17:36:01 172340 0 580216 30.84 2620 1126380 1071452 36.57 444228 1104012 20 17:37:01 170632 0 581912 30.93 2620 1126392 1071744 36.58 447488 1102400 20 17:38:01 170636 0 581908 30.93 2620 1126392 1071516 36.57 451760 1098700 12 17:39:02 70632 0 720512 38.29 2596 1087816 1505724 51.39 649152 953032 49292 17:40:02 111912 0 802528 42.65 1492 965624 1315548 44.90 608808 833280 5288 Average: 143689 0 642276 34.14 2428 1093163 1192869 40.71 508124 1033019 9108 17:34:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:35:01 eth0 137.50 102.30 428.79 54.51 0.00 0.00 0.00 0.00 17:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 docker0 6.69 5.18 0.97 18.18 0.00 0.00 0.00 0.00 17:36:01 eth0 0.82 0.08 0.07 0.01 0.00 0.00 0.00 0.00 17:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 eth0 3.51 2.08 3.23 0.50 0.00 0.00 0.00 0.00 17:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:01 eth0 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:39:02 eth0 825.62 727.17 7048.09 63.28 0.00 0.00 0.00 0.00 17:39:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:39:02 docker0 20.15 17.72 2.14 46.07 0.00 0.00 0.00 0.00 17:40:02 eth0 218.11 177.08 1004.28 124.92 0.00 0.00 0.00 0.00 17:40:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:02 docker0 31.15 33.33 2.01 200.84 0.00 0.00 0.00 0.00 Average: eth0 197.78 168.28 1415.71 40.54 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 9.67 9.37 0.85 44.17 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) 09/15/20 _x86_64_ (4 CPU) 17:33:11 LINUX RESTART (4 CPU) 17:34:01 CPU %user %nice %system %iowait %steal %idle 17:35:01 all 3.11 0.00 1.58 1.07 0.02 94.21 17:35:01 0 3.21 0.00 1.59 0.10 0.02 95.08 17:35:01 1 3.04 0.00 1.67 1.72 0.03 93.53 17:35:01 2 3.40 0.00 1.59 0.82 0.00 94.20 17:35:01 3 2.79 0.00 1.49 1.66 0.02 94.04 17:36:01 all 0.14 0.00 0.04 0.00 0.00 99.82 17:36:01 0 0.02 0.00 0.05 0.00 0.00 99.93 17:36:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:36:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:36:01 3 0.45 0.00 0.02 0.00 0.00 99.53 17:37:01 all 0.09 0.00 0.04 0.00 0.00 99.87 17:37:01 0 0.12 0.00 0.05 0.00 0.00 99.83 17:37:01 1 0.10 0.00 0.03 0.00 0.00 99.87 17:37:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:37:01 3 0.08 0.00 0.05 0.00 0.00 99.87 17:38:01 all 0.14 0.00 0.03 0.00 0.00 99.83 17:38:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:38:01 1 0.02 0.00 0.00 0.00 0.00 99.98 17:38:01 2 0.02 0.00 0.03 0.00 0.02 99.93 17:38:01 3 0.48 0.00 0.05 0.00 0.00 99.47 17:39:02 all 10.37 0.00 5.73 2.00 0.11 81.79 17:39:02 0 10.14 0.00 5.98 2.56 0.12 81.20 17:39:02 1 10.95 0.00 5.20 1.42 0.10 82.33 17:39:02 2 10.19 0.00 5.88 2.24 0.10 81.59 17:39:02 3 10.17 0.00 5.89 1.78 0.14 82.02 17:40:02 all 11.53 0.00 7.42 4.24 0.17 76.65 17:40:02 0 13.96 0.00 6.94 3.34 0.22 75.54 17:40:02 1 10.84 0.00 7.56 2.54 0.15 78.90 17:40:02 2 10.62 0.00 6.79 5.99 0.15 76.44 17:40:02 3 10.69 0.00 8.39 5.07 0.15 75.69 Average: all 4.19 0.00 2.45 1.21 0.05 92.11 Average: 0 4.52 0.00 2.41 0.99 0.06 92.02 Average: 1 4.13 0.00 2.40 0.94 0.05 92.48 Average: 2 4.02 0.00 2.37 1.49 0.04 92.08 Average: 3 4.08 0.00 2.62 1.40 0.05 91.85