---> uname -a: Linux 93f57fd8ac86 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 760 112 0 965 1009 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) 06/16/20 _x86_64_ (4 CPU) 23:49:29 LINUX RESTART 23:50:02 tps rtps wtps bread/s bwrtn/s 23:51:01 188.04 102.79 85.25 12181.93 40703.62 23:52:01 6.36 0.58 5.78 9.06 117.15 23:53:01 0.32 0.02 0.30 0.13 4.72 23:54:01 0.42 0.07 0.35 4.79 5.99 23:55:01 0.28 0.00 0.28 0.00 3.59 23:56:01 21.01 2.65 18.36 402.53 11492.34 23:57:01 351.18 173.14 178.04 6928.85 45550.75 23:58:02 144.82 76.86 67.96 6728.52 17990.01 Average: 88.88 44.42 44.47 3266.02 14430.38 23:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:51:01 137600 1743956 92.69 2620 1142560 1465516 50.02 438284 1143476 1644 23:52:01 175752 1705804 90.66 2620 1142008 1166480 39.81 407456 1137888 20 23:53:01 184756 1696800 90.18 2620 1142016 1122608 38.31 405624 1131772 16 23:54:01 188452 1693104 89.98 2620 1142180 1082620 36.95 404872 1129712 12 23:55:01 186680 1694876 90.08 2620 1142188 1083008 36.96 413552 1122884 20 23:56:01 74176 1807380 96.06 2620 1166224 1508256 51.47 555468 1079284 87492 23:57:01 164808 1716748 91.24 2596 1022544 1105976 37.74 508088 925768 69468 23:58:02 75744 1805812 95.97 1492 1024348 1587468 54.18 710844 801332 54764 Average: 148496 1733060 92.11 2476 1115509 1265242 43.18 480524 1059015 26680 23:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:51:01 vethe40ce7d 4.47 3.76 0.86 8.91 0.00 0.00 0.00 23:51:01 eth0 283.77 184.42 1089.40 80.83 0.00 0.00 0.00 23:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:51:01 docker0 4.47 3.64 0.80 8.90 0.00 0.00 0.00 23:52:01 eth0 9.42 6.58 8.29 10.97 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 eth0 0.83 0.43 0.38 0.24 0.00 0.00 0.00 23:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 eth0 1.71 0.08 0.16 0.01 0.00 0.00 0.00 23:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:55:01 eth0 3.31 0.97 1.01 0.61 0.00 0.00 0.00 23:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:56:01 eth0 140.55 80.98 3764.25 10.50 0.00 0.00 0.00 23:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:57:01 eth0 158.12 96.32 3229.31 56.94 0.00 0.00 0.00 23:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:57:01 docker0 5.81 5.86 0.55 13.28 0.00 0.00 0.00 23:58:02 eth0 203.90 119.28 2526.58 80.56 0.00 0.00 0.00 23:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:58:02 docker0 28.29 37.81 1.94 157.15 0.00 0.00 0.00 Average: eth0 95.97 59.26 1323.47 29.86 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.84 5.94 0.41 22.55 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) 06/16/20 _x86_64_ (4 CPU) 23:49:29 LINUX RESTART 23:50:02 CPU %user %nice %system %iowait %steal %idle 23:51:01 all 14.88 0.00 9.36 8.87 18.43 48.46 23:51:01 0 13.81 0.00 8.64 7.43 19.21 50.90 23:51:01 1 17.55 0.00 12.94 9.37 17.98 42.16 23:51:01 2 13.76 0.00 7.77 8.37 18.20 51.90 23:51:01 3 14.51 0.00 8.20 10.33 18.31 48.64 23:52:01 all 0.50 0.00 0.14 0.04 0.83 98.49 23:52:01 0 0.18 0.00 0.15 0.05 0.80 98.82 23:52:01 1 0.76 0.00 0.12 0.02 0.98 98.12 23:52:01 2 0.52 0.00 0.17 0.07 0.95 98.30 23:52:01 3 0.55 0.00 0.10 0.02 0.60 98.73 23:53:01 all 0.14 0.00 0.06 0.01 0.22 99.56 23:53:01 0 0.03 0.00 0.08 0.05 0.17 99.67 23:53:01 1 0.07 0.00 0.05 0.00 0.28 99.60 23:53:01 2 0.42 0.00 0.07 0.00 0.18 99.33 23:53:01 3 0.03 0.00 0.07 0.00 0.28 99.62 23:54:01 all 0.12 0.00 0.04 0.01 0.49 99.35 23:54:01 0 0.03 0.00 0.05 0.05 0.45 99.42 23:54:01 1 0.02 0.00 0.05 0.00 0.56 99.37 23:54:01 2 0.36 0.00 0.03 0.00 0.58 99.02 23:54:01 3 0.05 0.00 0.03 0.00 0.37 99.55 23:55:01 all 0.09 0.00 0.05 0.00 0.85 99.01 23:55:01 0 0.02 0.00 0.12 0.00 0.70 99.17 23:55:01 1 0.10 0.00 0.02 0.00 1.17 98.71 23:55:01 2 0.15 0.00 0.05 0.00 0.52 99.29 23:55:01 3 0.10 0.00 0.02 0.00 1.01 98.88 23:56:01 all 2.06 0.00 1.36 0.08 3.08 93.42 23:56:01 0 1.95 0.00 1.54 0.00 3.37 93.14 23:56:01 1 1.78 0.00 1.03 0.03 3.23 93.92 23:56:01 2 2.58 0.00 1.79 0.00 2.75 92.87 23:56:01 3 1.91 0.00 1.06 0.25 2.95 93.83 23:57:01 all 9.20 0.00 6.49 1.88 16.67 65.77 23:57:01 0 9.36 0.00 6.03 1.15 18.15 65.31 23:57:01 1 8.98 0.00 6.88 2.09 16.10 65.95 23:57:01 2 8.67 0.00 5.89 1.01 16.47 67.95 23:57:01 3 9.79 0.00 7.18 3.32 15.92 63.79 23:58:02 all 5.54 0.00 4.81 2.50 11.64 75.50 23:58:02 0 7.86 0.00 5.33 1.44 11.90 73.46 23:58:02 1 3.56 0.00 4.16 2.49 11.81 77.98 23:58:02 2 4.95 0.00 5.11 2.35 11.86 75.73 23:58:02 3 5.89 0.00 4.69 3.73 10.96 74.73 Average: all 4.02 0.00 2.77 1.65 6.48 85.08 Average: 0 4.12 0.00 2.72 1.25 6.80 85.10 Average: 1 4.01 0.00 3.10 1.71 6.46 84.72 Average: 2 3.92 0.00 2.61 1.48 6.44 85.55 Average: 3 4.04 0.00 2.63 2.18 6.21 84.94