---> uname -a: Linux ea48e99b672b 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dry_go-mod-core-contracts_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 775 115 0 946 996 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) 09/11/20 _x86_64_ (4 CPU) 16:32:07 LINUX RESTART (4 CPU) 16:33:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:34:01 29.54 9.99 19.55 0.00 4404.00 2217.57 0.00 16:35:01 1.58 0.00 1.58 0.00 0.00 27.63 0.00 16:36:01 0.25 0.00 0.25 0.00 0.00 2.45 0.00 16:37:01 0.22 0.00 0.22 0.00 0.00 2.30 0.00 16:38:01 12.67 1.78 10.89 0.00 349.52 7645.15 0.00 16:39:01 352.60 163.59 189.02 0.00 9214.05 53718.72 0.00 Average: 66.28 29.29 36.98 0.00 2323.11 10630.48 0.00 16:33:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:34:01 168136 0 577664 30.70 2620 1133136 1124624 38.38 410196 1142640 24 16:35:01 174152 0 571644 30.38 2620 1133140 1081016 36.89 409068 1138424 8 16:36:01 172484 0 573308 30.47 2620 1133144 1081016 36.89 411372 1138416 8 16:37:01 170688 0 575100 30.57 2620 1133148 1081248 36.90 416088 1135728 20 16:38:01 72392 0 657060 34.92 2620 1149484 1514552 51.69 516904 1125564 104364 16:39:01 137388 0 740424 39.35 1948 1001796 1237776 42.24 580072 891388 200 Average: 149207 0 615867 32.73 2508 1113975 1186705 40.50 457283 1095360 17437 16:33:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:34:01 eth0 70.75 60.62 354.28 39.22 0.00 0.00 0.00 0.00 16:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 docker0 4.45 3.01 0.94 10.76 0.00 0.00 0.00 0.00 16:35:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 16:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:36:01 eth0 0.73 0.08 0.06 0.01 0.00 0.00 0.00 0.00 16:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:37:01 eth0 1.02 0.35 0.32 0.20 0.00 0.00 0.00 0.00 16:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:38:01 eth0 412.37 358.84 3776.59 26.14 0.00 0.00 0.00 0.00 16:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:39:01 vethd8a5aec 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 16:39:01 eth0 442.77 394.87 3367.88 93.89 0.00 0.00 0.00 0.00 16:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:39:01 docker0 17.87 16.84 1.36 121.59 0.00 0.00 0.00 0.00 Average: vethd8a5aec 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 154.90 136.06 1252.67 26.55 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.72 3.31 0.38 22.10 0.00 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) 09/11/20 _x86_64_ (4 CPU) 16:32:07 LINUX RESTART (4 CPU) 16:33:02 CPU %user %nice %system %iowait %steal %idle 16:34:01 all 2.51 0.00 1.54 0.60 0.04 95.31 16:34:01 0 2.49 0.00 1.30 0.32 0.05 95.84 16:34:01 1 2.26 0.00 2.25 0.71 0.03 94.74 16:34:01 2 2.33 0.00 1.53 1.28 0.05 94.81 16:34:01 3 2.96 0.00 1.07 0.10 0.03 95.83 16:35:01 all 0.15 0.00 0.05 0.00 0.01 99.80 16:35:01 0 0.05 0.00 0.03 0.00 0.02 99.90 16:35:01 1 0.05 0.00 0.07 0.00 0.02 99.87 16:35:01 2 0.02 0.00 0.05 0.00 0.00 99.93 16:35:01 3 0.47 0.00 0.03 0.00 0.00 99.50 16:36:01 all 0.15 0.00 0.03 0.00 0.00 99.83 16:36:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:36:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:36:01 2 0.03 0.00 0.02 0.00 0.00 99.95 16:36:01 3 0.52 0.00 0.03 0.00 0.00 99.45 16:37:01 all 0.16 0.00 0.03 0.00 0.00 99.81 16:37:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:37:01 1 0.05 0.00 0.05 0.00 0.02 99.88 16:37:01 2 0.02 0.00 0.02 0.00 0.00 99.97 16:37:01 3 0.53 0.00 0.02 0.00 0.00 99.45 16:38:01 all 1.92 0.00 1.08 0.01 0.07 96.92 16:38:01 0 1.80 0.00 1.06 0.00 0.07 97.07 16:38:01 1 2.04 0.00 0.92 0.00 0.08 96.95 16:38:01 2 1.84 0.00 1.17 0.02 0.08 96.88 16:38:01 3 1.98 0.00 1.18 0.03 0.05 96.76 16:39:01 all 13.95 0.00 9.12 3.64 0.21 73.08 16:39:01 0 13.95 0.00 9.15 1.28 0.21 75.41 16:39:01 1 13.38 0.00 9.10 4.65 0.24 72.63 16:39:01 2 14.67 0.00 10.14 4.48 0.22 70.49 16:39:01 3 13.80 0.00 8.09 4.13 0.17 73.81 Average: all 3.08 0.00 1.94 0.70 0.06 94.23 Average: 0 3.00 0.00 1.89 0.26 0.06 94.80 Average: 1 2.92 0.00 2.04 0.88 0.06 94.10 Average: 2 3.10 0.00 2.12 0.94 0.06 93.78 Average: 3 3.33 0.00 1.71 0.70 0.04 94.23