---> uname -a: Linux 9505ab3e85cb 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-211 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-211@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 602 79 0 1155 1130 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) 02/07/20 _x86_64_ (4 CPU) 16:41:46 LINUX RESTART 16:42:01 tps rtps wtps bread/s bwrtn/s 16:43:01 138.83 61.25 77.58 6171.24 38820.79 16:44:01 3.78 0.00 3.78 0.00 120.52 16:45:02 0.28 0.00 0.28 0.00 3.75 16:46:01 0.27 0.00 0.27 0.00 3.47 16:47:01 0.22 0.00 0.22 0.00 3.46 16:48:01 0.40 0.00 0.40 0.00 5.20 16:49:01 0.22 0.00 0.22 0.00 2.47 Average: 20.63 8.78 11.85 884.19 5581.97 16:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:43:01 110572 1771732 94.13 2620 1230460 921808 31.45 439576 1171824 12 16:44:01 118204 1764100 93.72 2620 1230504 901672 30.76 435164 1171736 20 16:45:02 117272 1765032 93.77 2620 1230508 901888 30.77 436420 1171720 20 16:46:01 116932 1765372 93.79 2620 1230508 901876 30.77 436416 1171720 12 16:47:01 118224 1764080 93.72 2620 1230516 901672 30.76 435312 1171720 8 16:48:01 117388 1764916 93.76 2620 1230520 901840 30.77 436236 1171720 8 16:49:01 118324 1763980 93.71 2620 1230524 901672 30.76 435216 1171720 12 Average: 116702 1765602 93.80 2620 1230506 904633 30.87 436334 1171737 13 16:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:43:01 eth0 428.99 307.27 994.85 98.17 0.00 0.00 0.00 16:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:43:01 docker0 3.81 3.26 0.67 7.69 0.00 0.00 0.00 16:44:01 eth0 0.40 0.08 0.04 0.04 0.00 0.00 0.00 16:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:02 eth0 2.16 0.87 0.78 0.39 0.00 0.00 0.00 16:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 eth0 0.98 0.53 0.30 0.22 0.00 0.00 0.00 16:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 eth0 0.55 0.08 0.06 0.04 0.00 0.00 0.00 16:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 eth0 0.72 0.50 0.41 0.27 0.00 0.00 0.00 16:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 16:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 62.17 44.33 142.76 14.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.55 0.47 0.10 1.10 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) 02/07/20 _x86_64_ (4 CPU) 16:41:46 LINUX RESTART 16:42:01 CPU %user %nice %system %iowait %steal %idle 16:43:01 all 13.56 0.00 7.25 8.83 0.02 70.34 16:43:01 0 13.01 0.00 7.21 7.85 0.02 71.92 16:43:01 1 11.76 0.00 7.19 9.60 0.02 71.43 16:43:01 2 14.71 0.00 6.62 10.77 0.03 67.87 16:43:01 3 14.76 0.00 7.93 7.10 0.02 70.20 16:44:01 all 0.19 0.00 0.05 0.00 0.00 99.76 16:44:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:44:01 1 0.03 0.00 0.07 0.00 0.00 99.90 16:44:01 2 0.57 0.00 0.05 0.00 0.00 99.38 16:44:01 3 0.07 0.00 0.07 0.00 0.00 99.87 16:45:02 all 0.19 0.00 0.05 0.00 0.00 99.76 16:45:02 0 0.05 0.00 0.03 0.00 0.00 99.92 16:45:02 1 0.08 0.00 0.07 0.00 0.00 99.85 16:45:02 2 0.60 0.00 0.07 0.00 0.00 99.33 16:45:02 3 0.05 0.00 0.07 0.00 0.00 99.88 16:46:01 all 0.18 0.00 0.04 0.00 0.00 99.78 16:46:01 0 0.05 0.00 0.05 0.00 0.00 99.90 16:46:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:46:01 2 0.54 0.00 0.02 0.00 0.00 99.44 16:46:01 3 0.07 0.00 0.02 0.00 0.00 99.92 16:47:01 all 0.19 0.00 0.05 0.00 0.00 99.76 16:47:01 0 0.08 0.00 0.08 0.00 0.00 99.83 16:47:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:47:01 2 0.57 0.00 0.03 0.00 0.00 99.40 16:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:48:01 all 0.18 0.00 0.04 0.00 0.00 99.78 16:48:01 0 0.05 0.00 0.05 0.00 0.00 99.90 16:48:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:48:01 2 0.53 0.00 0.05 0.00 0.00 99.42 16:48:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:49:01 all 0.17 0.00 0.04 0.00 0.00 99.79 16:49:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:49:01 1 0.08 0.00 0.07 0.00 0.00 99.85 16:49:01 2 0.57 0.00 0.05 0.00 0.00 99.38 16:49:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 2.08 0.00 1.07 1.25 0.00 95.59 Average: 0 1.89 0.00 1.06 1.11 0.00 95.93 Average: 1 1.73 0.00 1.07 1.36 0.00 95.83 Average: 2 2.58 0.00 0.98 1.53 0.00 94.91 Average: 3 2.13 0.00 1.16 1.01 0.00 95.70