---> uname -a: Linux 46173ed0bd3a 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: 2933.396 BogoMIPS: 5866.79 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/dry_go-mod-core-contracts_PR-236 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 619 64 0 1154 1115 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) 04/11/20 _x86_64_ (4 CPU) 08:38:40 LINUX RESTART 08:39:01 tps rtps wtps bread/s bwrtn/s 08:40:01 86.67 31.17 55.50 4704.01 17028.61 08:41:01 3.83 0.00 3.83 0.00 134.80 08:42:01 0.72 0.00 0.72 0.00 9.61 08:43:01 0.53 0.00 0.53 0.00 5.83 08:44:01 1.85 1.30 0.55 77.94 13.72 08:45:01 1.23 0.00 1.23 0.00 30.67 08:46:01 0.27 0.00 0.27 0.00 3.30 Average: 13.59 4.64 8.95 683.52 2462.32 08:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 111660 1770644 94.07 2620 1216632 954352 32.56 449064 1161332 920 08:41:01 121628 1760676 93.54 2620 1216768 905112 30.88 441792 1161240 8 08:42:01 119924 1762380 93.63 2620 1216780 905364 30.89 443328 1161228 8 08:43:01 119596 1762708 93.65 2620 1216780 905388 30.89 443508 1161212 16 08:44:01 108340 1773964 94.24 2620 1219236 918164 31.33 447372 1162920 12 08:45:01 108636 1773668 94.23 2620 1219244 918152 31.33 447348 1162920 16 08:46:01 110616 1771688 94.12 2620 1219244 908180 30.99 445880 1162864 12 Average: 114343 1767961 93.93 2620 1217812 916387 31.27 445470 1161959 142 08:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:40:01 eth0 401.71 232.75 1006.71 89.71 0.00 0.00 0.00 08:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 docker0 3.31 2.41 0.71 8.55 0.00 0.00 0.00 08:41:01 eth0 0.85 0.08 0.07 0.01 0.00 0.00 0.00 08:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 eth0 0.92 0.50 0.32 0.18 0.00 0.00 0.00 08:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 eth0 0.50 0.42 0.27 0.24 0.00 0.00 0.00 08:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 eth0 6.49 3.95 6.47 2.57 0.00 0.00 0.00 08:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 eth0 1.35 0.78 1.15 0.55 0.00 0.00 0.00 08:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 eth0 3.58 1.90 2.99 1.50 0.00 0.00 0.00 08:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 59.38 34.36 145.51 13.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.47 0.34 0.10 1.22 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) 04/11/20 _x86_64_ (4 CPU) 08:38:40 LINUX RESTART 08:39:01 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 13.29 0.00 5.13 2.59 0.02 78.97 08:40:01 0 12.23 0.00 5.92 4.44 0.02 77.39 08:40:01 1 13.75 0.00 5.18 1.82 0.02 79.23 08:40:01 2 12.61 0.00 4.97 1.85 0.02 80.55 08:40:01 3 14.57 0.00 4.43 2.26 0.02 78.73 08:41:01 all 0.20 0.00 0.06 0.00 0.00 99.74 08:41:01 0 0.58 0.00 0.05 0.00 0.00 99.37 08:41:01 1 0.10 0.00 0.05 0.00 0.00 99.85 08:41:01 2 0.07 0.00 0.07 0.00 0.00 99.87 08:41:01 3 0.05 0.00 0.05 0.00 0.00 99.90 08:42:01 all 0.20 0.00 0.05 0.00 0.00 99.75 08:42:01 0 0.47 0.00 0.05 0.00 0.02 99.47 08:42:01 1 0.10 0.00 0.07 0.00 0.00 99.83 08:42:01 2 0.13 0.00 0.05 0.00 0.00 99.82 08:42:01 3 0.10 0.00 0.07 0.00 0.00 99.83 08:43:01 all 0.20 0.00 0.06 0.00 0.00 99.74 08:43:01 0 0.53 0.00 0.07 0.00 0.00 99.40 08:43:01 1 0.12 0.00 0.07 0.00 0.00 99.82 08:43:01 2 0.08 0.00 0.07 0.00 0.00 99.85 08:43:01 3 0.05 0.00 0.03 0.00 0.00 99.92 08:44:01 all 0.49 0.00 0.30 0.02 0.00 99.20 08:44:01 0 0.65 0.00 0.25 0.00 0.00 99.10 08:44:01 1 0.30 0.00 0.32 0.02 0.00 99.37 08:44:01 2 0.52 0.00 0.25 0.02 0.00 99.22 08:44:01 3 0.48 0.00 0.37 0.02 0.00 99.13 08:45:01 all 0.19 0.00 0.07 0.00 0.00 99.74 08:45:01 0 0.05 0.00 0.08 0.00 0.00 99.87 08:45:01 1 0.08 0.00 0.10 0.00 0.02 99.80 08:45:01 2 0.60 0.00 0.07 0.00 0.00 99.33 08:45:01 3 0.05 0.00 0.03 0.00 0.00 99.92 08:46:01 all 0.24 0.00 0.08 0.00 0.00 99.68 08:46:01 0 0.13 0.00 0.08 0.00 0.00 99.78 08:46:01 1 0.12 0.00 0.08 0.00 0.00 99.80 08:46:01 2 0.62 0.00 0.10 0.00 0.00 99.28 08:46:01 3 0.10 0.00 0.05 0.00 0.00 99.85 Average: all 2.10 0.00 0.81 0.37 0.00 96.72 Average: 0 2.08 0.00 0.92 0.63 0.00 96.36 Average: 1 2.06 0.00 0.83 0.26 0.00 96.84 Average: 2 2.07 0.00 0.79 0.26 0.00 96.87 Average: 3 2.18 0.00 0.71 0.32 0.00 96.79