---> uname -a: Linux 4b4ba8832d13 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 774 119 0 943 995 Swap: 1023 3 1020 ---> 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 24: eth0@if25: 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) 06/15/20 _x86_64_ (4 CPU) 15:38:11 LINUX RESTART 15:39:01 tps rtps wtps bread/s bwrtn/s 15:40:01 26.31 9.86 16.45 4276.12 2830.27 15:41:01 1.55 0.00 1.55 0.00 25.58 15:42:01 0.23 0.00 0.23 0.00 2.48 15:43:01 0.25 0.00 0.25 0.00 3.75 15:44:01 0.22 0.00 0.22 0.00 2.65 15:45:01 0.37 0.02 0.35 0.13 4.58 15:46:01 214.11 136.00 78.12 6089.53 30595.31 15:47:01 225.05 85.60 139.44 4739.02 31679.70 Average: 58.53 28.95 29.59 1888.62 8146.25 15:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 158712 1722844 91.56 2620 1165864 1104640 37.70 438816 1123516 20 15:41:01 161068 1720488 91.44 2620 1165868 1095032 37.37 439060 1121556 16 15:42:01 160744 1720812 91.46 2620 1165876 1095144 37.38 439448 1121492 8 15:43:01 159040 1722516 91.55 2620 1165876 1095236 37.38 441556 1120860 8 15:44:01 160024 1721532 91.50 2620 1165884 1092056 37.27 442032 1119488 12 15:45:01 160612 1720944 91.46 2620 1165892 1084908 37.03 441760 1119388 12 15:46:01 69468 1812088 96.31 2620 1091380 1839880 62.79 573916 1029324 10648 15:47:01 88860 1792696 95.28 1844 1045236 1254776 42.82 579892 929688 464 Average: 139816 1741740 92.57 2523 1141485 1207709 41.22 474560 1085664 1399 15:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:40:01 eth0 217.35 167.87 583.78 172.74 0.00 0.00 0.00 15:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 docker0 50.00 36.46 3.83 132.19 0.00 0.00 0.00 15:41:01 eth0 3.98 0.78 1.06 0.62 0.00 0.00 0.00 15:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:01 eth0 3.73 0.77 1.02 0.58 0.00 0.00 0.00 15:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 eth0 2.70 0.72 0.91 0.58 0.00 0.00 0.00 15:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:01 eth0 1.42 0.73 0.70 0.47 0.00 0.00 0.00 15:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 eth0 0.43 0.35 0.27 0.20 0.00 0.00 0.00 15:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 vethffdd73b 19.85 18.67 2.38 49.08 0.00 0.00 0.00 15:46:01 eth0 788.10 512.96 5175.89 249.21 0.00 0.00 0.00 15:46:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:46:01 docker0 69.83 55.02 5.94 181.19 0.00 0.00 0.00 15:47:01 eth0 310.80 222.97 3549.60 104.02 0.00 0.00 0.00 15:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 veth1ee9e4a 0.10 0.17 0.01 0.02 0.00 0.00 0.00 15:47:01 docker0 2.30 1.93 0.71 0.82 0.00 0.00 0.00 Average: eth0 86.92 62.86 995.13 36.91 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1ee9e4a 0.01 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.02 7.12 0.83 22.76 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) 06/15/20 _x86_64_ (4 CPU) 15:38:11 LINUX RESTART 15:39:01 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 3.87 0.00 1.81 0.69 0.01 93.61 15:40:01 0 3.70 0.00 2.26 1.24 0.02 92.77 15:40:01 1 4.18 0.00 1.55 0.84 0.02 93.42 15:40:01 2 3.46 0.00 1.60 0.32 0.00 94.62 15:40:01 3 4.16 0.00 1.85 0.35 0.00 93.63 15:41:01 all 0.16 0.00 0.05 0.00 0.01 99.78 15:41:01 0 0.07 0.00 0.07 0.00 0.02 99.85 15:41:01 1 0.08 0.00 0.05 0.00 0.00 99.87 15:41:01 2 0.10 0.00 0.02 0.00 0.02 99.87 15:41:01 3 0.43 0.00 0.07 0.00 0.02 99.48 15:42:01 all 0.15 0.00 0.04 0.00 0.07 99.75 15:42:01 0 0.03 0.00 0.03 0.00 0.03 99.90 15:42:01 1 0.07 0.00 0.05 0.00 0.15 99.73 15:42:01 2 0.03 0.00 0.02 0.00 0.00 99.95 15:42:01 3 0.43 0.00 0.03 0.00 0.08 99.45 15:43:01 all 0.17 0.00 0.04 0.00 0.02 99.76 15:43:01 0 0.08 0.00 0.03 0.00 0.00 99.88 15:43:01 1 0.08 0.00 0.05 0.00 0.05 99.82 15:43:01 2 0.02 0.00 0.05 0.00 0.00 99.93 15:43:01 3 0.52 0.00 0.03 0.00 0.03 99.42 15:44:01 all 0.16 0.00 0.04 0.00 0.03 99.77 15:44:01 0 0.03 0.00 0.03 0.00 0.02 99.92 15:44:01 1 0.07 0.00 0.05 0.00 0.05 99.83 15:44:01 2 0.05 0.00 0.07 0.00 0.02 99.87 15:44:01 3 0.52 0.00 0.02 0.00 0.02 99.45 15:45:01 all 0.15 0.00 0.03 0.00 0.01 99.80 15:45:01 0 0.02 0.00 0.02 0.00 0.02 99.95 15:45:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:45:01 2 0.03 0.00 0.07 0.02 0.02 99.87 15:45:01 3 0.50 0.00 0.02 0.00 0.02 99.47 15:46:01 all 7.21 0.00 4.22 1.91 0.03 86.64 15:46:01 0 7.70 0.00 4.32 3.31 0.03 84.63 15:46:01 1 6.97 0.00 4.31 1.59 0.03 87.09 15:46:01 2 6.68 0.00 3.98 1.64 0.02 87.69 15:46:01 3 7.51 0.00 4.30 1.08 0.02 87.09 15:47:01 all 10.76 0.00 7.82 3.10 0.04 78.28 15:47:01 0 10.37 0.00 8.07 3.19 0.05 78.32 15:47:01 1 11.27 0.00 7.28 2.45 0.05 78.95 15:47:01 2 10.73 0.00 8.46 5.03 0.03 75.75 15:47:01 3 10.67 0.00 7.48 1.72 0.03 80.11 Average: all 2.81 0.00 1.74 0.71 0.03 94.72 Average: 0 2.73 0.00 1.84 0.96 0.02 94.45 Average: 1 2.82 0.00 1.66 0.61 0.04 94.87 Average: 2 2.62 0.00 1.77 0.87 0.01 94.74 Average: 3 3.07 0.00 1.71 0.39 0.03 94.81