---> uname -a: Linux ff55877d7b6a 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 7.0G 43.0G 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-595 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-595@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 628 141 0 1067 1103 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) 09/21/20 _x86_64_ (4 CPU) 03:42:11 LINUX RESTART (4 CPU) 03:43:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:44:01 26.75 9.42 17.33 0.00 4241.72 2108.26 0.00 03:45:01 1.47 0.00 1.47 0.00 0.00 24.06 0.00 03:46:02 0.43 0.00 0.43 0.00 0.00 6.40 0.00 03:47:01 0.25 0.00 0.25 0.00 0.00 2.61 0.00 03:48:01 0.25 0.00 0.25 0.00 0.00 3.00 0.00 03:49:01 0.35 0.02 0.33 0.00 0.13 4.10 0.00 Average: 4.93 1.58 3.35 0.00 709.20 359.19 0.00 03:43:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:44:01 169048 0 547756 29.11 2620 1162132 1105312 37.72 419576 1132496 20 03:45:01 173064 0 543736 28.90 2620 1162136 1081008 36.89 418820 1129956 8 03:46:02 173504 0 543288 28.87 2620 1162144 1073016 36.62 418904 1129772 8 03:47:01 172216 0 544576 28.94 2620 1162144 1072956 36.62 421032 1129104 8 03:48:01 172696 0 544092 28.92 2620 1162148 1072932 36.62 421188 1128560 12 03:49:01 169900 0 546876 29.07 2620 1162160 1072872 36.62 424956 1127356 12 Average: 171738 0 545054 28.97 2620 1162144 1079683 36.85 420746 1129541 11 03:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:44:01 eth0 84.05 70.02 354.83 52.99 0.00 0.00 0.00 0.00 03:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:44:01 docker0 7.57 5.46 1.05 18.31 0.00 0.00 0.00 0.00 03:45:01 eth0 1.30 0.40 0.52 0.25 0.00 0.00 0.00 0.00 03:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:02 eth0 0.95 0.47 0.34 0.21 0.00 0.00 0.00 0.00 03:46:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 eth0 0.66 0.34 0.29 0.20 0.00 0.00 0.00 0.00 03:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 0.00 03:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 eth0 0.22 0.17 0.07 0.01 0.00 0.00 0.00 0.00 03:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 14.61 11.96 59.54 8.98 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.27 0.91 0.18 3.06 0.00 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) 09/21/20 _x86_64_ (4 CPU) 03:42:11 LINUX RESTART (4 CPU) 03:43:01 CPU %user %nice %system %iowait %steal %idle 03:44:01 all 2.36 0.00 1.50 0.73 0.00 95.41 03:44:01 0 2.19 0.00 1.82 2.17 0.00 93.81 03:44:01 1 3.26 0.00 1.25 0.12 0.02 95.35 03:44:01 2 2.12 0.00 1.45 0.20 0.00 96.22 03:44:01 3 1.87 0.00 1.45 0.42 0.00 96.26 03:45:01 all 0.15 0.00 0.05 0.00 0.00 99.80 03:45:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:45:01 1 0.45 0.00 0.05 0.00 0.00 99.50 03:45:01 2 0.05 0.00 0.03 0.00 0.00 99.92 03:45:01 3 0.05 0.00 0.07 0.00 0.00 99.88 03:46:02 all 0.15 0.00 0.04 0.00 0.00 99.82 03:46:02 0 0.02 0.00 0.03 0.00 0.00 99.95 03:46:02 1 0.47 0.00 0.05 0.00 0.00 99.48 03:46:02 2 0.05 0.00 0.03 0.00 0.00 99.92 03:46:02 3 0.05 0.00 0.03 0.00 0.00 99.92 03:47:01 all 0.14 0.00 0.03 0.00 0.00 99.82 03:47:01 0 0.00 0.00 0.02 0.00 0.02 99.97 03:47:01 1 0.52 0.00 0.05 0.00 0.00 99.42 03:47:01 2 0.03 0.00 0.05 0.00 0.00 99.92 03:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 03:48:01 all 0.15 0.00 0.04 0.00 0.00 99.80 03:48:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:48:01 1 0.53 0.00 0.10 0.00 0.00 99.37 03:48:01 2 0.03 0.00 0.02 0.00 0.00 99.95 03:48:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:49:01 all 0.15 0.00 0.04 0.00 0.00 99.81 03:49:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:49:01 1 0.52 0.00 0.10 0.00 0.00 99.38 03:49:01 2 0.03 0.00 0.02 0.00 0.00 99.95 03:49:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.52 0.00 0.28 0.12 0.00 99.08 Average: 0 0.38 0.00 0.33 0.36 0.00 98.92 Average: 1 0.96 0.00 0.27 0.02 0.00 98.75 Average: 2 0.39 0.00 0.27 0.03 0.00 99.31 Average: 3 0.34 0.00 0.27 0.07 0.00 99.32