---> uname -a: Linux 43c228394bfe 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: 2933.396 BogoMIPS: 5866.79 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-549 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 652 122 0 1062 1079 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) 07/24/20 _x86_64_ (4 CPU) 17:21:33 LINUX RESTART 17:22:01 tps rtps wtps bread/s bwrtn/s 17:23:01 79.24 29.56 49.68 7176.70 5215.25 17:24:01 2.15 0.00 2.15 0.00 45.65 17:25:01 0.38 0.00 0.38 0.00 5.58 17:26:01 0.32 0.00 0.32 0.00 5.33 17:27:01 0.23 0.00 0.23 0.00 3.83 17:28:01 0.43 0.00 0.43 0.00 7.00 17:29:01 0.33 0.02 0.32 0.13 4.58 17:30:01 133.71 89.70 44.02 6977.59 17478.99 Average: 27.11 14.91 12.20 1769.89 2846.59 17:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:23:01 152092 1729464 91.92 2620 1151072 1121532 38.28 425960 1142848 20 17:24:01 160388 1721168 91.48 2620 1151188 1075628 36.71 422148 1139636 8 17:25:01 159588 1721968 91.52 2620 1151196 1075832 36.72 423268 1139624 8 17:26:01 158680 1722876 91.57 2620 1151196 1075628 36.71 424132 1139032 8 17:27:01 158468 1723088 91.58 2620 1151204 1075760 36.71 434024 1129856 8 17:28:01 158168 1723388 91.59 2620 1151208 1075736 36.71 434024 1129852 8 17:29:01 159212 1722344 91.54 2620 1151212 1075628 36.71 433312 1129852 8 17:30:01 87136 1794420 95.37 2620 1136712 1274156 43.48 464132 1119752 29304 Average: 149217 1732340 92.07 2620 1149374 1106238 37.75 432625 1133807 3672 17:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:23:01 eth0 469.62 288.76 1076.40 107.34 0.00 0.00 0.00 17:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:01 docker0 8.92 6.51 1.09 17.39 0.00 0.00 0.00 17:24:01 eth0 0.58 0.08 0.06 0.01 0.00 0.00 0.00 17:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:25:01 eth0 0.48 0.30 0.27 0.20 0.00 0.00 0.00 17:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 17:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 eth0 0.55 0.40 0.27 0.21 0.00 0.00 0.00 17:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 eth0 0.37 0.30 0.17 0.08 0.00 0.00 0.00 17:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 eth0 0.53 0.08 0.06 0.01 0.00 0.00 0.00 17:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 eth0 103.68 65.79 2334.08 11.56 0.00 0.00 0.00 17:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 72.10 44.49 426.55 14.93 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.12 0.81 0.14 2.17 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) 07/24/20 _x86_64_ (4 CPU) 17:21:33 LINUX RESTART 17:22:01 CPU %user %nice %system %iowait %steal %idle 17:23:01 all 12.73 0.00 4.58 2.97 0.02 79.70 17:23:01 0 11.52 0.00 5.62 4.63 0.02 78.22 17:23:01 1 14.08 0.00 3.95 1.10 0.03 80.83 17:23:01 2 11.64 0.00 5.08 3.79 0.00 79.48 17:23:01 3 13.68 0.00 3.67 2.38 0.03 80.24 17:24:01 all 0.13 0.00 0.05 0.00 0.00 99.82 17:24:01 0 0.07 0.00 0.03 0.00 0.00 99.90 17:24:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:24:01 2 0.05 0.00 0.07 0.00 0.00 99.88 17:24:01 3 0.33 0.00 0.07 0.00 0.00 99.60 17:25:01 all 0.17 0.00 0.03 0.00 0.00 99.80 17:25:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:25:01 1 0.05 0.00 0.02 0.00 0.00 99.93 17:25:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:25:01 3 0.53 0.00 0.02 0.00 0.00 99.45 17:26:01 all 0.16 0.00 0.03 0.00 0.00 99.81 17:26:01 0 0.08 0.00 0.05 0.00 0.00 99.87 17:26:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:26:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:26:01 3 0.50 0.00 0.02 0.00 0.00 99.48 17:27:01 all 0.13 0.00 0.04 0.00 0.00 99.83 17:27:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:27:01 1 0.07 0.00 0.03 0.00 0.00 99.90 17:27:01 2 0.00 0.00 0.02 0.00 0.02 99.97 17:27:01 3 0.42 0.00 0.07 0.00 0.00 99.52 17:28:01 all 0.16 0.00 0.04 0.00 0.00 99.80 17:28:01 0 0.05 0.00 0.07 0.00 0.00 99.88 17:28:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:28:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:28:01 3 0.50 0.00 0.05 0.00 0.00 99.45 17:29:01 all 0.15 0.00 0.03 0.00 0.00 99.81 17:29:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:29:01 1 0.05 0.00 0.02 0.00 0.02 99.92 17:29:01 2 0.05 0.00 0.07 0.00 0.00 99.88 17:29:01 3 0.50 0.00 0.02 0.00 0.00 99.48 17:30:01 all 5.27 0.00 3.03 1.55 0.02 90.13 17:30:01 0 4.66 0.00 3.37 1.88 0.03 90.06 17:30:01 1 4.25 0.00 2.68 0.54 0.02 92.51 17:30:01 2 5.61 0.00 2.87 1.61 0.02 89.89 17:30:01 3 6.55 0.00 3.19 2.18 0.05 88.02 Average: all 2.35 0.00 0.98 0.56 0.01 96.11 Average: 0 2.05 0.00 1.15 0.81 0.01 95.99 Average: 1 2.31 0.00 0.85 0.20 0.01 96.63 Average: 2 2.18 0.00 1.03 0.67 0.00 96.11 Average: 3 2.86 0.00 0.88 0.57 0.01 95.68