---> uname -a: Linux 3a090fc68e72 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% /w/workspace/dgexfoundry_device-sdk-go_PR-556 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-556@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 625 130 0 1081 1106 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) 07/21/20 _x86_64_ (4 CPU) 02:48:47 LINUX RESTART 02:50:02 tps rtps wtps bread/s bwrtn/s 02:51:01 8.82 1.59 7.23 103.82 230.44 02:52:01 0.32 0.00 0.32 0.00 4.46 02:53:01 0.27 0.00 0.27 0.00 3.76 02:54:01 0.23 0.00 0.23 0.00 2.96 02:55:01 0.25 0.00 0.25 0.00 3.50 02:56:02 104.14 67.10 37.04 5356.76 16280.35 Average: 19.04 11.48 7.56 912.67 2762.27 02:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:51:01 165664 1715892 91.20 2620 1169492 1134460 38.72 392560 1162256 20 02:52:01 173924 1707632 90.76 2620 1169496 1066992 36.41 389904 1157492 12 02:53:01 173088 1708468 90.80 2620 1169504 1067224 36.42 390884 1157492 20 02:54:01 172696 1708860 90.82 2620 1169504 1067056 36.42 394072 1154932 12 02:55:01 169880 1711676 90.97 2620 1169512 1067164 36.42 399456 1152884 8 02:56:02 147768 1733788 92.15 2620 1111220 1265744 43.20 442452 1087020 82200 Average: 167170 1714386 91.12 2620 1159788 1111440 37.93 401555 1145346 13712 02:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:51:01 eth0 29.53 26.57 38.83 42.67 0.00 0.00 0.00 02:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:51:01 docker0 8.53 6.46 1.25 18.40 0.00 0.00 0.00 02:52:01 eth0 0.68 0.08 0.06 0.01 0.00 0.00 0.00 02:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:53:01 eth0 1.23 0.68 0.57 0.37 0.00 0.00 0.00 02:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:54:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 02:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:55:01 eth0 0.23 0.22 0.08 0.07 0.00 0.00 0.00 02:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:56:02 eth0 71.31 52.25 2328.98 10.28 0.00 0.00 0.00 02:56:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:56:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.15 13.28 395.89 8.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.40 1.06 0.21 3.03 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) 07/21/20 _x86_64_ (4 CPU) 02:48:47 LINUX RESTART 02:50:02 CPU %user %nice %system %iowait %steal %idle 02:51:01 all 1.43 0.00 0.65 0.06 1.10 96.75 02:51:01 0 1.43 0.00 0.70 0.00 1.19 96.69 02:51:01 1 1.31 0.00 0.63 0.15 0.92 96.99 02:51:01 2 1.70 0.00 0.76 0.03 1.10 96.40 02:51:01 3 1.27 0.00 0.53 0.05 1.19 96.96 02:52:01 all 0.15 0.00 0.06 0.00 0.08 99.72 02:52:01 0 0.05 0.00 0.05 0.00 0.07 99.83 02:52:01 1 0.45 0.00 0.07 0.00 0.12 99.37 02:52:01 2 0.05 0.00 0.07 0.00 0.08 99.80 02:52:01 3 0.03 0.00 0.03 0.00 0.05 99.88 02:53:01 all 0.12 0.00 0.03 0.00 0.28 99.57 02:53:01 0 0.02 0.00 0.02 0.00 0.08 99.88 02:53:01 1 0.37 0.00 0.05 0.00 0.52 99.07 02:53:01 2 0.03 0.00 0.05 0.00 0.28 99.63 02:53:01 3 0.05 0.00 0.03 0.00 0.27 99.65 02:54:01 all 0.13 0.00 0.03 0.00 0.05 99.80 02:54:01 0 0.05 0.00 0.07 0.00 0.03 99.85 02:54:01 1 0.42 0.00 0.03 0.00 0.05 99.50 02:54:01 2 0.03 0.00 0.02 0.00 0.02 99.93 02:54:01 3 0.02 0.00 0.00 0.00 0.08 99.90 02:55:01 all 0.12 0.00 0.03 0.00 0.12 99.72 02:55:01 0 0.02 0.00 0.05 0.00 0.10 99.83 02:55:01 1 0.37 0.00 0.02 0.00 0.18 99.43 02:55:01 2 0.05 0.00 0.03 0.00 0.13 99.78 02:55:01 3 0.05 0.00 0.05 0.00 0.07 99.83 02:56:02 all 4.29 0.00 2.50 1.53 3.49 88.19 02:56:02 0 3.66 0.00 2.80 0.97 3.34 89.23 02:56:02 1 4.23 0.00 2.32 1.18 3.52 88.75 02:56:02 2 5.44 0.00 2.58 2.58 3.58 85.82 02:56:02 3 3.85 0.00 2.23 1.38 3.54 88.99 Average: all 1.03 0.00 0.55 0.26 0.85 97.31 Average: 0 0.86 0.00 0.61 0.16 0.79 97.58 Average: 1 1.18 0.00 0.52 0.22 0.88 97.20 Average: 2 1.21 0.00 0.58 0.43 0.86 96.92 Average: 3 0.87 0.00 0.47 0.24 0.86 97.56