---> uname -a: Linux 9c2e7b5168a6 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-203 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-203@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 601 67 0 1169 1133 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) 01/21/20 _x86_64_ (4 CPU) 21:34:00 LINUX RESTART 21:35:03 tps rtps wtps bread/s bwrtn/s 21:36:01 22.33 2.60 19.73 432.57 2253.12 21:37:01 2.78 0.00 2.78 0.00 87.60 21:38:01 0.35 0.00 0.35 0.00 4.46 21:39:01 0.28 0.00 0.28 0.00 3.33 21:40:01 0.77 0.00 0.77 0.00 9.45 21:41:01 0.42 0.00 0.42 0.00 5.48 21:42:01 0.18 0.00 0.18 0.00 1.60 Average: 3.78 0.36 3.42 60.03 328.76 21:35:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:36:01 109224 1773080 94.20 2620 1231652 976668 33.32 439656 1173328 16 21:37:01 121476 1760828 93.55 2620 1231656 891552 30.42 429760 1173032 16 21:38:01 120204 1762100 93.61 2620 1231664 891820 30.43 431080 1172960 8 21:39:01 120444 1761860 93.60 2620 1231664 891772 30.43 430832 1172956 8 21:40:01 120836 1761468 93.58 2620 1231668 891764 30.43 430572 1172956 8 21:41:01 121460 1760844 93.55 2620 1231676 891680 30.42 430056 1172956 12 21:42:01 121972 1760332 93.52 2620 1231676 891680 30.42 429488 1172952 20 Average: 119374 1762930 93.66 2620 1231665 903848 30.84 431635 1173020 13 21:35:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:36:01 eth0 30.26 27.27 37.53 35.99 0.00 0.00 0.00 21:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:36:01 docker0 3.05 2.03 0.62 7.46 0.00 0.00 0.00 21:37:01 eth0 0.92 0.08 0.07 0.01 0.00 0.00 0.00 21:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:38:01 eth0 1.03 0.42 0.32 0.20 0.00 0.00 0.00 21:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:39:01 eth0 0.48 0.33 0.28 0.20 0.00 0.00 0.00 21:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 eth0 0.33 0.23 0.14 0.07 0.00 0.00 0.00 21:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:41:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 21:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:42:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 21:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.61 3.95 5.33 5.07 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.42 0.28 0.09 1.03 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) 01/21/20 _x86_64_ (4 CPU) 21:34:00 LINUX RESTART 21:35:03 CPU %user %nice %system %iowait %steal %idle 21:36:01 all 2.11 0.00 1.85 0.07 7.32 88.65 21:36:01 0 2.13 0.00 2.10 0.05 7.84 87.88 21:36:01 1 2.46 0.00 2.21 0.08 7.04 88.20 21:36:01 2 1.94 0.00 1.67 0.07 7.12 89.20 21:36:01 3 1.90 0.00 1.45 0.08 7.26 89.31 21:37:01 all 0.12 0.00 0.06 0.00 0.28 99.53 21:37:01 0 0.23 0.00 0.05 0.00 0.45 99.27 21:37:01 1 0.05 0.00 0.07 0.00 0.30 99.58 21:37:01 2 0.07 0.00 0.07 0.00 0.20 99.67 21:37:01 3 0.18 0.00 0.05 0.00 0.18 99.58 21:38:01 all 0.16 0.00 0.10 0.00 0.12 99.62 21:38:01 0 0.37 0.00 0.07 0.00 0.10 99.47 21:38:01 1 0.12 0.00 0.08 0.00 0.20 99.60 21:38:01 2 0.10 0.00 0.23 0.00 0.08 99.58 21:38:01 3 0.03 0.00 0.03 0.00 0.07 99.87 21:39:01 all 0.12 0.00 0.05 0.00 0.25 99.59 21:39:01 0 0.25 0.00 0.03 0.00 0.22 99.50 21:39:01 1 0.07 0.00 0.05 0.00 0.35 99.53 21:39:01 2 0.10 0.00 0.07 0.00 0.37 99.47 21:39:01 3 0.03 0.00 0.02 0.00 0.05 99.90 21:40:01 all 0.14 0.00 0.06 0.00 0.20 99.60 21:40:01 0 0.08 0.00 0.07 0.00 0.38 99.47 21:40:01 1 0.07 0.00 0.05 0.00 0.15 99.73 21:40:01 2 0.40 0.00 0.05 0.00 0.20 99.35 21:40:01 3 0.03 0.00 0.05 0.00 0.05 99.87 21:41:01 all 0.14 0.00 0.04 0.00 0.06 99.76 21:41:01 0 0.07 0.00 0.05 0.00 0.05 99.83 21:41:01 1 0.05 0.00 0.03 0.00 0.03 99.88 21:41:01 2 0.40 0.00 0.05 0.00 0.08 99.47 21:41:01 3 0.03 0.00 0.02 0.00 0.08 99.87 21:42:01 all 0.10 0.00 0.04 0.00 0.27 99.59 21:42:01 0 0.15 0.00 0.07 0.00 0.23 99.55 21:42:01 1 0.03 0.00 0.02 0.00 0.22 99.73 21:42:01 2 0.20 0.00 0.07 0.00 0.30 99.43 21:42:01 3 0.02 0.00 0.02 0.00 0.32 99.65 Average: all 0.41 0.00 0.31 0.01 1.20 98.07 Average: 0 0.47 0.00 0.35 0.01 1.32 97.86 Average: 1 0.40 0.00 0.36 0.01 1.17 98.06 Average: 2 0.46 0.00 0.31 0.01 1.18 98.04 Average: 3 0.32 0.00 0.23 0.01 1.14 98.30