---> uname -a: Linux c87c1773166f 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 7.0G 43.0G 14% / 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-291 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-291@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 660 149 0 1027 1070 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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) 09/22/20 _x86_64_ (4 CPU) 14:27:35 LINUX RESTART (4 CPU) 14:28:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:29:01 134.85 47.59 87.27 0.00 7700.13 39938.08 0.00 14:30:01 3.33 0.00 3.33 0.00 0.00 111.11 0.00 14:31:01 0.28 0.00 0.28 0.00 0.00 4.20 0.00 14:32:01 0.30 0.00 0.30 0.00 0.00 3.53 0.00 14:33:02 0.22 0.00 0.22 0.00 0.00 2.70 0.00 14:34:01 0.37 0.00 0.37 0.00 0.00 5.33 0.00 Average: 23.30 7.96 15.34 0.00 1287.46 6698.84 0.00 14:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:29:01 172112 0 582644 30.97 2620 1124180 1109292 37.86 424652 1123948 120 14:30:01 175072 0 579680 30.81 2620 1124184 1094120 37.34 424512 1121980 20 14:31:01 176656 0 578088 30.72 2620 1124192 1075748 36.71 424580 1120712 8 14:32:01 176208 0 578536 30.75 2620 1124192 1075616 36.71 425568 1120216 8 14:33:02 175452 0 579284 30.79 2620 1124200 1075784 36.71 435840 1110696 8 14:34:01 176032 0 578700 30.76 2620 1124204 1075712 36.71 436476 1109704 12 Average: 175255 0 579489 30.80 2620 1124192 1084379 37.01 428605 1117876 29 14:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:29:01 eth0 530.51 343.43 1068.92 108.13 0.00 0.00 0.00 0.00 14:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:29:01 docker0 6.03 5.09 1.04 11.05 0.00 0.00 0.00 0.00 14:30:01 eth0 1.27 0.28 0.35 0.23 0.00 0.00 0.00 0.00 14:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 eth0 1.32 0.57 0.56 0.37 0.00 0.00 0.00 0.00 14:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 eth0 0.60 0.08 0.06 0.04 0.00 0.00 0.00 0.00 14:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:02 eth0 0.83 0.35 0.28 0.20 0.00 0.00 0.00 0.00 14:33:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:34:01 eth0 0.69 0.17 0.13 0.07 0.00 0.00 0.00 0.00 14:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 89.49 57.66 178.96 18.23 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 1.01 0.85 0.17 1.85 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) 09/22/20 _x86_64_ (4 CPU) 14:27:35 LINUX RESTART (4 CPU) 14:28:01 CPU %user %nice %system %iowait %steal %idle 14:29:01 all 13.20 0.00 7.12 7.97 0.01 71.71 14:29:01 0 13.11 0.00 7.52 9.13 0.00 70.24 14:29:01 1 15.70 0.00 6.35 5.70 0.00 72.25 14:29:01 2 11.79 0.00 7.07 6.67 0.03 74.44 14:29:01 3 12.18 0.00 7.52 10.41 0.00 69.88 14:30:01 all 0.17 0.00 0.04 0.00 0.00 99.78 14:30:01 0 0.05 0.00 0.05 0.00 0.00 99.90 14:30:01 1 0.03 0.00 0.05 0.00 0.00 99.92 14:30:01 2 0.05 0.00 0.03 0.00 0.00 99.92 14:30:01 3 0.57 0.00 0.03 0.00 0.00 99.40 14:31:01 all 0.17 0.00 0.05 0.00 0.00 99.78 14:31:01 0 0.03 0.00 0.07 0.00 0.02 99.88 14:31:01 1 0.03 0.00 0.03 0.00 0.00 99.93 14:31:01 2 0.05 0.00 0.05 0.00 0.00 99.90 14:31:01 3 0.55 0.00 0.03 0.00 0.00 99.42 14:32:01 all 0.14 0.00 0.04 0.00 0.00 99.82 14:32:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:32:01 1 0.02 0.00 0.02 0.00 0.00 99.97 14:32:01 2 0.05 0.00 0.07 0.00 0.00 99.88 14:32:01 3 0.47 0.00 0.03 0.00 0.00 99.50 14:33:02 all 0.17 0.00 0.05 0.00 0.00 99.78 14:33:02 0 0.10 0.00 0.05 0.00 0.00 99.85 14:33:02 1 0.03 0.00 0.08 0.00 0.00 99.88 14:33:02 2 0.07 0.00 0.05 0.00 0.00 99.88 14:33:02 3 0.50 0.00 0.02 0.00 0.00 99.48 14:34:01 all 0.16 0.00 0.08 0.00 0.00 99.75 14:34:01 0 0.52 0.00 0.02 0.00 0.00 99.46 14:34:01 1 0.05 0.00 0.22 0.00 0.00 99.73 14:34:01 2 0.03 0.00 0.07 0.00 0.00 99.90 14:34:01 3 0.03 0.00 0.03 0.00 0.02 99.92 Average: all 2.32 0.00 1.22 1.32 0.00 95.13 Average: 0 2.29 0.00 1.28 1.51 0.00 94.91 Average: 1 2.63 0.00 1.12 0.95 0.00 95.30 Average: 2 2.00 0.00 1.22 1.11 0.01 95.68 Average: 3 2.37 0.00 1.27 1.72 0.00 94.64