---> uname -a: Linux 8905a4474636 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 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-snmp-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-snmp-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 784 105 0 946 984 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) 15:39:00 LINUX RESTART 15:40:01 tps rtps wtps bread/s bwrtn/s 15:41:01 4.40 0.55 3.85 7.86 74.14 15:42:01 0.32 0.00 0.32 0.00 4.46 15:43:02 0.18 0.00 0.18 0.00 2.17 15:44:01 0.32 0.00 0.32 0.00 3.74 15:45:01 0.32 0.00 0.32 0.00 4.15 15:46:01 0.27 0.02 0.25 0.13 4.05 15:47:01 256.70 148.01 108.69 6798.34 32135.85 15:48:01 260.60 126.96 133.64 8495.24 31953.44 Average: 65.67 34.59 31.08 1921.45 8057.45 15:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:41:01 165064 1716492 91.23 2620 1154668 1103948 37.68 416944 1139912 20 15:42:01 164068 1717488 91.28 2620 1154672 1094808 37.36 419184 1138640 20 15:43:02 165716 1715840 91.19 2620 1154676 1091740 37.26 419032 1137420 16 15:44:01 164864 1716692 91.24 2620 1154680 1091804 37.26 421044 1136744 8 15:45:01 162048 1719508 91.39 2620 1154684 1093348 37.31 430832 1129564 20 15:46:01 163804 1717752 91.29 2620 1154696 1082120 36.93 429836 1129112 12 15:47:01 167036 1714520 91.12 2596 1023692 1406276 47.99 570088 945696 56 15:48:01 69752 1811804 96.29 1492 1002628 1512296 51.61 678124 839272 55180 Average: 152794 1728762 91.88 2476 1119300 1184543 40.43 473136 1074545 6917 15:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:41:01 eth0 12.76 6.08 8.80 4.18 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 3.81 0.73 1.03 0.61 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 15:43:02 eth0 3.20 1.20 1.22 0.76 0.00 0.00 0.00 15:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:01 eth0 0.81 0.30 0.31 0.23 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 0.72 0.53 0.41 0.27 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 eth0 0.05 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 eth0 225.28 171.48 4021.12 79.49 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 vethf548ff5 0.43 0.38 0.09 0.20 0.00 0.00 0.00 15:47:01 docker0 23.38 22.25 2.92 53.60 0.00 0.00 0.00 15:48:01 eth0 259.52 184.66 4401.98 82.42 0.00 0.00 0.00 15:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 docker0 25.05 29.53 1.56 156.76 0.00 0.00 0.00 Average: eth0 63.54 45.82 1059.03 21.09 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.94 6.38 0.53 26.22 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) 15:39:00 LINUX RESTART 15:40:01 CPU %user %nice %system %iowait %steal %idle 15:41:01 all 0.50 0.00 0.10 0.03 0.00 99.37 15:41:01 0 0.28 0.00 0.15 0.05 0.00 99.52 15:41:01 1 0.75 0.00 0.10 0.08 0.00 99.07 15:41:01 2 0.50 0.00 0.10 0.00 0.00 99.40 15:41:01 3 0.47 0.00 0.08 0.00 0.00 99.45 15:42:01 all 0.17 0.00 0.03 0.00 0.00 99.80 15:42:01 0 0.07 0.00 0.03 0.00 0.00 99.90 15:42:01 1 0.27 0.00 0.03 0.00 0.00 99.70 15:42:01 2 0.33 0.00 0.02 0.00 0.00 99.65 15:42:01 3 0.07 0.00 0.02 0.00 0.00 99.92 15:43:02 all 0.16 0.00 0.03 0.00 0.00 99.82 15:43:02 0 0.07 0.00 0.05 0.00 0.00 99.88 15:43:02 1 0.05 0.00 0.02 0.00 0.02 99.92 15:43:02 2 0.48 0.00 0.00 0.00 0.00 99.52 15:43:02 3 0.02 0.00 0.02 0.00 0.00 99.97 15:44:01 all 0.15 0.00 0.02 0.00 0.00 99.82 15:44:01 0 0.05 0.00 0.02 0.00 0.00 99.93 15:44:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:44:01 2 0.51 0.00 0.02 0.00 0.00 99.48 15:44:01 3 0.02 0.00 0.03 0.00 0.00 99.95 15:45:01 all 0.16 0.00 0.05 0.00 0.00 99.79 15:45:01 0 0.03 0.00 0.05 0.00 0.00 99.92 15:45:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:45:01 2 0.50 0.00 0.12 0.00 0.00 99.38 15:45:01 3 0.03 0.00 0.02 0.00 0.00 99.95 15:46:01 all 0.15 0.00 0.02 0.00 0.00 99.83 15:46:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:46:01 1 0.02 0.00 0.02 0.00 0.00 99.97 15:46:01 2 0.52 0.00 0.02 0.00 0.00 99.47 15:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:47:01 all 9.70 0.00 5.51 2.57 0.18 82.04 15:47:01 0 9.57 0.00 5.79 2.52 0.17 81.95 15:47:01 1 9.79 0.00 5.60 1.99 0.22 82.40 15:47:01 2 9.06 0.00 5.34 3.15 0.19 82.26 15:47:01 3 10.40 0.00 5.30 2.62 0.15 81.52 15:48:01 all 12.28 0.00 7.40 4.49 0.26 75.57 15:48:01 0 11.84 0.00 6.61 4.08 0.24 77.23 15:48:01 1 12.81 0.00 7.67 4.40 0.27 74.85 15:48:01 2 14.01 0.00 8.22 5.90 0.29 71.58 15:48:01 3 10.46 0.00 7.10 3.54 0.22 78.68 Average: all 2.89 0.00 1.63 0.88 0.05 94.54 Average: 0 2.73 0.00 1.58 0.83 0.05 94.82 Average: 1 2.96 0.00 1.68 0.81 0.06 94.50 Average: 2 3.22 0.00 1.72 1.13 0.06 93.87 Average: 3 2.67 0.00 1.56 0.76 0.05 94.96