---> uname -a: Linux c5c4cbf8368d 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 762 121 0 952 1005 Swap: 1023 3 1020 ---> 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) 08/10/20 _x86_64_ (4 CPU) 16:48:53 LINUX RESTART 16:50:02 tps rtps wtps bread/s bwrtn/s 16:51:01 43.54 10.51 33.03 4432.35 2377.02 16:52:01 1.70 0.00 1.70 0.00 31.22 16:53:01 0.27 0.00 0.27 0.00 3.51 16:54:01 0.27 0.00 0.27 0.00 3.46 16:55:01 212.98 130.24 82.74 5585.35 30725.70 16:56:01 238.58 96.29 142.29 4984.51 32992.85 Average: 83.04 39.60 43.44 2495.93 11052.58 16:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:51:01 163072 1718484 91.33 2620 1172340 1129388 38.54 414168 1143008 124 16:52:01 167708 1713848 91.09 2620 1172344 1096136 37.41 412704 1140936 12 16:53:01 170860 1710696 90.92 2620 1172352 1063408 36.29 411108 1140264 8 16:54:01 168448 1713108 91.05 2620 1172356 1063480 36.29 418580 1134944 8 16:55:01 89172 1792384 95.26 2620 1115676 1417264 48.37 516648 1070380 9668 16:56:01 230800 1650756 87.73 1660 929768 1152068 39.32 600444 768032 8 Average: 165010 1716546 91.23 2460 1122473 1153624 39.37 462275 1066261 1638 16:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:51:01 eth0 72.83 63.30 470.01 54.52 0.00 0.00 0.00 16:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:01 docker0 6.99 5.35 1.00 17.65 0.00 0.00 0.00 16:52:01 eth0 1.70 0.97 2.80 0.07 0.00 0.00 0.00 16:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 eth0 0.87 0.37 0.31 0.20 0.00 0.00 0.00 16:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 eth0 0.43 0.42 0.27 0.20 0.00 0.00 0.00 16:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 eth0 129.78 90.30 3813.40 14.64 0.00 0.00 0.00 16:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 veth9b96d5d 18.54 18.14 2.17 45.22 0.00 0.00 0.00 16:55:01 docker0 25.42 23.29 2.90 62.57 0.00 0.00 0.00 16:56:01 eth0 186.32 122.08 3413.78 41.63 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 25.97 34.00 1.55 186.63 0.00 0.00 0.00 Average: eth0 65.34 46.22 1286.31 18.45 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.59 9.58 0.74 41.69 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) 08/10/20 _x86_64_ (4 CPU) 16:48:53 LINUX RESTART 16:50:02 CPU %user %nice %system %iowait %steal %idle 16:51:01 all 2.92 0.00 1.79 1.34 4.31 89.65 16:51:01 0 1.81 0.00 1.91 0.15 4.64 91.49 16:51:01 1 2.65 0.00 1.82 1.43 3.90 90.21 16:51:01 2 3.46 0.00 1.70 0.54 4.78 89.51 16:51:01 3 3.78 0.00 1.72 3.25 3.88 87.37 16:52:01 all 0.11 0.00 0.05 0.00 0.26 99.58 16:52:01 0 0.02 0.00 0.05 0.00 0.15 99.78 16:52:01 1 0.02 0.00 0.02 0.00 0.30 99.67 16:52:01 2 0.07 0.00 0.08 0.00 0.38 99.47 16:52:01 3 0.33 0.00 0.05 0.00 0.23 99.38 16:53:01 all 0.12 0.00 0.03 0.00 0.09 99.76 16:53:01 0 0.02 0.00 0.02 0.00 0.03 99.93 16:53:01 1 0.03 0.00 0.03 0.00 0.08 99.85 16:53:01 2 0.07 0.00 0.03 0.00 0.17 99.73 16:53:01 3 0.37 0.00 0.03 0.00 0.05 99.55 16:54:01 all 0.10 0.00 0.04 0.00 0.06 99.81 16:54:01 0 0.02 0.00 0.02 0.00 0.03 99.93 16:54:01 1 0.02 0.00 0.03 0.00 0.03 99.92 16:54:01 2 0.07 0.00 0.07 0.00 0.13 99.73 16:54:01 3 0.28 0.00 0.03 0.00 0.03 99.65 16:55:01 all 5.41 0.00 3.54 1.22 6.67 83.15 16:55:01 0 4.32 0.00 3.12 1.03 7.14 84.38 16:55:01 1 5.19 0.00 3.79 1.16 6.44 83.42 16:55:01 2 5.30 0.00 3.47 1.76 6.54 82.93 16:55:01 3 6.86 0.00 3.82 0.93 6.56 81.82 16:56:01 all 8.63 0.00 5.94 3.14 13.82 68.48 16:56:01 0 7.10 0.00 4.85 3.62 14.89 69.55 16:56:01 1 8.19 0.00 6.36 1.39 12.76 71.30 16:56:01 2 8.59 0.00 5.46 2.02 13.63 70.29 16:56:01 3 10.67 0.00 7.06 5.51 13.99 62.76 Average: all 2.86 0.00 1.88 0.94 4.17 90.14 Average: 0 2.21 0.00 1.66 0.80 4.48 90.85 Average: 1 2.67 0.00 2.00 0.66 3.90 90.78 Average: 2 2.89 0.00 1.78 0.71 4.23 90.38 Average: 3 3.67 0.00 2.09 1.60 4.07 88.56