---> uname -a: Linux 7c0125843cc9 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1837 799 125 0 911 968 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) 07/22/20 _x86_64_ (4 CPU) 10:11:22 LINUX RESTART 10:12:01 tps rtps wtps bread/s bwrtn/s 10:13:01 59.76 18.89 40.87 5286.68 4720.96 10:14:02 5.64 0.90 4.74 69.00 119.06 10:15:01 0.39 0.00 0.39 0.00 6.27 10:16:01 0.23 0.00 0.23 0.00 2.69 10:17:01 0.17 0.00 0.17 0.00 2.09 10:18:01 0.37 0.00 0.37 0.00 5.16 10:19:01 0.28 0.02 0.27 0.13 3.50 10:20:02 246.33 151.21 95.12 6699.37 30595.81 10:21:01 69.54 10.42 59.12 775.55 13636.81 10:22:01 183.93 74.85 109.08 3820.99 20280.40 Average: 56.81 25.74 31.07 1672.59 6946.87 10:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:13:01 94652 1786904 94.97 2620 1136252 1612944 55.05 470172 1154272 52 10:14:02 154204 1727352 91.80 2620 1138476 1160716 39.61 419332 1147056 20 10:15:01 162108 1719448 91.38 2620 1138484 1116720 38.11 416352 1143344 8 10:16:01 161624 1719932 91.41 2620 1138484 1081052 36.89 420016 1140896 20 10:17:01 160928 1720628 91.45 2620 1138488 1081176 36.90 432096 1129652 12 10:18:01 160828 1720728 91.45 2620 1138496 1081192 36.90 431872 1129652 8 10:19:01 160788 1720768 91.45 2620 1138500 1081216 36.90 432072 1129648 12 10:20:02 68740 1812816 96.35 2620 1067136 1537084 52.46 589572 1010612 11300 10:21:01 103032 1778524 94.52 2596 1024688 1567684 53.50 630880 923584 73284 10:22:01 218696 1662860 88.38 1492 903828 1358888 46.38 608148 763352 48 Average: 144560 1736996 92.32 2505 1096283 1267867 43.27 485051 1067207 8476 10:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:13:01 eth0 210.21 160.77 983.95 78.97 0.00 0.00 0.00 10:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 vethddbf823 0.00 0.23 0.00 0.02 0.00 0.00 0.00 10:13:01 docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 10:14:02 eth0 11.88 9.34 15.95 6.13 0.00 0.00 0.00 10:14:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:02 docker0 1.03 0.86 0.18 1.54 0.00 0.00 0.00 10:15:01 eth0 2.47 0.61 0.66 0.40 0.00 0.00 0.00 10:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:16:01 eth0 1.21 0.52 0.57 0.39 0.00 0.00 0.00 10:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:17:01 eth0 1.33 0.32 0.33 0.20 0.00 0.00 0.00 10:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 eth0 1.06 0.55 0.45 0.27 0.00 0.00 0.00 10:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 eth0 0.52 0.37 0.27 0.23 0.00 0.00 0.00 10:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 eth0 165.91 105.46 3808.85 18.15 0.00 0.00 0.00 10:20:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 veth949e49f 22.49 21.45 2.53 51.71 0.00 0.00 0.00 10:20:02 docker0 23.52 22.29 2.41 53.25 0.00 0.00 0.00 10:21:01 eth0 148.16 112.36 3439.30 81.70 0.00 0.00 0.00 10:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 docker0 2.20 1.86 0.56 0.83 0.00 0.00 0.00 10:22:01 eth0 90.00 66.83 225.58 66.16 0.00 0.00 0.00 10:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:01 veth4ee3a9d 1.88 1.33 0.27 0.21 0.00 0.00 0.00 10:22:01 docker0 48.63 53.19 4.44 219.61 0.00 0.00 0.00 Average: eth0 63.34 45.75 846.34 25.23 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4ee3a9d 0.19 0.13 0.03 0.02 0.00 0.00 0.00 Average: docker0 4.87 5.33 0.44 22.00 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) 07/22/20 _x86_64_ (4 CPU) 10:11:22 LINUX RESTART 10:12:01 CPU %user %nice %system %iowait %steal %idle 10:13:01 all 15.97 0.00 6.70 1.91 28.60 46.81 10:13:01 0 12.72 0.00 6.96 1.94 31.40 46.98 10:13:01 1 17.45 0.00 6.59 2.24 27.72 46.00 10:13:01 2 15.87 0.00 6.45 2.53 28.38 46.78 10:13:01 3 17.99 0.00 6.81 0.96 26.78 47.45 10:14:02 all 1.57 0.00 1.19 0.16 4.91 92.18 10:14:02 0 1.11 0.00 1.01 0.02 4.18 93.68 10:14:02 1 1.55 0.00 1.31 0.03 5.44 91.67 10:14:02 2 1.76 0.00 1.33 0.46 5.29 91.15 10:14:02 3 1.84 0.00 1.11 0.12 4.72 92.21 10:15:01 all 0.24 0.00 0.24 0.00 3.02 96.50 10:15:01 0 0.10 0.00 0.08 0.00 1.85 97.97 10:15:01 1 0.22 0.00 0.23 0.00 2.82 96.73 10:15:01 2 0.28 0.00 0.33 0.00 3.57 95.81 10:15:01 3 0.33 0.00 0.30 0.00 3.84 95.52 10:16:01 all 0.24 0.00 0.21 0.00 2.87 96.67 10:16:01 0 0.18 0.00 0.13 0.00 2.78 96.91 10:16:01 1 0.38 0.00 0.25 0.00 3.86 95.52 10:16:01 2 0.25 0.00 0.30 0.00 3.02 96.44 10:16:01 3 0.17 0.00 0.18 0.00 1.81 97.85 10:17:01 all 0.07 0.00 0.07 0.00 0.60 99.26 10:17:01 0 0.03 0.00 0.00 0.00 0.41 99.55 10:17:01 1 0.07 0.00 0.05 0.00 0.91 98.98 10:17:01 2 0.03 0.00 0.18 0.00 0.45 99.34 10:17:01 3 0.17 0.00 0.03 0.00 0.63 99.17 10:18:01 all 0.11 0.00 0.04 0.00 0.62 99.22 10:18:01 0 0.05 0.00 0.05 0.00 0.28 99.62 10:18:01 1 0.05 0.00 0.03 0.00 0.40 99.52 10:18:01 2 0.03 0.00 0.05 0.00 0.48 99.44 10:18:01 3 0.30 0.00 0.03 0.00 1.32 98.35 10:19:01 all 0.12 0.00 0.02 0.00 0.23 99.63 10:19:01 0 0.02 0.00 0.02 0.00 0.13 99.83 10:19:01 1 0.03 0.00 0.05 0.00 0.27 99.65 10:19:01 2 0.02 0.00 0.02 0.00 0.17 99.80 10:19:01 3 0.40 0.00 0.02 0.00 0.37 99.22 10:20:02 all 6.64 0.00 5.63 3.74 30.65 53.34 10:20:02 0 5.90 0.00 5.60 4.85 31.21 52.43 10:20:02 1 7.02 0.00 5.00 2.86 29.48 55.63 10:20:02 2 6.85 0.00 6.40 3.36 30.55 52.84 10:20:02 3 6.79 0.00 5.55 3.86 31.34 52.45 10:21:01 all 4.63 0.00 4.39 1.05 16.02 73.92 10:21:01 0 3.61 0.00 3.67 0.74 17.20 74.78 10:21:01 1 5.63 0.00 4.88 1.28 15.63 72.58 10:21:01 2 4.91 0.00 4.20 1.30 15.55 74.04 10:21:01 3 4.41 0.00 4.80 0.87 15.64 74.28 10:22:01 all 5.67 0.00 4.95 2.71 15.21 71.47 10:22:01 0 8.17 0.00 4.88 2.37 16.03 68.55 10:22:01 1 5.51 0.00 4.56 3.79 15.46 70.68 10:22:01 2 4.57 0.00 4.42 3.36 15.15 72.51 10:22:01 3 4.35 0.00 5.95 1.29 14.18 74.23 Average: all 3.60 0.00 2.40 0.99 10.55 82.46 Average: 0 3.29 0.00 2.32 1.04 10.94 82.40 Average: 1 3.86 0.00 2.34 1.05 10.45 82.31 Average: 2 3.52 0.00 2.42 1.13 10.48 82.46 Average: 3 3.74 0.00 2.52 0.74 10.32 82.68