---> uname -a: Linux 22677bc83796 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 722 123 0 991 1046 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) 08/05/20 _x86_64_ (4 CPU) 19:27:01 LINUX RESTART 19:28:01 tps rtps wtps bread/s bwrtn/s 19:29:01 56.65 13.41 43.24 4803.59 4759.12 19:30:01 1.70 0.00 1.70 0.00 32.83 19:31:01 0.25 0.00 0.25 0.00 3.47 19:32:01 0.22 0.00 0.22 0.00 2.94 19:33:01 25.22 2.57 22.65 365.84 14373.39 19:34:01 264.84 158.25 106.58 6654.71 31300.40 19:35:02 161.83 68.07 93.75 3182.99 19010.18 Average: 73.28 34.79 38.49 2152.01 9971.03 19:28:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:29:01 181272 1700284 90.37 2620 1171028 1091148 37.24 377880 1160948 120 19:30:01 187936 1693620 90.01 2620 1171032 1019672 34.80 376476 1157236 16 19:31:01 188124 1693432 90.00 2620 1171040 990896 33.82 377676 1156064 20 19:32:01 186436 1695120 90.09 2620 1171040 990980 33.82 382040 1153384 8 19:33:01 86596 1794960 95.40 2620 1168252 1432464 48.89 580868 1035432 111900 19:34:01 65948 1815608 96.50 2596 1131596 1459312 49.80 618556 974452 42792 19:35:02 226372 1655184 87.97 2492 967336 1284460 43.84 587848 781664 48 Average: 160383 1721173 91.48 2598 1135903 1181276 40.31 471621 1059883 22129 19:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:29:01 eth0 105.22 91.75 636.80 70.83 0.00 0.00 0.00 19:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 docker0 3.53 2.93 0.77 9.20 0.00 0.00 0.00 19:30:01 eth0 1.40 0.60 1.59 0.04 0.00 0.00 0.00 19:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 eth0 0.96 0.33 0.32 0.20 0.00 0.00 0.00 19:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 eth0 1.10 0.29 0.33 0.20 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 eth0 102.37 54.72 3742.44 7.08 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 eth0 135.25 93.95 3310.94 44.62 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 14.51 14.27 1.23 122.04 0.00 0.00 0.00 19:35:02 eth0 120.17 66.03 246.76 65.32 0.00 0.00 0.00 19:35:02 veth5fe40aa 1.31 1.06 0.25 0.26 0.00 0.00 0.00 19:35:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 19:35:02 docker0 37.06 53.36 3.26 317.72 0.00 0.00 0.00 Average: eth0 66.88 44.10 1139.67 26.98 0.00 0.00 0.00 Average: veth5fe40aa 0.19 0.15 0.04 0.04 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.31 7.64 0.47 45.49 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) 08/05/20 _x86_64_ (4 CPU) 19:27:01 LINUX RESTART 19:28:01 CPU %user %nice %system %iowait %steal %idle 19:29:01 all 5.40 0.00 3.09 1.53 12.04 77.94 19:29:01 0 4.47 0.00 2.98 0.45 12.38 79.72 19:29:01 1 4.87 0.00 2.51 1.39 12.18 79.05 19:29:01 2 8.19 0.00 3.74 3.84 11.78 72.46 19:29:01 3 4.18 0.00 3.15 0.51 11.84 80.31 19:30:01 all 0.13 0.00 0.06 0.00 0.32 99.49 19:30:01 0 0.05 0.00 0.07 0.00 0.33 99.55 19:30:01 1 0.38 0.00 0.08 0.00 0.38 99.15 19:30:01 2 0.05 0.00 0.05 0.00 0.32 99.58 19:30:01 3 0.05 0.00 0.05 0.00 0.25 99.65 19:31:01 all 0.11 0.00 0.07 0.00 0.84 98.99 19:31:01 0 0.05 0.00 0.03 0.00 0.76 99.16 19:31:01 1 0.30 0.00 0.07 0.00 1.04 98.59 19:31:01 2 0.05 0.00 0.08 0.00 1.01 98.86 19:31:01 3 0.05 0.00 0.07 0.00 0.53 99.35 19:32:01 all 0.08 0.00 0.04 0.00 0.77 99.10 19:32:01 0 0.02 0.00 0.03 0.00 0.84 99.11 19:32:01 1 0.25 0.00 0.05 0.00 0.62 99.07 19:32:01 2 0.03 0.00 0.05 0.00 1.26 98.66 19:32:01 3 0.02 0.00 0.05 0.00 0.37 99.56 19:33:01 all 1.75 0.00 1.21 0.34 10.18 86.52 19:33:01 0 1.47 0.00 0.95 0.68 10.03 86.87 19:33:01 1 2.21 0.00 1.29 0.02 10.28 86.21 19:33:01 2 1.79 0.00 1.27 0.03 10.86 86.05 19:33:01 3 1.53 0.00 1.34 0.64 9.58 86.91 19:34:01 all 5.65 0.00 4.51 2.41 26.30 61.13 19:34:01 0 4.64 0.00 4.18 1.89 27.83 61.46 19:34:01 1 4.67 0.00 3.50 3.81 26.47 61.55 19:34:01 2 6.93 0.00 5.55 2.64 27.14 57.74 19:34:01 3 6.47 0.00 4.86 1.28 23.65 63.74 19:35:02 all 5.60 0.00 5.11 1.49 19.60 68.19 19:35:02 0 4.31 0.00 5.30 1.69 21.06 67.64 19:35:02 1 4.23 0.00 4.72 1.37 19.43 70.24 19:35:02 2 8.24 0.00 6.03 0.87 19.05 65.81 19:35:02 3 5.69 0.00 4.42 2.05 18.83 69.01 Average: all 2.74 0.00 2.07 0.85 10.27 84.07 Average: 0 2.21 0.00 2.00 0.70 10.84 84.25 Average: 1 2.48 0.00 1.80 0.98 10.38 84.36 Average: 2 3.65 0.00 2.43 1.06 10.36 82.49 Average: 3 2.63 0.00 2.04 0.66 9.50 85.17