---> uname -a: Linux c95e26c73ca6 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-570 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-570@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 661 123 0 1052 1069 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) 08/24/20 _x86_64_ (4 CPU) 04:36:37 LINUX RESTART 04:38:01 tps rtps wtps bread/s bwrtn/s 04:39:01 6.71 1.98 4.73 104.01 198.82 04:40:01 1.50 0.00 1.50 0.00 26.09 04:41:01 0.30 0.00 0.30 0.00 3.80 04:42:01 0.27 0.00 0.27 0.00 2.98 04:43:01 121.98 80.52 41.46 6612.71 16739.33 Average: 26.16 16.51 9.66 1344.09 3396.10 04:38:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:39:01 148864 1732692 92.09 2620 1141616 1130848 38.59 465020 1107108 16 04:40:01 158396 1723160 91.58 2620 1141620 1071440 36.57 458768 1104968 12 04:41:01 156460 1725096 91.68 2620 1141628 1071644 36.57 461676 1104356 8 04:42:01 156408 1725148 91.69 2620 1141628 1071656 36.57 468100 1098152 8 04:43:01 127468 1754088 93.23 2620 1129360 1081656 36.91 437848 1117856 87012 Average: 149519 1732037 92.05 2620 1139170 1085449 37.04 458282 1106488 17411 04:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:39:01 eth0 25.57 22.19 34.87 45.21 0.00 0.00 0.00 04:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:39:01 docker0 6.33 4.23 0.91 17.65 0.00 0.00 0.00 04:40:01 eth0 0.65 0.08 0.06 0.01 0.00 0.00 0.00 04:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 eth0 1.27 0.72 0.91 0.23 0.00 0.00 0.00 04:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 eth0 0.53 0.45 0.30 0.21 0.00 0.00 0.00 04:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 eth0 96.42 54.98 2329.70 10.87 0.00 0.00 0.00 04:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 24.90 15.69 473.43 11.31 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 0.85 0.18 3.53 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) 08/24/20 _x86_64_ (4 CPU) 04:36:37 LINUX RESTART 04:38:01 CPU %user %nice %system %iowait %steal %idle 04:39:01 all 1.06 0.00 0.50 0.04 1.18 97.22 04:39:01 0 1.03 0.00 0.55 0.02 1.15 97.25 04:39:01 1 0.90 0.00 0.57 0.03 1.35 97.14 04:39:01 2 1.11 0.00 0.38 0.02 1.21 97.27 04:39:01 3 1.17 0.00 0.48 0.08 1.00 97.26 04:40:01 all 0.12 0.00 0.05 0.00 0.06 99.77 04:40:01 0 0.38 0.00 0.05 0.00 0.05 99.52 04:40:01 1 0.05 0.00 0.05 0.00 0.10 99.80 04:40:01 2 0.07 0.00 0.07 0.00 0.07 99.80 04:40:01 3 0.02 0.00 0.02 0.00 0.02 99.95 04:41:01 all 0.11 0.00 0.05 0.00 0.07 99.77 04:41:01 0 0.13 0.00 0.03 0.00 0.03 99.80 04:41:01 1 0.03 0.00 0.02 0.00 0.02 99.93 04:41:01 2 0.23 0.00 0.12 0.00 0.22 99.43 04:41:01 3 0.05 0.00 0.05 0.00 0.00 99.90 04:42:01 all 0.13 0.00 0.05 0.00 0.05 99.77 04:42:01 0 0.02 0.00 0.02 0.00 0.02 99.95 04:42:01 1 0.05 0.00 0.05 0.00 0.05 99.85 04:42:01 2 0.45 0.00 0.12 0.00 0.10 99.33 04:42:01 3 0.03 0.00 0.02 0.00 0.03 99.92 04:43:01 all 4.01 0.00 2.30 1.02 5.70 86.98 04:43:01 0 3.12 0.00 1.90 0.25 5.81 88.93 04:43:01 1 4.10 0.00 2.23 0.55 6.03 87.09 04:43:01 2 3.90 0.00 2.40 1.76 5.85 86.09 04:43:01 3 4.93 0.00 2.68 1.51 5.10 85.78 Average: all 1.08 0.00 0.59 0.21 1.40 96.72 Average: 0 0.93 0.00 0.51 0.05 1.40 97.10 Average: 1 1.02 0.00 0.58 0.12 1.50 96.77 Average: 2 1.15 0.00 0.61 0.35 1.48 96.40 Average: 3 1.23 0.00 0.64 0.31 1.22 96.60