---> uname -a: Linux 8f7f7c0cc832 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-553 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 658 125 0 1053 1073 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) 08/18/20 _x86_64_ (4 CPU) 10:41:00 LINUX RESTART 10:42:01 tps rtps wtps bread/s bwrtn/s 10:43:01 44.47 11.18 33.28 4486.74 2254.73 10:44:01 0.28 0.00 0.28 0.00 4.93 10:45:02 0.20 0.00 0.20 0.00 2.16 10:46:01 0.27 0.00 0.27 0.00 3.40 10:47:01 0.28 0.00 0.28 0.00 3.60 10:48:01 0.27 0.00 0.27 0.00 3.63 10:49:01 151.82 90.11 61.71 7253.39 20057.65 Average: 28.30 14.51 13.79 1681.80 3198.83 10:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:43:01 156428 1725128 91.69 2620 1139616 1145008 39.08 413820 1150972 24 10:44:01 164292 1717264 91.27 2620 1139620 1068424 36.46 411840 1146352 8 10:45:02 164440 1717116 91.26 2620 1139628 1068472 36.47 412200 1146356 8 10:46:01 164076 1717480 91.28 2620 1139628 1068612 36.47 415328 1143684 8 10:47:01 164384 1717172 91.26 2620 1139632 1068612 36.47 422480 1136552 20 10:48:01 164928 1716628 91.23 2620 1139640 1068444 36.46 421500 1136552 16 10:49:01 152040 1729516 91.92 2620 1055308 1403656 47.90 463080 1066840 36 Average: 161513 1720043 91.42 2620 1127582 1127318 38.47 422893 1132473 17 10:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:43:01 eth0 80.48 61.44 462.85 56.77 0.00 0.00 0.00 10:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:43:01 docker0 5.72 5.36 0.80 17.64 0.00 0.00 0.00 10:44:01 eth0 1.48 0.67 2.79 0.05 0.00 0.00 0.00 10:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:45:02 eth0 0.98 0.53 0.35 0.21 0.00 0.00 0.00 10:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:45:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:46:01 eth0 0.54 0.32 0.29 0.20 0.00 0.00 0.00 10:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:47:01 eth0 0.30 0.22 0.18 0.07 0.00 0.00 0.00 10:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 10:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 veth5d4f2e2 0.00 0.05 0.00 0.00 0.00 0.00 0.00 10:49:01 eth0 358.31 243.68 3443.17 119.29 0.00 0.00 0.00 10:49:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 10:49:01 docker0 5.72 5.36 0.80 17.64 0.00 0.00 0.00 Average: veth5d4f2e2 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 51.33 34.91 493.24 17.09 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.77 0.12 2.53 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) 08/18/20 _x86_64_ (4 CPU) 10:41:00 LINUX RESTART 10:42:01 CPU %user %nice %system %iowait %steal %idle 10:43:01 all 3.23 0.00 1.96 1.75 3.99 89.07 10:43:01 0 3.45 0.00 2.32 1.80 4.30 88.13 10:43:01 1 2.61 0.00 1.77 2.56 4.10 88.96 10:43:01 2 3.92 0.00 1.80 1.20 3.72 89.37 10:43:01 3 2.96 0.00 1.96 1.46 3.84 89.78 10:44:01 all 0.07 0.00 0.05 0.00 0.20 99.68 10:44:01 0 0.03 0.00 0.05 0.00 0.03 99.88 10:44:01 1 0.12 0.00 0.07 0.00 0.17 99.65 10:44:01 2 0.03 0.00 0.02 0.00 0.32 99.63 10:44:01 3 0.08 0.00 0.07 0.00 0.25 99.60 10:45:02 all 0.11 0.00 0.03 0.00 0.20 99.66 10:45:02 0 0.03 0.00 0.02 0.00 0.17 99.78 10:45:02 1 0.32 0.00 0.03 0.00 0.15 99.50 10:45:02 2 0.03 0.00 0.02 0.00 0.15 99.80 10:45:02 3 0.07 0.00 0.05 0.00 0.33 99.55 10:46:01 all 0.10 0.00 0.05 0.00 0.30 99.55 10:46:01 0 0.02 0.00 0.03 0.00 0.15 99.80 10:46:01 1 0.08 0.00 0.05 0.00 0.46 99.41 10:46:01 2 0.05 0.00 0.03 0.00 0.15 99.76 10:46:01 3 0.27 0.00 0.07 0.00 0.47 99.19 10:47:01 all 0.14 0.00 0.06 0.00 0.07 99.73 10:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 10:47:01 1 0.05 0.00 0.03 0.00 0.07 99.85 10:47:01 2 0.23 0.00 0.05 0.00 0.08 99.63 10:47:01 3 0.22 0.00 0.12 0.00 0.13 99.53 10:48:01 all 0.14 0.00 0.04 0.00 0.10 99.73 10:48:01 0 0.03 0.00 0.02 0.00 0.03 99.92 10:48:01 1 0.03 0.00 0.03 0.00 0.07 99.87 10:48:01 2 0.45 0.00 0.03 0.00 0.12 99.40 10:48:01 3 0.05 0.00 0.07 0.00 0.18 99.70 10:49:01 all 4.35 0.00 2.65 1.72 5.63 85.65 10:49:01 0 4.58 0.00 2.78 3.12 5.59 83.93 10:49:01 1 4.92 0.00 3.14 1.96 5.77 84.22 10:49:01 2 3.88 0.00 2.44 0.87 5.92 86.88 10:49:01 3 4.05 0.00 2.25 0.90 5.23 87.57 Average: all 1.16 0.00 0.69 0.49 1.49 96.16 Average: 0 1.16 0.00 0.74 0.70 1.46 95.94 Average: 1 1.16 0.00 0.73 0.65 1.54 95.93 Average: 2 1.23 0.00 0.63 0.30 1.49 96.35 Average: 3 1.09 0.00 0.65 0.34 1.49 96.43