---> uname -a: Linux c7b8a83f7135 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 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/dry_go-mod-core-contracts_PR-223 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-223@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 587 68 0 1182 1146 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 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) 03/06/20 _x86_64_ (4 CPU) 14:51:47 LINUX RESTART 14:53:01 tps rtps wtps bread/s bwrtn/s 14:54:01 15.70 1.48 14.22 83.93 2744.41 14:55:01 2.46 0.00 2.46 0.00 80.08 14:56:01 0.27 0.00 0.27 0.00 4.03 14:57:01 0.28 0.00 0.28 0.00 3.11 14:58:01 0.35 0.00 0.35 0.00 4.78 14:59:01 0.32 0.00 0.32 0.00 3.50 15:00:01 1.47 1.18 0.28 74.86 2.58 Average: 2.98 0.38 2.60 22.68 406.05 14:53:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:54:01 117392 1764912 93.76 2620 1245204 984052 33.58 429100 1175956 12 14:55:01 126832 1755472 93.26 2620 1245208 911408 31.10 421956 1175648 8 14:56:01 125676 1756628 93.32 2620 1245220 911744 31.11 423336 1175652 8 14:57:01 126864 1755440 93.26 2620 1245220 911540 31.10 422200 1175600 8 14:58:01 126060 1756244 93.30 2620 1245228 911684 31.11 423036 1175600 16 14:59:01 127244 1755060 93.24 2620 1245232 911540 31.10 422136 1175596 8 15:00:01 117968 1764336 93.73 2620 1247588 913372 31.16 422528 1176260 128 Average: 124005 1758299 93.41 2620 1245557 922191 31.46 423470 1175759 27 14:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:54:01 eth0 16.55 14.44 21.64 19.48 0.00 0.00 0.00 14:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:54:01 docker0 3.81 2.58 0.72 8.18 0.00 0.00 0.00 14:55:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 14:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 eth0 0.87 0.32 0.30 0.20 0.00 0.00 0.00 14:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 eth0 0.88 0.08 0.07 0.01 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 eth0 0.65 0.50 0.40 0.24 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 eth0 5.21 3.18 4.43 1.55 0.00 0.00 0.00 15:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.48 2.67 3.84 3.07 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.54 0.37 0.10 1.17 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) 03/06/20 _x86_64_ (4 CPU) 14:51:47 LINUX RESTART 14:53:01 CPU %user %nice %system %iowait %steal %idle 14:54:01 all 1.08 0.00 0.64 0.02 1.24 97.02 14:54:01 0 1.35 0.00 0.72 0.03 1.12 96.78 14:54:01 1 0.96 0.00 0.86 0.02 1.20 96.96 14:54:01 2 1.23 0.00 0.58 0.02 1.31 96.86 14:54:01 3 0.76 0.00 0.43 0.03 1.36 97.41 14:55:01 all 0.17 0.00 0.06 0.00 0.06 99.71 14:55:01 0 0.43 0.00 0.03 0.00 0.03 99.50 14:55:01 1 0.08 0.00 0.08 0.00 0.03 99.80 14:55:01 2 0.07 0.00 0.05 0.00 0.03 99.85 14:55:01 3 0.07 0.00 0.07 0.00 0.12 99.75 14:56:01 all 0.17 0.00 0.04 0.00 0.27 99.52 14:56:01 0 0.33 0.00 0.02 0.00 0.45 99.20 14:56:01 1 0.18 0.00 0.05 0.00 0.23 99.53 14:56:01 2 0.07 0.00 0.03 0.00 0.12 99.78 14:56:01 3 0.12 0.00 0.07 0.00 0.27 99.55 14:57:01 all 0.15 0.00 0.05 0.00 0.14 99.66 14:57:01 0 0.25 0.00 0.03 0.00 0.25 99.47 14:57:01 1 0.05 0.00 0.10 0.00 0.10 99.75 14:57:01 2 0.12 0.00 0.03 0.00 0.12 99.73 14:57:01 3 0.15 0.00 0.07 0.00 0.08 99.70 14:58:01 all 0.15 0.00 0.04 0.00 0.04 99.77 14:58:01 0 0.07 0.00 0.03 0.00 0.07 99.83 14:58:01 1 0.37 0.00 0.03 0.00 0.03 99.57 14:58:01 2 0.08 0.00 0.03 0.00 0.03 99.85 14:58:01 3 0.12 0.00 0.03 0.00 0.05 99.80 14:59:01 all 0.16 0.00 0.05 0.00 0.11 99.68 14:59:01 0 0.03 0.00 0.03 0.00 0.03 99.90 14:59:01 1 0.42 0.00 0.05 0.00 0.08 99.45 14:59:01 2 0.05 0.00 0.05 0.00 0.22 99.68 14:59:01 3 0.12 0.00 0.07 0.00 0.08 99.73 15:00:01 all 0.34 0.00 0.31 0.02 0.53 98.80 15:00:01 0 0.20 0.00 0.28 0.05 0.50 98.97 15:00:01 1 0.58 0.00 0.35 0.00 0.58 98.48 15:00:01 2 0.22 0.00 0.12 0.00 0.53 99.14 15:00:01 3 0.37 0.00 0.53 0.00 0.53 98.57 Average: all 0.32 0.00 0.17 0.01 0.34 99.16 Average: 0 0.38 0.00 0.16 0.01 0.35 99.09 Average: 1 0.38 0.00 0.22 0.00 0.32 99.08 Average: 2 0.26 0.00 0.13 0.00 0.34 99.27 Average: 3 0.24 0.00 0.18 0.00 0.36 99.21