---> uname -a: Linux 710e7c92abeb 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: 2933.436 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 6.4G 43.6G 13% / 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 613 75 0 1149 1119 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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) 04/13/20 _x86_64_ (4 CPU) 13:56:41 LINUX RESTART 13:57:02 tps rtps wtps bread/s bwrtn/s 13:58:01 91.82 37.86 53.96 4936.22 18607.94 13:59:01 10.07 0.00 10.07 0.00 1076.00 14:00:01 0.67 0.00 0.67 0.00 8.62 14:01:01 0.23 0.02 0.22 0.13 2.90 14:02:01 61.42 51.61 9.82 3440.84 6085.07 Average: 32.66 17.84 14.82 1665.05 5112.47 13:57:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:58:01 109032 1773272 94.21 2620 1225060 943328 32.19 435192 1180780 28752 13:59:01 115108 1767196 93.88 2620 1225092 900436 30.72 429768 1180232 12 14:00:01 115040 1767264 93.89 2620 1225104 900460 30.72 429952 1180220 8 14:01:01 115168 1767136 93.88 2620 1225104 902788 30.80 430040 1180220 12 14:02:01 126696 1755608 93.27 2620 1198196 981044 33.47 418708 1175060 26536 Average: 116209 1766095 93.83 2620 1219711 925611 31.58 428732 1179302 11064 13:57:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:58:01 eth0 340.62 215.57 1010.92 82.02 0.00 0.00 0.00 13:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:58:01 docker0 0.88 0.83 0.22 1.69 0.00 0.00 0.00 13:59:01 eth0 1.73 0.43 0.37 0.18 0.00 0.00 0.00 13:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 eth0 0.58 0.45 0.27 0.24 0.00 0.00 0.00 14:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:01:01 eth0 0.27 0.17 0.17 0.01 0.00 0.00 0.00 14:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 eth0 92.48 72.81 2321.42 7.84 0.00 0.00 0.00 14:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.31 57.37 665.71 17.85 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.17 0.16 0.04 0.33 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) 04/13/20 _x86_64_ (4 CPU) 13:56:41 LINUX RESTART 13:57:02 CPU %user %nice %system %iowait %steal %idle 13:58:01 all 13.34 0.00 5.84 5.94 0.31 74.57 13:58:01 0 12.69 0.00 6.65 7.25 0.29 73.11 13:58:01 1 13.43 0.00 5.92 2.77 0.36 77.52 13:58:01 2 14.65 0.00 5.42 8.75 0.26 70.92 13:58:01 3 12.59 0.00 5.37 5.02 0.33 76.69 13:59:01 all 0.20 0.00 0.09 0.00 0.02 99.70 13:59:01 0 0.07 0.00 0.08 0.00 0.02 99.83 13:59:01 1 0.20 0.00 0.13 0.00 0.02 99.65 13:59:01 2 0.07 0.00 0.05 0.00 0.00 99.88 13:59:01 3 0.48 0.00 0.07 0.00 0.03 99.42 14:00:01 all 0.19 0.00 0.04 0.00 0.02 99.75 14:00:01 0 0.05 0.00 0.03 0.00 0.02 99.90 14:00:01 1 0.55 0.00 0.05 0.00 0.02 99.38 14:00:01 2 0.10 0.00 0.05 0.00 0.03 99.82 14:00:01 3 0.05 0.00 0.03 0.00 0.02 99.90 14:01:01 all 0.17 0.00 0.06 0.00 0.04 99.73 14:01:01 0 0.02 0.00 0.07 0.00 0.03 99.88 14:01:01 1 0.55 0.00 0.08 0.00 0.05 99.32 14:01:01 2 0.05 0.00 0.05 0.00 0.05 99.85 14:01:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:02:01 all 2.04 0.00 1.03 1.26 0.30 95.38 14:02:01 0 1.77 0.00 0.94 1.04 0.35 95.91 14:02:01 1 2.18 0.00 1.15 1.79 0.32 94.56 14:02:01 2 2.48 0.00 0.97 0.85 0.23 95.47 14:02:01 3 1.74 0.00 1.09 1.34 0.32 95.52 Average: all 3.12 0.00 1.38 1.41 0.14 93.95 Average: 0 2.86 0.00 1.52 1.62 0.14 93.86 Average: 1 3.32 0.00 1.44 0.90 0.15 94.19 Average: 2 3.40 0.00 1.28 1.88 0.11 93.33 Average: 3 2.91 0.00 1.29 1.25 0.14 94.42