---> uname -a: Linux 9160e5d4b1fe 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 7.4G 42.5G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.4G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.4G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.4G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.4G 42.5G 15% /w/workspace/xfoundry_go-mod-messaging_master@tmp /dev/vda1 50.0G 7.4G 42.5G 15% /var/log/sa /dev/vda1 50.0G 7.4G 42.5G 15% /w/workspace/xfoundry_go-mod-messaging_master ---> free -m: total used free shared buff/cache available Mem: 1838 717 79 0 1041 1053 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 16: eth0@if17: 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/21/20 _x86_64_ (4 CPU) 23:40:01 LINUX RESTART 23:41:01 tps rtps wtps bread/s bwrtn/s 23:42:01 8.55 0.00 8.55 0.00 1899.64 23:43:01 0.23 0.00 0.23 0.00 3.60 23:44:01 0.27 0.00 0.27 0.00 4.15 23:45:01 0.25 0.00 0.25 0.00 2.56 23:46:01 256.49 109.92 146.57 4494.27 49186.57 23:47:01 210.40 87.55 122.85 5701.46 29962.45 Average: 79.59 33.02 46.58 1704.68 13547.30 23:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:42:01 126116 1756188 93.30 2620 1255852 903036 30.81 397912 1194880 20 23:43:01 125076 1757228 93.36 2620 1255856 903328 30.82 399884 1194580 20 23:44:01 124292 1758012 93.40 2620 1255868 903364 30.82 399948 1194580 8 23:45:01 125972 1756332 93.31 2620 1255868 903100 30.81 398512 1194580 8 23:46:01 74772 1807532 96.03 2620 1149724 1137528 38.81 553948 1000432 82956 23:47:01 86664 1795640 95.40 2232 1063804 968552 33.05 609072 893044 84384 Average: 110482 1771822 94.13 2555 1206162 953151 32.52 459879 1112016 27899 23:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:42:01 eth0 0.73 0.08 0.05 0.01 0.00 0.00 0.00 23:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 eth0 0.97 0.52 0.41 0.18 0.00 0.00 0.00 23:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 eth0 0.73 0.35 0.29 0.23 0.00 0.00 0.00 23:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 23:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 eth0 271.39 227.10 6722.34 29.70 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 7.91 7.49 0.88 37.95 0.00 0.00 0.00 23:47:01 veth29a4a3d 0.00 0.10 0.00 0.01 0.00 0.00 0.00 23:47:01 eth0 950.55 685.64 10412.30 231.43 0.00 0.00 0.00 23:47:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 23:47:01 docker0 37.08 41.81 2.87 290.12 0.00 0.00 0.00 Average: veth29a4a3d 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: eth0 158.93 114.64 1740.89 38.69 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.20 6.99 0.48 48.51 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/21/20 _x86_64_ (4 CPU) 23:40:01 LINUX RESTART 23:41:01 CPU %user %nice %system %iowait %steal %idle 23:42:01 all 0.22 0.00 0.12 0.00 0.00 99.66 23:42:01 0 0.08 0.00 0.12 0.00 0.00 99.80 23:42:01 1 0.08 0.00 0.14 0.00 0.00 99.78 23:42:01 2 0.58 0.00 0.08 0.00 0.00 99.34 23:42:01 3 0.12 0.00 0.12 0.00 0.00 99.76 23:43:01 all 0.24 0.00 0.05 0.00 0.00 99.71 23:43:01 0 0.13 0.00 0.05 0.00 0.00 99.82 23:43:01 1 0.57 0.00 0.07 0.00 0.00 99.37 23:43:01 2 0.18 0.00 0.03 0.00 0.00 99.78 23:43:01 3 0.10 0.00 0.07 0.00 0.00 99.83 23:44:01 all 0.18 0.00 0.05 0.00 0.00 99.78 23:44:01 0 0.53 0.00 0.03 0.00 0.00 99.43 23:44:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:44:01 2 0.07 0.00 0.08 0.00 0.00 99.85 23:44:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:45:01 all 0.19 0.00 0.06 0.00 0.01 99.74 23:45:01 0 0.47 0.00 0.03 0.00 0.02 99.48 23:45:01 1 0.10 0.00 0.08 0.00 0.02 99.80 23:45:01 2 0.10 0.00 0.08 0.00 0.02 99.80 23:45:01 3 0.07 0.00 0.07 0.00 0.02 99.85 23:46:01 all 13.38 0.00 8.13 2.17 0.20 76.11 23:46:01 0 12.40 0.00 8.57 2.71 0.15 76.17 23:46:01 1 13.36 0.00 8.55 1.64 0.22 76.23 23:46:01 2 13.76 0.00 7.25 0.73 0.19 78.08 23:46:01 3 14.02 0.00 8.16 3.61 0.24 73.97 23:47:01 all 11.31 0.00 6.60 3.81 0.06 78.21 23:47:01 0 13.03 0.00 6.18 1.82 0.07 78.90 23:47:01 1 9.94 0.00 6.66 1.59 0.07 81.75 23:47:01 2 9.90 0.00 6.65 5.13 0.05 78.28 23:47:01 3 12.37 0.00 6.91 6.74 0.03 73.94 Average: all 4.22 0.00 2.48 0.99 0.04 92.26 Average: 0 4.41 0.00 2.48 0.75 0.04 92.32 Average: 1 3.99 0.00 2.57 0.53 0.05 92.86 Average: 2 4.07 0.00 2.35 0.97 0.04 92.58 Average: 3 4.42 0.00 2.54 1.71 0.05 91.28