---> uname -a: Linux 99a92274d4fe 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: 2933.436 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-575 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-575@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 672 127 0 1037 1058 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) 08/31/20 _x86_64_ (4 CPU) 19:16:00 LINUX RESTART 19:17:02 tps rtps wtps bread/s bwrtn/s 19:18:01 20.70 4.74 15.96 1508.85 2435.36 19:19:01 1.57 0.00 1.57 0.00 29.82 19:20:01 0.32 0.00 0.32 0.00 4.46 19:21:02 0.27 0.00 0.27 0.00 3.78 19:22:01 0.52 0.00 0.52 0.00 5.89 19:23:01 0.52 0.13 0.38 7.72 8.72 19:24:01 0.55 0.00 0.55 0.00 11.45 19:25:01 0.30 0.00 0.30 0.00 5.24 Average: 3.06 0.60 2.46 187.20 309.28 19:17:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:18:01 155596 1725960 91.73 2620 1123676 1127432 38.48 426600 1139360 24 19:19:01 163008 1718548 91.34 2620 1123680 1081836 36.92 425012 1134828 8 19:20:01 162620 1718936 91.36 2620 1123688 1082004 36.93 427204 1133608 8 19:21:02 160496 1721060 91.47 2620 1123688 1082064 36.93 429556 1133160 8 19:22:01 161356 1720200 91.42 2620 1123692 1081968 36.93 434152 1128056 8 19:23:01 157580 1723976 91.63 2620 1124056 1094064 37.34 436860 1128272 20 19:24:01 157684 1723872 91.62 2620 1124056 1094156 37.34 427440 1137656 20 19:25:01 160284 1721272 91.48 2620 1124072 1082488 36.94 425768 1137648 16 Average: 159828 1721728 91.51 2620 1123826 1090752 37.23 429074 1134074 14 19:17:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:18:01 eth0 63.25 50.82 355.00 49.85 0.00 0.00 0.00 19:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:18:01 docker0 10.28 7.67 1.22 18.40 0.00 0.00 0.00 19:19:01 eth0 0.73 0.08 0.06 0.01 0.00 0.00 0.00 19:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 eth0 1.02 0.30 0.32 0.20 0.00 0.00 0.00 19:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:02 eth0 0.40 0.35 0.26 0.20 0.00 0.00 0.00 19:21:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 eth0 0.68 0.44 0.41 0.27 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 eth0 5.41 3.13 4.87 2.17 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 eth0 2.51 1.38 2.06 1.07 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 eth0 1.22 0.67 0.92 0.48 0.00 0.00 0.00 19:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 9.31 7.07 44.93 6.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.27 0.95 0.15 2.27 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) 08/31/20 _x86_64_ (4 CPU) 19:16:00 LINUX RESTART 19:17:02 CPU %user %nice %system %iowait %steal %idle 19:18:01 all 2.38 0.00 1.48 0.42 0.10 95.62 19:18:01 0 2.44 0.00 1.79 0.10 0.09 95.59 19:18:01 1 2.50 0.00 1.50 1.39 0.09 94.52 19:18:01 2 2.04 0.00 1.29 0.03 0.08 96.55 19:18:01 3 2.54 0.00 1.36 0.14 0.10 95.86 19:19:01 all 0.15 0.00 0.05 0.00 0.01 99.79 19:19:01 0 0.00 0.00 0.03 0.00 0.02 99.95 19:19:01 1 0.20 0.00 0.03 0.00 0.00 99.77 19:19:01 2 0.07 0.00 0.07 0.00 0.03 99.83 19:19:01 3 0.35 0.00 0.05 0.00 0.02 99.58 19:20:01 all 0.15 0.00 0.03 0.00 0.10 99.72 19:20:01 0 0.05 0.00 0.03 0.00 0.05 99.87 19:20:01 1 0.18 0.00 0.03 0.00 0.07 99.72 19:20:01 2 0.33 0.00 0.07 0.00 0.22 99.38 19:20:01 3 0.03 0.00 0.03 0.00 0.07 99.87 19:21:02 all 0.14 0.00 0.04 0.00 0.18 99.63 19:21:02 0 0.05 0.00 0.03 0.00 0.22 99.70 19:21:02 1 0.05 0.00 0.03 0.00 0.15 99.77 19:21:02 2 0.45 0.00 0.05 0.00 0.32 99.19 19:21:02 3 0.02 0.00 0.03 0.00 0.07 99.88 19:22:01 all 0.14 0.00 0.08 0.00 0.33 99.45 19:22:01 0 0.02 0.00 0.05 0.00 0.14 99.80 19:22:01 1 0.05 0.00 0.05 0.00 0.39 99.51 19:22:01 2 0.44 0.00 0.15 0.00 0.41 99.00 19:22:01 3 0.05 0.00 0.07 0.00 0.37 99.51 19:23:01 all 0.20 0.00 0.07 0.00 0.18 99.55 19:23:01 0 0.08 0.00 0.05 0.00 0.08 99.78 19:23:01 1 0.10 0.00 0.07 0.00 0.15 99.68 19:23:01 2 0.45 0.00 0.07 0.00 0.27 99.22 19:23:01 3 0.13 0.00 0.08 0.00 0.22 99.57 19:24:01 all 0.20 0.00 0.07 0.00 0.14 99.59 19:24:01 0 0.05 0.00 0.05 0.00 0.07 99.83 19:24:01 1 0.60 0.00 0.10 0.00 0.18 99.12 19:24:01 2 0.10 0.00 0.05 0.00 0.13 99.72 19:24:01 3 0.08 0.00 0.05 0.00 0.20 99.67 19:25:01 all 0.12 0.00 0.07 0.00 0.46 99.35 19:25:01 0 0.03 0.00 0.02 0.00 0.07 99.88 19:25:01 1 0.05 0.00 0.07 0.00 0.28 99.60 19:25:01 2 0.36 0.00 0.05 0.00 0.99 98.59 19:25:01 3 0.03 0.00 0.13 0.00 0.50 99.34 Average: all 0.43 0.00 0.23 0.05 0.19 99.10 Average: 0 0.33 0.00 0.25 0.01 0.09 99.31 Average: 1 0.46 0.00 0.23 0.17 0.16 98.97 Average: 2 0.53 0.00 0.22 0.00 0.31 98.94 Average: 3 0.40 0.00 0.22 0.02 0.19 99.17