---> uname -a: Linux 5122cca7c258 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: 2933.442 BogoMIPS: 5866.88 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-563 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-563@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 649 118 0 1069 1082 Swap: 1023 0 1023 ---> 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) 08/17/20 _x86_64_ (4 CPU) 06:39:04 LINUX RESTART 06:40:01 tps rtps wtps bread/s bwrtn/s 06:41:01 20.41 4.79 15.62 1139.47 2967.34 06:42:01 1.63 0.00 1.63 0.00 26.54 06:43:01 0.38 0.00 0.38 0.00 6.25 06:44:01 0.25 0.00 0.25 0.00 4.13 06:45:01 0.35 0.00 0.35 0.00 6.00 06:46:02 107.84 76.90 30.94 5482.82 15025.45 Average: 21.82 13.62 8.20 1104.20 3007.28 06:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:41:01 182776 1698780 90.29 2620 1131580 1117100 38.12 425580 1114148 24 06:42:01 188592 1692964 89.98 2620 1131584 1073264 36.63 423544 1110916 16 06:43:01 188120 1693436 90.00 2620 1131592 1073508 36.64 424552 1110920 12 06:44:01 186680 1694876 90.08 2620 1131592 1073328 36.63 427920 1108324 12 06:45:01 186296 1695260 90.10 2620 1131596 1073412 36.63 429036 1107664 16 06:46:02 69496 1812060 96.31 2620 1133500 1506540 51.42 532276 1090420 93480 Average: 166993 1714563 91.12 2620 1131907 1152859 39.34 443818 1107065 15593 06:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:41:01 eth0 40.40 31.73 44.65 41.93 0.00 0.00 0.00 06:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:41:01 docker0 5.86 3.76 0.86 17.50 0.00 0.00 0.00 06:42:01 eth0 1.20 0.08 0.10 0.01 0.00 0.00 0.00 06:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 eth0 1.05 0.72 0.57 0.41 0.00 0.00 0.00 06:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:44:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 06:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 eth0 0.25 0.17 0.14 0.07 0.00 0.00 0.00 06:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:02 eth0 93.73 63.25 2328.20 9.66 0.00 0.00 0.00 06:46:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 22.79 16.01 395.80 8.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.98 0.63 0.14 2.92 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) 08/17/20 _x86_64_ (4 CPU) 06:39:04 LINUX RESTART 06:40:01 CPU %user %nice %system %iowait %steal %idle 06:41:01 all 1.60 0.00 0.88 0.33 0.00 97.20 06:41:01 0 1.79 0.00 1.15 0.43 0.00 96.63 06:41:01 1 1.70 0.00 0.80 0.03 0.00 97.46 06:41:01 2 1.47 0.00 0.92 0.80 0.00 96.80 06:41:01 3 1.42 0.00 0.60 0.02 0.02 97.95 06:42:01 all 0.09 0.00 0.04 0.00 0.00 99.87 06:42:01 0 0.03 0.00 0.05 0.00 0.00 99.92 06:42:01 1 0.05 0.00 0.05 0.00 0.00 99.90 06:42:01 2 0.25 0.00 0.05 0.00 0.00 99.70 06:42:01 3 0.05 0.00 0.05 0.00 0.00 99.90 06:43:01 all 0.17 0.00 0.02 0.00 0.00 99.80 06:43:01 0 0.05 0.00 0.02 0.00 0.00 99.93 06:43:01 1 0.45 0.00 0.03 0.00 0.00 99.52 06:43:01 2 0.13 0.00 0.02 0.00 0.00 99.85 06:43:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:44:01 all 0.14 0.00 0.02 0.00 0.00 99.83 06:44:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:44:01 1 0.52 0.00 0.03 0.00 0.00 99.45 06:44:01 2 0.02 0.00 0.03 0.00 0.00 99.95 06:44:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:45:01 all 0.13 0.00 0.07 0.00 0.00 99.80 06:45:01 0 0.05 0.00 0.03 0.00 0.02 99.90 06:45:01 1 0.17 0.00 0.02 0.00 0.00 99.82 06:45:01 2 0.27 0.00 0.18 0.00 0.00 99.55 06:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 06:46:02 all 4.38 0.00 2.25 1.54 0.00 91.82 06:46:02 0 4.70 0.00 2.16 1.87 0.00 91.27 06:46:02 1 4.02 0.00 2.34 0.45 0.02 93.17 06:46:02 2 4.50 0.00 2.52 2.33 0.02 90.64 06:46:02 3 4.30 0.00 2.03 1.52 0.00 92.15 Average: all 1.08 0.00 0.55 0.31 0.00 98.06 Average: 0 1.10 0.00 0.57 0.38 0.00 97.94 Average: 1 1.15 0.00 0.54 0.08 0.00 98.22 Average: 2 1.10 0.00 0.62 0.52 0.00 97.76 Average: 3 0.98 0.00 0.46 0.26 0.00 98.31