---> uname -a: Linux d2df6e4dffdc 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 7.0G 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-584 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-584@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 650 130 0 1056 1081 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) 09/22/20 _x86_64_ (4 CPU) 18:44:39 LINUX RESTART (4 CPU) 18:45:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:46:02 186.83 97.40 89.43 0.00 11568.74 40319.89 0.00 18:47:01 3.76 0.00 3.76 0.00 0.00 119.18 0.00 18:48:01 0.53 0.00 0.53 0.00 0.00 8.04 0.00 18:49:01 0.17 0.00 0.17 0.00 0.00 2.28 0.00 18:50:01 0.23 0.00 0.23 0.00 0.00 3.48 0.00 18:51:01 0.32 0.00 0.32 0.00 0.00 4.43 0.00 18:52:01 0.33 0.02 0.32 0.00 0.13 3.51 0.00 Average: 27.52 13.96 13.57 0.00 1657.50 5796.64 0.00 18:45:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:46:02 166920 0 569068 30.24 2620 1142948 1100600 37.56 433596 1118724 120 18:47:01 166980 0 568976 30.24 2620 1142980 1100336 37.55 434236 1117928 12 18:48:01 169280 0 566668 30.12 2620 1142988 1081832 36.92 432760 1117424 20 18:49:01 166408 0 569540 30.27 2620 1142988 1081784 36.92 436444 1116704 8 18:50:01 166488 0 569456 30.27 2620 1142992 1081924 36.92 448900 1104520 8 18:51:01 166500 0 569436 30.26 2620 1143000 1081948 36.92 448920 1104508 8 18:52:01 167956 0 567976 30.19 2620 1143004 1068548 36.47 447928 1104144 8 Average: 167219 0 568731 30.23 2620 1142986 1085282 37.04 440398 1111993 26 18:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:46:02 eth0 507.92 340.66 1078.25 117.45 0.00 0.00 0.00 0.00 18:46:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:02 docker0 9.34 7.24 1.21 18.49 0.00 0.00 0.00 0.00 18:47:01 eth0 2.34 0.76 0.71 0.39 0.00 0.00 0.00 0.00 18:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 eth0 3.63 0.87 1.02 0.59 0.00 0.00 0.00 0.00 18:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 eth0 2.70 0.68 0.68 0.41 0.00 0.00 0.00 0.00 18:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 eth0 1.83 0.65 0.63 0.41 0.00 0.00 0.00 0.00 18:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 eth0 1.08 0.77 0.61 0.50 0.00 0.00 0.00 0.00 18:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 0.00 18:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 74.44 49.35 155.01 17.16 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 1.34 1.04 0.17 2.65 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) 09/22/20 _x86_64_ (4 CPU) 18:44:39 LINUX RESTART (4 CPU) 18:45:01 CPU %user %nice %system %iowait %steal %idle 18:46:02 all 16.79 0.00 7.65 8.08 0.04 67.44 18:46:02 0 17.65 0.00 7.66 7.04 0.05 67.59 18:46:02 1 17.68 0.00 6.63 7.38 0.03 68.28 18:46:02 2 15.97 0.00 9.16 11.54 0.03 63.30 18:46:02 3 15.86 0.00 7.17 6.36 0.03 70.58 18:47:01 all 0.08 0.00 0.04 0.00 0.00 99.88 18:47:01 0 0.10 0.00 0.03 0.00 0.00 99.86 18:47:01 1 0.10 0.00 0.08 0.00 0.00 99.81 18:47:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:47:01 3 0.07 0.00 0.02 0.00 0.00 99.92 18:48:01 all 0.19 0.00 0.04 0.00 0.00 99.77 18:48:01 0 0.52 0.00 0.03 0.00 0.00 99.45 18:48:01 1 0.08 0.00 0.07 0.00 0.00 99.85 18:48:01 2 0.10 0.00 0.02 0.00 0.00 99.88 18:48:01 3 0.07 0.00 0.03 0.00 0.00 99.90 18:49:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:49:01 0 0.53 0.00 0.03 0.00 0.00 99.43 18:49:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:49:01 2 0.02 0.00 0.03 0.00 0.00 99.95 18:49:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:50:01 all 0.17 0.00 0.05 0.00 0.00 99.78 18:50:01 0 0.48 0.00 0.05 0.00 0.00 99.47 18:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:50:01 2 0.07 0.00 0.10 0.00 0.00 99.83 18:50:01 3 0.08 0.00 0.03 0.00 0.00 99.88 18:51:01 all 0.17 0.00 0.03 0.00 0.00 99.80 18:51:01 0 0.52 0.00 0.00 0.00 0.00 99.48 18:51:01 1 0.07 0.00 0.02 0.00 0.00 99.92 18:51:01 2 0.03 0.00 0.08 0.00 0.00 99.88 18:51:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:52:01 all 0.15 0.00 0.02 0.00 0.00 99.83 18:52:01 0 0.52 0.00 0.03 0.00 0.00 99.45 18:52:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:52:01 2 0.02 0.00 0.02 0.00 0.00 99.97 18:52:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 2.51 0.00 1.12 1.15 0.01 95.22 Average: 0 2.89 0.00 1.11 1.00 0.01 94.99 Average: 1 2.56 0.00 0.97 1.05 0.00 95.41 Average: 2 2.30 0.00 1.34 1.63 0.00 94.72 Average: 3 2.30 0.00 1.04 0.90 0.00 95.76