---> uname -a: Linux 860e13866d22 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: 2933.436 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 769 110 0 957 1000 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) 07/10/20 _x86_64_ (4 CPU) 16:02:40 LINUX RESTART 16:03:02 tps rtps wtps bread/s bwrtn/s 16:04:01 122.33 43.39 78.94 7547.38 31592.67 16:05:01 1.33 0.02 1.32 0.53 30.16 16:06:01 0.58 0.00 0.58 0.00 7.06 16:07:01 0.60 0.00 0.60 0.00 7.06 16:08:01 0.38 0.00 0.38 0.00 6.51 16:09:01 0.25 0.00 0.25 0.00 3.51 16:10:02 294.80 162.48 132.33 7357.80 50000.05 16:11:01 234.63 117.40 117.23 7806.91 21693.33 Average: 81.55 40.30 41.26 2821.13 12875.74 16:03:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:04:01 140792 1740764 92.52 2620 1165572 1130620 38.59 402280 1176436 120 16:05:01 141052 1740504 92.50 2620 1165576 1130464 38.58 403344 1175648 8 16:06:01 148644 1732912 92.10 2620 1165580 1072280 36.59 400580 1172096 8 16:07:01 147872 1733684 92.14 2620 1165584 1072440 36.60 401432 1172096 16 16:08:01 146520 1735036 92.21 2620 1165588 1072476 36.60 409552 1165372 8 16:09:01 147248 1734308 92.17 2620 1165596 1072368 36.60 408864 1165372 8 16:10:02 71700 1809856 96.19 2596 1096496 1498144 51.13 635768 954036 68408 16:11:01 93060 1788496 95.05 1492 1006788 1516176 51.74 671888 837560 51272 Average: 129611 1751945 93.11 2476 1137098 1195621 40.80 466714 1102327 14981 16:03:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:04:01 eth0 422.30 221.30 1064.19 92.53 0.00 0.00 0.00 16:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 docker0 3.81 3.15 0.78 9.15 0.00 0.00 0.00 16:05:01 eth0 4.83 3.53 4.28 0.44 0.00 0.00 0.00 16:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 eth0 0.62 0.08 0.06 0.01 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 eth0 1.13 0.45 0.32 0.21 0.00 0.00 0.00 16:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 eth0 0.53 0.47 0.28 0.21 0.00 0.00 0.00 16:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 16:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:02 eth0 303.12 192.40 7070.04 28.82 0.00 0.00 0.00 16:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:02 docker0 14.31 13.88 1.13 119.57 0.00 0.00 0.00 16:11:01 eth0 235.43 171.99 2606.40 86.01 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 49.07 57.41 3.05 177.86 0.00 0.00 0.00 Average: eth0 120.25 73.34 1343.40 25.78 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.33 9.22 0.62 38.13 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) 07/10/20 _x86_64_ (4 CPU) 16:02:40 LINUX RESTART 16:03:02 CPU %user %nice %system %iowait %steal %idle 16:04:01 all 15.39 0.00 6.68 4.58 0.13 73.21 16:04:01 0 13.41 0.00 7.29 4.27 0.14 74.90 16:04:01 1 16.42 0.00 6.52 2.18 0.12 74.75 16:04:01 2 15.39 0.00 6.76 4.64 0.10 73.11 16:04:01 3 16.35 0.00 6.18 7.28 0.17 70.02 16:05:01 all 0.20 0.00 0.06 0.00 0.01 99.73 16:05:01 0 0.08 0.00 0.07 0.00 0.00 99.85 16:05:01 1 0.52 0.00 0.03 0.00 0.03 99.42 16:05:01 2 0.10 0.00 0.12 0.00 0.00 99.78 16:05:01 3 0.08 0.00 0.07 0.00 0.00 99.85 16:06:01 all 0.15 0.00 0.04 0.00 0.00 99.81 16:06:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:06:01 1 0.45 0.00 0.02 0.00 0.00 99.53 16:06:01 2 0.08 0.00 0.05 0.00 0.02 99.85 16:06:01 3 0.02 0.00 0.03 0.00 0.00 99.95 16:07:01 all 0.15 0.00 0.03 0.00 0.00 99.81 16:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:07:01 1 0.47 0.00 0.03 0.00 0.00 99.50 16:07:01 2 0.10 0.00 0.05 0.00 0.00 99.85 16:07:01 3 0.02 0.00 0.02 0.00 0.00 99.97 16:08:01 all 0.15 0.00 0.03 0.00 0.00 99.82 16:08:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:08:01 1 0.48 0.00 0.02 0.00 0.00 99.50 16:08:01 2 0.05 0.00 0.05 0.00 0.02 99.88 16:08:01 3 0.03 0.00 0.02 0.00 0.00 99.95 16:09:01 all 0.15 0.00 0.02 0.00 0.00 99.82 16:09:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:09:01 1 0.50 0.00 0.02 0.00 0.00 99.48 16:09:01 2 0.05 0.00 0.07 0.00 0.00 99.88 16:09:01 3 0.02 0.00 0.02 0.00 0.00 99.97 16:10:02 all 12.56 0.00 7.07 2.98 0.14 77.24 16:10:02 0 12.06 0.00 7.11 3.06 0.19 77.59 16:10:02 1 12.55 0.00 6.49 2.29 0.10 78.57 16:10:02 2 11.88 0.00 7.39 2.56 0.14 78.03 16:10:02 3 13.78 0.00 7.27 3.98 0.17 74.79 16:11:01 all 8.71 0.00 6.16 3.36 0.14 81.64 16:11:01 0 8.04 0.00 6.76 2.28 0.16 82.76 16:11:01 1 7.48 0.00 6.67 3.22 0.12 82.51 16:11:01 2 12.05 0.00 6.01 5.77 0.15 76.02 16:11:01 3 7.25 0.00 5.15 2.17 0.12 85.31 Average: all 4.61 0.00 2.47 1.34 0.05 91.53 Average: 0 4.15 0.00 2.62 1.18 0.06 91.99 Average: 1 4.79 0.00 2.43 0.94 0.05 91.79 Average: 2 4.88 0.00 2.52 1.59 0.05 90.95 Average: 3 4.61 0.00 2.31 1.65 0.06 91.38