---> uname -a: Linux f0d8ca9ffb6a 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 7.2G 42.8G 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-567 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-567@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 632 116 0 1087 1099 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) 08/18/20 _x86_64_ (4 CPU) 04:24:12 LINUX RESTART 04:25:01 tps rtps wtps bread/s bwrtn/s 04:26:02 64.25 19.26 44.99 5298.74 4988.17 04:27:01 1.90 0.00 1.90 0.00 39.69 04:28:01 0.50 0.00 0.50 0.00 8.43 04:29:01 0.15 0.00 0.15 0.00 1.87 04:30:01 0.25 0.00 0.25 0.00 3.28 04:31:01 0.30 0.00 0.30 0.00 4.46 04:32:01 0.22 0.02 0.20 0.13 1.62 Average: 9.68 2.76 6.92 759.47 723.34 04:25:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:26:02 167248 1714308 91.11 2620 1157768 1103372 37.66 427324 1126596 120 04:27:01 176520 1705036 90.62 2620 1157772 1030640 35.17 422704 1123460 20 04:28:01 177792 1703764 90.55 2620 1157780 1019332 34.79 425276 1119972 16 04:29:01 174560 1706996 90.72 2620 1157780 1019576 34.80 429264 1119516 16 04:30:01 175984 1705572 90.65 2620 1157788 1019400 34.79 430940 1116468 16 04:31:01 172328 1709228 90.84 2620 1157792 1019728 34.80 451176 1099776 8 04:32:01 172740 1708816 90.82 2620 1157796 1019656 34.80 451060 1099776 8 Average: 173882 1707674 90.76 2620 1157782 1033101 35.26 433963 1115081 29 04:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:26:02 eth0 218.78 170.96 1036.54 105.66 0.00 0.00 0.00 04:26:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:26:02 docker0 5.44 3.96 0.85 17.63 0.00 0.00 0.00 04:27:01 eth0 0.30 0.41 0.35 0.07 0.00 0.00 0.00 04:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:28:01 eth0 1.25 0.02 0.11 0.00 0.00 0.00 0.00 04:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:29:01 eth0 0.78 0.65 0.52 0.37 0.00 0.00 0.00 04:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:01 eth0 0.10 0.10 0.01 0.04 0.00 0.00 0.00 04:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:31:01 eth0 0.32 0.25 0.14 0.08 0.00 0.00 0.00 04:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:32:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 04:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 31.76 24.72 148.73 15.23 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.78 0.57 0.12 2.53 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) 08/18/20 _x86_64_ (4 CPU) 04:24:12 LINUX RESTART 04:25:01 CPU %user %nice %system %iowait %steal %idle 04:26:02 all 11.73 0.00 4.42 1.63 17.44 64.78 04:26:02 0 8.57 0.00 4.42 0.70 19.50 66.81 04:26:02 1 12.61 0.00 4.55 2.05 17.01 63.78 04:26:02 2 13.75 0.00 4.05 1.75 16.50 63.94 04:26:02 3 12.15 0.00 4.70 2.06 16.64 64.45 04:27:01 all 0.10 0.00 0.06 0.00 0.19 99.65 04:27:01 0 0.08 0.00 0.07 0.00 0.32 99.53 04:27:01 1 0.17 0.00 0.05 0.00 0.14 99.64 04:27:01 2 0.12 0.00 0.05 0.00 0.25 99.58 04:27:01 3 0.05 0.00 0.05 0.00 0.03 99.86 04:28:01 all 0.12 0.00 0.04 0.00 0.31 99.53 04:28:01 0 0.25 0.00 0.03 0.00 0.50 99.22 04:28:01 1 0.15 0.00 0.03 0.00 0.17 99.65 04:28:01 2 0.03 0.00 0.05 0.00 0.43 99.48 04:28:01 3 0.03 0.00 0.03 0.00 0.20 99.73 04:29:01 all 0.16 0.00 0.02 0.00 0.09 99.73 04:29:01 0 0.05 0.00 0.03 0.00 0.12 99.80 04:29:01 1 0.47 0.00 0.03 0.00 0.08 99.42 04:29:01 2 0.07 0.00 0.03 0.00 0.12 99.78 04:29:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:30:01 all 0.08 0.00 0.04 0.00 0.15 99.73 04:30:01 0 0.03 0.00 0.02 0.00 0.12 99.83 04:30:01 1 0.23 0.00 0.05 0.00 0.18 99.53 04:30:01 2 0.05 0.00 0.07 0.00 0.23 99.65 04:30:01 3 0.02 0.00 0.02 0.00 0.07 99.90 04:31:01 all 0.10 0.00 0.07 0.00 0.15 99.68 04:31:01 0 0.02 0.00 0.02 0.00 0.13 99.83 04:31:01 1 0.35 0.00 0.07 0.00 0.18 99.40 04:31:01 2 0.02 0.00 0.15 0.00 0.17 99.67 04:31:01 3 0.03 0.00 0.05 0.00 0.13 99.78 04:32:01 all 0.13 0.00 0.02 0.00 0.12 99.73 04:32:01 0 0.03 0.00 0.03 0.00 0.10 99.83 04:32:01 1 0.43 0.00 0.03 0.00 0.15 99.38 04:32:01 2 0.02 0.00 0.03 0.00 0.05 99.90 04:32:01 3 0.02 0.00 0.03 0.00 0.17 99.78 Average: all 1.82 0.00 0.68 0.24 2.70 94.56 Average: 0 1.36 0.00 0.70 0.11 3.13 94.70 Average: 1 2.10 0.00 0.70 0.30 2.61 94.29 Average: 2 2.02 0.00 0.64 0.25 2.56 94.53 Average: 3 1.78 0.00 0.71 0.30 2.49 94.73