---> uname -a: Linux f10cb40f7ef1 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-207 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-207@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 584 67 0 1186 1150 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) 01/29/20 _x86_64_ (4 CPU) 20:01:42 LINUX RESTART 20:02:01 tps rtps wtps bread/s bwrtn/s 20:03:01 171.90 93.27 78.63 7849.92 37972.17 20:04:01 13.01 0.08 12.93 2.66 1914.31 20:05:01 2.88 0.00 2.88 0.00 90.28 20:06:01 0.57 0.00 0.57 0.00 6.22 20:07:01 0.70 0.00 0.70 0.00 8.23 20:08:01 0.80 0.00 0.80 0.00 11.07 20:09:01 122.59 79.35 43.24 5037.30 14629.20 Average: 44.35 24.52 19.83 1827.74 7735.12 20:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:03:01 111464 1770840 94.08 2620 1250860 936464 31.95 425156 1187472 52720 20:04:01 117820 1764484 93.74 2620 1251080 889572 30.35 419248 1187472 20 20:05:01 117448 1764856 93.76 2620 1251088 889676 30.36 419580 1187460 8 20:06:01 115676 1766628 93.85 2620 1251092 889688 30.36 421168 1187324 16 20:07:01 117424 1764880 93.76 2620 1251096 883380 30.14 419536 1187324 12 20:08:01 117528 1764776 93.76 2620 1251100 883480 30.14 419944 1187324 8 20:09:01 114360 1767944 93.92 2620 1191400 1031104 35.18 423332 1144628 102936 Average: 115960 1766344 93.84 2620 1242531 914766 31.21 421138 1181286 22246 20:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:03:01 eth0 253.67 186.02 1004.15 92.02 0.00 0.00 0.00 20:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 docker0 4.16 3.21 0.68 7.95 0.00 0.00 0.00 20:04:01 eth0 1.90 0.42 0.47 0.19 0.00 0.00 0.00 20:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:01 eth0 1.20 0.63 0.57 0.40 0.00 0.00 0.00 20:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:06:01 eth0 0.50 0.40 0.27 0.24 0.00 0.00 0.00 20:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:07:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 20:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 eth0 0.32 0.25 0.14 0.07 0.00 0.00 0.00 20:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 veth40fb1c9 0.00 0.03 0.00 0.00 0.00 0.00 0.00 20:09:01 eth0 367.44 263.67 3146.47 105.35 0.00 0.00 0.00 20:09:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 20:09:01 docker0 4.09 3.16 0.67 7.81 0.00 0.00 0.00 Average: veth40fb1c9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 52.64 37.77 450.77 15.09 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.59 0.45 0.10 1.12 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) 01/29/20 _x86_64_ (4 CPU) 20:01:42 LINUX RESTART 20:02:01 CPU %user %nice %system %iowait %steal %idle 20:03:01 all 13.66 0.00 8.66 7.31 13.56 56.81 20:03:01 0 13.46 0.00 7.75 4.92 13.99 59.88 20:03:01 1 14.40 0.00 10.65 10.65 13.44 50.86 20:03:01 2 13.03 0.00 7.26 5.79 13.72 60.20 20:03:01 3 13.76 0.00 8.98 7.91 13.10 56.25 20:04:01 all 0.15 0.00 0.12 0.00 0.56 99.17 20:04:01 0 0.03 0.00 0.10 0.00 0.51 99.35 20:04:01 1 0.10 0.00 0.12 0.00 0.55 99.24 20:04:01 2 0.43 0.00 0.17 0.00 0.86 98.54 20:04:01 3 0.05 0.00 0.10 0.00 0.32 99.53 20:05:01 all 0.13 0.00 0.04 0.00 0.74 99.10 20:05:01 0 0.02 0.00 0.03 0.00 0.33 99.62 20:05:01 1 0.18 0.00 0.05 0.00 1.40 98.37 20:05:01 2 0.28 0.00 0.05 0.00 0.60 99.07 20:05:01 3 0.03 0.00 0.03 0.00 0.61 99.32 20:06:01 all 0.12 0.00 0.06 0.00 0.19 99.63 20:06:01 0 0.33 0.00 0.07 0.00 0.17 99.43 20:06:01 1 0.05 0.00 0.05 0.00 0.20 99.70 20:06:01 2 0.07 0.00 0.05 0.00 0.12 99.77 20:06:01 3 0.03 0.00 0.05 0.00 0.25 99.67 20:07:01 all 0.15 0.00 0.06 0.00 0.08 99.71 20:07:01 0 0.10 0.00 0.08 0.00 0.07 99.75 20:07:01 1 0.28 0.00 0.07 0.00 0.07 99.58 20:07:01 2 0.13 0.00 0.07 0.00 0.07 99.73 20:07:01 3 0.08 0.00 0.07 0.00 0.13 99.72 20:08:01 all 0.10 0.00 0.05 0.00 0.05 99.80 20:08:01 0 0.05 0.00 0.05 0.00 0.02 99.88 20:08:01 1 0.22 0.00 0.05 0.00 0.10 99.63 20:08:01 2 0.07 0.00 0.03 0.00 0.07 99.83 20:08:01 3 0.05 0.00 0.05 0.00 0.02 99.88 20:09:01 all 4.02 0.00 3.10 2.20 7.16 83.52 20:09:01 0 4.11 0.00 3.75 1.79 6.99 83.36 20:09:01 1 3.39 0.00 2.88 2.13 7.54 84.07 20:09:01 2 3.42 0.00 2.20 1.22 7.19 85.97 20:09:01 3 5.19 0.00 3.59 3.74 6.89 80.60 Average: all 2.59 0.00 1.71 1.34 3.16 91.20 Average: 0 2.56 0.00 1.67 0.95 3.12 91.70 Average: 1 2.62 0.00 1.95 1.79 3.30 90.33 Average: 2 2.47 0.00 1.39 0.99 3.22 91.92 Average: 3 2.70 0.00 1.81 1.64 3.01 90.84