---> uname -a: Linux d01726882816 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% /w/workspace/dry_go-mod-core-contracts_PR-281 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-281@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 653 145 0 1037 1077 Swap: 1023 1 1022 ---> 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) 09/08/20 _x86_64_ (4 CPU) 23:05:11 LINUX RESTART (4 CPU) 23:06:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:07:01 36.31 11.69 24.62 0.00 4463.19 2475.46 0.00 23:08:01 1.50 0.00 1.50 0.00 0.00 28.67 0.00 23:09:01 0.27 0.00 0.27 0.00 0.00 2.61 0.00 23:10:01 0.52 0.00 0.52 0.00 0.00 5.78 0.00 23:11:01 0.45 0.00 0.45 0.00 0.00 5.46 0.00 23:12:01 0.33 0.00 0.33 0.00 0.00 5.46 0.00 23:13:01 0.33 0.02 0.32 0.00 0.13 3.26 0.00 Average: 5.67 1.67 4.00 0.00 637.82 361.07 0.00 23:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:07:01 162552 0 576084 30.62 2620 1140300 1124132 38.36 437524 1119952 28 23:08:01 168668 0 569964 30.29 2620 1140304 1081540 36.91 435200 1117380 8 23:09:01 168704 0 569920 30.29 2620 1140312 1081540 36.91 437140 1115572 8 23:10:01 165452 0 573172 30.46 2620 1140312 1081832 36.92 443080 1113200 8 23:11:01 166136 0 572484 30.43 2620 1140316 1081700 36.92 445544 1110140 20 23:12:01 166012 0 572596 30.43 2620 1140328 1081724 36.92 445840 1110140 8 23:13:01 166396 0 572208 30.41 2620 1140332 1081604 36.91 445200 1110140 8 Average: 166274 0 572347 30.42 2620 1140315 1087725 37.12 441361 1113789 13 23:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:07:01 eth0 153.09 107.92 456.17 45.70 0.00 0.00 0.00 0.00 23:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 docker0 3.86 2.91 0.85 10.39 0.00 0.00 0.00 0.00 23:08:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 eth0 0.58 0.07 0.06 0.01 0.00 0.00 0.00 0.00 23:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 eth0 0.48 0.33 0.29 0.20 0.00 0.00 0.00 0.00 23:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 eth0 0.93 0.20 0.20 0.07 0.00 0.00 0.00 0.00 23:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 eth0 0.52 0.30 0.27 0.17 0.00 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 0.00 23:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 22.27 15.57 65.31 6.60 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 0.55 0.42 0.12 1.48 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) 09/08/20 _x86_64_ (4 CPU) 23:05:11 LINUX RESTART (4 CPU) 23:06:01 CPU %user %nice %system %iowait %steal %idle 23:07:01 all 3.31 0.00 1.84 0.83 0.01 94.01 23:07:01 0 3.30 0.00 1.96 0.74 0.02 93.99 23:07:01 1 3.43 0.00 2.07 0.28 0.02 94.20 23:07:01 2 3.55 0.00 1.74 2.18 0.00 92.54 23:07:01 3 2.96 0.00 1.59 0.13 0.00 95.31 23:08:01 all 0.15 0.00 0.05 0.00 0.00 99.80 23:08:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:08:01 1 0.53 0.00 0.05 0.00 0.00 99.42 23:08:01 2 0.03 0.00 0.05 0.00 0.00 99.92 23:08:01 3 0.02 0.00 0.03 0.00 0.00 99.95 23:09:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:09:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:09:01 1 0.53 0.00 0.03 0.00 0.00 99.43 23:09:01 2 0.07 0.00 0.07 0.00 0.00 99.87 23:09:01 3 0.03 0.00 0.02 0.00 0.02 99.93 23:10:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:10:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:10:01 1 0.57 0.00 0.02 0.00 0.00 99.42 23:10:01 2 0.07 0.00 0.08 0.00 0.00 99.85 23:10:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:11:01 all 0.17 0.00 0.05 0.00 0.00 99.78 23:11:01 0 0.05 0.00 0.07 0.00 0.00 99.88 23:11:01 1 0.53 0.00 0.03 0.00 0.00 99.43 23:11:01 2 0.05 0.00 0.05 0.00 0.02 99.88 23:11:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:12:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:12:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:12:01 1 0.53 0.00 0.02 0.00 0.00 99.45 23:12:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:12:01 3 0.03 0.00 0.02 0.00 0.00 99.95 23:13:01 all 0.16 0.00 0.02 0.00 0.00 99.81 23:13:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:13:01 1 0.53 0.00 0.02 0.00 0.00 99.45 23:13:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:13:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.61 0.00 0.29 0.12 0.00 98.97 Average: 0 0.50 0.00 0.31 0.10 0.00 99.08 Average: 1 0.95 0.00 0.32 0.04 0.00 98.69 Average: 2 0.55 0.00 0.30 0.31 0.00 98.84 Average: 3 0.44 0.00 0.25 0.02 0.00 99.29