---> uname -a: Linux 716d4091147a 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-571@tmp /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-571 ---> free -m: total used free shared buff/cache available Mem: 1837 638 117 0 1081 1092 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) 08/26/20 _x86_64_ (4 CPU) 07:50:19 LINUX RESTART 07:51:01 tps rtps wtps bread/s bwrtn/s 07:52:01 47.32 13.05 34.27 4494.41 2336.30 07:53:01 1.62 0.00 1.62 0.00 29.49 07:54:01 0.25 0.00 0.25 0.00 3.15 07:55:01 0.33 0.00 0.33 0.00 4.06 07:56:01 0.23 0.00 0.23 0.00 3.05 07:57:01 43.22 42.85 0.37 4392.21 4.21 Average: 15.50 9.32 6.18 1481.68 396.83 07:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:52:01 169464 1712092 90.99 2620 1151964 1107572 37.80 420416 1131040 20 07:53:01 173692 1707864 90.77 2620 1151968 1071952 36.58 419596 1128552 8 07:54:01 173404 1708152 90.78 2620 1151976 1072116 36.59 420064 1128548 12 07:55:01 171568 1709988 90.88 2620 1151976 1072224 36.59 422632 1127908 8 07:56:01 171776 1709780 90.87 2620 1151980 1072116 36.59 429112 1121316 16 07:57:01 101544 1780012 94.60 2620 1184644 1281336 43.73 472396 1145228 86796 Average: 160241 1721315 91.48 2620 1157418 1112886 37.98 430703 1130432 14477 07:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:52:01 eth0 164.16 118.03 499.32 69.76 0.00 0.00 0.00 07:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:52:01 docker0 8.90 6.94 1.11 18.05 0.00 0.00 0.00 07:53:01 eth0 0.78 0.02 0.06 0.00 0.00 0.00 0.00 07:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 eth0 1.35 0.68 1.00 0.22 0.00 0.00 0.00 07:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 eth0 0.72 0.50 0.33 0.24 0.00 0.00 0.00 07:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 eth0 0.22 0.22 0.08 0.07 0.00 0.00 0.00 07:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 eth0 51.04 38.13 1446.98 5.36 0.00 0.00 0.00 07:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 36.39 26.27 324.77 12.61 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.48 1.16 0.18 3.01 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) 08/26/20 _x86_64_ (4 CPU) 07:50:19 LINUX RESTART 07:51:01 CPU %user %nice %system %iowait %steal %idle 07:52:01 all 3.70 0.00 2.01 1.33 0.01 92.95 07:52:01 0 3.99 0.00 2.13 1.67 0.02 92.20 07:52:01 1 3.62 0.00 2.05 2.02 0.02 92.28 07:52:01 2 4.05 0.00 2.19 1.49 0.00 92.27 07:52:01 3 3.16 0.00 1.67 0.10 0.02 95.05 07:53:01 all 0.14 0.00 0.04 0.00 0.00 99.82 07:53:01 0 0.02 0.00 0.03 0.00 0.00 99.95 07:53:01 1 0.48 0.00 0.03 0.00 0.00 99.48 07:53:01 2 0.05 0.00 0.07 0.00 0.00 99.88 07:53:01 3 0.03 0.00 0.02 0.00 0.00 99.95 07:54:01 all 0.17 0.00 0.03 0.00 0.00 99.79 07:54:01 0 0.05 0.00 0.03 0.00 0.00 99.92 07:54:01 1 0.52 0.00 0.05 0.00 0.00 99.43 07:54:01 2 0.08 0.00 0.05 0.00 0.02 99.85 07:54:01 3 0.03 0.00 0.02 0.00 0.00 99.95 07:55:01 all 0.16 0.00 0.03 0.00 0.00 99.81 07:55:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:55:01 1 0.55 0.00 0.03 0.00 0.00 99.42 07:55:01 2 0.05 0.00 0.03 0.00 0.00 99.92 07:55:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:56:01 all 0.13 0.00 0.06 0.00 0.00 99.80 07:56:01 0 0.03 0.00 0.03 0.00 0.02 99.92 07:56:01 1 0.33 0.00 0.15 0.00 0.00 99.52 07:56:01 2 0.05 0.00 0.02 0.00 0.00 99.93 07:56:01 3 0.13 0.00 0.03 0.00 0.00 99.83 07:57:01 all 1.25 0.00 0.56 0.97 0.00 97.22 07:57:01 0 1.47 0.00 0.73 0.62 0.00 97.18 07:57:01 1 1.03 0.00 0.47 0.40 0.00 98.10 07:57:01 2 1.50 0.00 0.73 2.80 0.00 94.96 07:57:01 3 0.97 0.00 0.30 0.07 0.00 98.67 Average: all 0.92 0.00 0.46 0.38 0.00 98.24 Average: 0 0.93 0.00 0.50 0.38 0.01 98.19 Average: 1 1.09 0.00 0.46 0.40 0.00 98.04 Average: 2 0.96 0.00 0.51 0.71 0.00 97.81 Average: 3 0.72 0.00 0.34 0.03 0.00 98.90