---> uname -a: Linux b533ba89f440 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 6.3G 43.7G 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 648 68 0 1121 1085 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) 05/27/20 _x86_64_ (4 CPU) 20:35:05 LINUX RESTART 20:36:01 tps rtps wtps bread/s bwrtn/s 20:37:01 10.31 0.08 10.22 2.66 2113.22 20:38:01 2.55 0.00 2.55 0.00 88.01 20:39:01 0.23 0.00 0.23 0.00 3.61 20:40:01 0.28 0.00 0.28 0.00 2.85 20:41:01 51.29 50.66 0.63 3361.57 13.94 Average: 12.94 10.16 2.78 673.36 444.23 20:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:37:01 110324 1771980 94.14 2620 1203644 914760 31.21 460608 1149468 16 20:38:01 111360 1770944 94.08 2620 1203648 906536 30.93 460012 1149056 16 20:39:01 110272 1772032 94.14 2620 1203656 906752 30.94 461256 1149056 8 20:40:01 110536 1771768 94.13 2620 1203656 906740 30.94 461436 1149056 8 20:41:01 76660 1805644 95.93 2620 1194508 1109704 37.86 477364 1158524 92296 Average: 103830 1778474 94.48 2620 1201822 948898 32.38 464135 1151032 18469 20:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:37:01 eth0 0.55 0.18 0.03 0.04 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 eth0 0.43 0.08 0.05 0.01 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 eth0 0.98 0.38 0.39 0.20 0.00 0.00 0.00 20:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 eth0 0.48 0.47 0.27 0.21 0.00 0.00 0.00 20:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 eth0 69.16 53.65 1565.64 7.93 0.00 0.00 0.00 20:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 14.33 10.96 313.51 1.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 05/27/20 _x86_64_ (4 CPU) 20:35:05 LINUX RESTART 20:36:01 CPU %user %nice %system %iowait %steal %idle 20:37:01 all 0.21 0.00 0.09 0.00 0.03 99.67 20:37:01 0 0.05 0.00 0.05 0.00 0.03 99.87 20:37:01 1 0.55 0.00 0.08 0.00 0.05 99.32 20:37:01 2 0.15 0.00 0.13 0.00 0.05 99.67 20:37:01 3 0.08 0.00 0.12 0.00 0.02 99.78 20:38:01 all 0.18 0.00 0.05 0.00 0.02 99.75 20:38:01 0 0.05 0.00 0.05 0.00 0.03 99.87 20:38:01 1 0.52 0.00 0.07 0.00 0.03 99.38 20:38:01 2 0.07 0.00 0.05 0.00 0.03 99.85 20:38:01 3 0.08 0.00 0.03 0.00 0.00 99.88 20:39:01 all 0.18 0.00 0.07 0.00 0.02 99.73 20:39:01 0 0.05 0.00 0.07 0.00 0.03 99.85 20:39:01 1 0.50 0.00 0.07 0.00 0.02 99.42 20:39:01 2 0.12 0.00 0.08 0.00 0.00 99.80 20:39:01 3 0.05 0.00 0.03 0.00 0.02 99.90 20:40:01 all 0.17 0.00 0.04 0.00 0.02 99.77 20:40:01 0 0.05 0.00 0.03 0.00 0.03 99.88 20:40:01 1 0.48 0.00 0.03 0.00 0.02 99.47 20:40:01 2 0.10 0.00 0.07 0.00 0.02 99.82 20:40:01 3 0.05 0.00 0.03 0.00 0.03 99.88 20:41:01 all 1.45 0.00 0.81 0.95 0.11 96.68 20:41:01 0 1.14 0.00 0.87 0.10 0.08 97.81 20:41:01 1 1.52 0.00 0.83 1.43 0.10 96.11 20:41:01 2 2.16 0.00 0.95 2.14 0.13 94.62 20:41:01 3 1.00 0.00 0.60 0.12 0.12 98.16 Average: all 0.44 0.00 0.21 0.19 0.04 99.12 Average: 0 0.27 0.00 0.21 0.02 0.04 99.46 Average: 1 0.71 0.00 0.22 0.29 0.04 98.74 Average: 2 0.52 0.00 0.26 0.43 0.05 98.75 Average: 3 0.25 0.00 0.16 0.02 0.04 99.52