---> uname -a: Linux 4edfa4ff98bc 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 7.9G 42.1G 16% / 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 7.9G 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.9G 42.1G 16% /var/log/sa /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/gexfoundry_device-rest-go_master /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/gexfoundry_device-rest-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 706 123 0 1007 1032 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 8: eth0@if9: 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) 06/12/20 _x86_64_ (4 CPU) 05:41:49 LINUX RESTART 05:43:01 tps rtps wtps bread/s bwrtn/s 05:44:01 20.14 3.86 16.28 1172.53 2454.28 05:45:01 0.52 0.00 0.52 0.00 7.12 05:46:01 0.70 0.00 0.70 0.00 8.90 05:47:01 0.55 0.00 0.55 0.00 6.49 05:48:01 0.80 0.00 0.80 0.00 9.84 05:49:01 279.42 194.74 84.68 10909.68 31087.60 Average: 50.36 33.11 17.26 2014.19 5597.00 05:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:44:01 152980 1728576 91.87 2620 1137512 1174656 40.09 462588 1105448 24 05:45:01 159448 1722108 91.53 2620 1137516 1141976 38.97 459560 1103152 8 05:46:01 163580 1717976 91.31 2620 1137524 1090756 37.23 457420 1101372 8 05:47:01 164192 1717364 91.27 2620 1137524 1090576 37.22 465412 1093560 8 05:48:01 164272 1717284 91.27 2620 1137532 1090684 37.22 466984 1092560 8 05:49:01 101924 1779632 94.58 2620 1138032 1134444 38.72 519144 1060864 80 Average: 151066 1730490 91.97 2620 1137607 1120515 38.24 471851 1092826 23 05:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:44:01 eth0 98.52 78.45 170.53 162.27 0.00 0.00 0.00 05:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 docker0 40.56 43.84 3.81 135.35 0.00 0.00 0.00 05:45:01 eth0 1.40 0.42 0.64 0.24 0.00 0.00 0.00 05:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 eth0 0.60 0.37 0.28 0.20 0.00 0.00 0.00 05:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 05:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 eth0 0.33 0.25 0.14 0.08 0.00 0.00 0.00 05:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 eth0 151.61 108.87 3830.56 53.11 0.00 0.00 0.00 05:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 docker0 23.44 21.90 2.73 50.38 0.00 0.00 0.00 Average: eth0 42.11 31.42 667.17 36.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.67 10.96 1.09 30.97 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) 06/12/20 _x86_64_ (4 CPU) 05:41:49 LINUX RESTART 05:43:01 CPU %user %nice %system %iowait %steal %idle 05:44:01 all 2.56 0.00 1.31 0.33 4.08 91.73 05:44:01 0 2.67 0.00 1.33 1.03 3.87 91.10 05:44:01 1 2.80 0.00 1.26 0.18 4.09 91.66 05:44:01 2 3.32 0.00 1.08 0.08 3.79 91.73 05:44:01 3 1.46 0.00 1.53 0.03 4.58 92.40 05:45:01 all 0.10 0.00 0.06 0.00 0.28 99.56 05:45:01 0 0.08 0.00 0.03 0.00 0.13 99.75 05:45:01 1 0.23 0.00 0.05 0.00 0.37 99.35 05:45:01 2 0.02 0.00 0.10 0.00 0.15 99.73 05:45:01 3 0.05 0.00 0.07 0.00 0.45 99.43 05:46:01 all 0.08 0.00 0.05 0.00 0.37 99.50 05:46:01 0 0.00 0.00 0.05 0.00 0.12 99.83 05:46:01 1 0.27 0.00 0.05 0.00 0.53 99.15 05:46:01 2 0.03 0.00 0.07 0.00 0.27 99.63 05:46:01 3 0.02 0.00 0.03 0.00 0.58 99.37 05:47:01 all 0.07 0.00 0.05 0.00 0.22 99.65 05:47:01 0 0.02 0.00 0.02 0.00 0.07 99.90 05:47:01 1 0.25 0.00 0.08 0.00 0.30 99.37 05:47:01 2 0.05 0.00 0.07 0.00 0.33 99.55 05:47:01 3 0.02 0.00 0.00 0.00 0.20 99.78 05:48:01 all 0.09 0.00 0.03 0.00 0.18 99.69 05:48:01 0 0.02 0.00 0.02 0.00 0.15 99.82 05:48:01 1 0.30 0.00 0.02 0.00 0.22 99.47 05:48:01 2 0.02 0.00 0.05 0.00 0.20 99.73 05:48:01 3 0.02 0.00 0.03 0.00 0.17 99.78 05:49:01 all 6.54 0.00 3.81 2.91 10.68 76.06 05:49:01 0 7.51 0.00 3.76 2.45 10.97 75.32 05:49:01 1 5.80 0.00 3.16 3.49 11.36 76.20 05:49:01 2 7.50 0.00 4.18 3.41 9.96 74.95 05:49:01 3 5.37 0.00 4.16 2.31 10.41 77.75 Average: all 1.56 0.00 0.88 0.53 2.62 94.41 Average: 0 1.70 0.00 0.86 0.58 2.53 94.33 Average: 1 1.60 0.00 0.77 0.61 2.81 94.21 Average: 2 1.80 0.00 0.91 0.57 2.42 94.30 Average: 3 1.14 0.00 0.96 0.39 2.71 94.79