---> uname -a: Linux 359fd1e15495 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 8.5G 41.5G 17% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master ---> free -m: total used free shared buff/cache available Mem: 1837 748 122 0 966 1019 Swap: 1023 3 1020 ---> 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 16: eth0@if17: 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/13/20 _x86_64_ (4 CPU) 15:38:33 LINUX RESTART 15:39:02 tps rtps wtps bread/s bwrtn/s 15:40:02 162.50 77.00 85.50 9838.69 40393.37 15:41:01 7.48 1.84 5.63 130.58 143.18 15:42:01 1.63 0.00 1.63 0.00 32.37 15:43:01 0.32 0.00 0.32 0.00 4.45 15:44:01 67.35 29.14 38.21 1507.03 18926.19 15:45:01 330.79 168.68 162.11 7007.05 38928.88 15:46:03 126.30 82.66 43.63 6688.40 6996.61 Average: 99.75 51.55 48.20 3609.48 15037.59 15:39:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:02 123284 1758272 93.45 2620 1142848 1711404 58.41 440584 1154852 1868 15:41:01 164080 1717476 91.28 2620 1145804 1138388 38.85 404032 1152612 20 15:42:01 174132 1707424 90.75 2620 1145812 1067800 36.44 400864 1146428 8 15:43:01 172332 1709224 90.84 2620 1145812 1068080 36.45 403820 1145800 20 15:44:01 172280 1709276 90.84 2620 1069992 1282932 43.78 439596 1073412 104176 15:45:01 118496 1763060 93.70 2452 1028636 1337504 45.65 555364 922400 70636 15:46:03 83232 1798324 95.58 1604 1028680 1567540 53.50 659800 852884 62408 Average: 143977 1737579 92.35 2451 1101083 1310521 44.73 472009 1064055 34162 15:39:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:40:02 veth3b631b6 6.36 3.57 1.03 9.84 0.00 0.00 0.00 15:40:02 eth0 215.96 174.04 1085.56 71.81 0.00 0.00 0.00 15:40:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:40:02 docker0 6.36 3.46 0.94 9.83 0.00 0.00 0.00 15:41:01 eth0 11.15 10.81 9.93 26.87 0.00 0.00 0.00 15:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 15:42:01 eth0 1.15 0.08 0.11 0.01 0.00 0.00 0.00 15:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 eth0 0.50 0.32 0.27 0.20 0.00 0.00 0.00 15:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:01 eth0 114.44 68.10 3759.14 8.03 0.00 0.00 0.00 15:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 eth0 145.68 100.43 3333.16 48.38 0.00 0.00 0.00 15:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 docker0 13.81 13.51 1.16 121.72 0.00 0.00 0.00 15:46:03 eth0 157.70 104.47 1207.91 61.10 0.00 0.00 0.00 15:46:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:03 docker0 21.22 36.34 1.48 181.98 0.00 0.00 0.00 Average: eth0 89.92 63.34 1339.37 30.78 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.99 7.76 0.52 45.48 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/13/20 _x86_64_ (4 CPU) 15:38:33 LINUX RESTART 15:39:02 CPU %user %nice %system %iowait %steal %idle 15:40:02 all 14.46 0.00 8.98 7.86 17.69 51.00 15:40:02 0 13.33 0.00 10.24 6.12 19.00 51.31 15:40:02 1 17.28 0.00 10.43 9.25 16.66 46.39 15:40:02 2 13.39 0.00 7.28 6.96 17.84 54.53 15:40:02 3 13.94 0.00 8.08 9.19 17.22 51.57 15:41:01 all 0.74 0.00 0.18 0.22 0.88 97.98 15:41:01 0 0.56 0.00 0.12 0.00 1.20 98.13 15:41:01 1 0.88 0.00 0.14 0.05 0.73 98.20 15:41:01 2 0.73 0.00 0.20 0.56 1.00 97.51 15:41:01 3 0.76 0.00 0.25 0.27 0.59 98.12 15:42:01 all 0.09 0.00 0.04 0.00 0.47 99.40 15:42:01 0 0.27 0.00 0.02 0.00 0.35 99.37 15:42:01 1 0.02 0.00 0.05 0.00 0.22 99.72 15:42:01 2 0.08 0.00 0.08 0.00 0.68 99.15 15:42:01 3 0.02 0.00 0.03 0.00 0.65 99.30 15:43:01 all 0.11 0.00 0.03 0.00 0.42 99.44 15:43:01 0 0.28 0.00 0.03 0.00 0.33 99.35 15:43:01 1 0.03 0.00 0.02 0.00 0.32 99.63 15:43:01 2 0.07 0.00 0.02 0.00 0.32 99.60 15:43:01 3 0.05 0.00 0.05 0.00 0.71 99.19 15:44:01 all 3.06 0.00 1.93 0.34 8.69 85.99 15:44:01 0 3.39 0.00 2.37 1.00 9.18 84.07 15:44:01 1 2.69 0.00 1.30 0.07 8.12 87.83 15:44:01 2 2.70 0.00 1.69 0.15 8.95 86.51 15:44:01 3 3.47 0.00 2.35 0.18 8.52 85.47 15:45:01 all 7.78 0.00 6.17 2.70 19.38 63.97 15:45:01 0 7.89 0.00 6.84 1.69 20.51 63.07 15:45:01 1 6.70 0.00 5.88 2.19 18.54 66.69 15:45:01 2 7.28 0.00 5.33 3.23 18.89 65.27 15:45:01 3 9.27 0.00 6.67 3.68 19.60 60.79 15:46:03 all 4.65 0.00 3.96 2.43 13.43 75.54 15:46:03 0 2.89 0.00 3.39 1.12 15.09 77.50 15:46:03 1 4.72 0.00 3.83 1.94 12.70 76.82 15:46:03 2 8.33 0.00 5.27 3.67 12.93 69.79 15:46:03 3 2.73 0.00 3.41 2.99 13.00 77.88 Average: all 4.42 0.00 3.06 1.94 8.79 81.79 Average: 0 4.09 0.00 3.30 1.42 9.47 81.73 Average: 1 4.59 0.00 3.08 1.90 8.26 82.17 Average: 2 4.72 0.00 2.88 2.11 8.76 81.52 Average: 3 4.29 0.00 2.98 2.33 8.66 81.75