---> uname -a: Linux 9a6c22a4358c 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-303 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-303@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 642 146 0 1048 1087 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) 09/25/20 _x86_64_ (4 CPU) 06:02:42 LINUX RESTART (4 CPU) 06:04:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:05:01 39.79 10.65 29.14 0.00 4459.46 2613.44 0.00 06:06:01 1.26 0.00 1.26 0.00 0.00 21.11 0.00 06:07:01 0.25 0.00 0.25 0.00 0.00 3.25 0.00 06:08:01 0.28 0.00 0.28 0.00 0.00 3.35 0.00 06:09:01 82.56 47.74 34.83 0.00 5410.98 6408.97 0.00 Average: 24.79 11.69 13.11 0.00 1966.76 1808.08 0.00 06:04:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:05:01 161152 0 574832 30.55 2620 1142952 1171560 39.98 432308 1124464 120 06:06:01 172520 0 563460 29.95 2620 1142956 1096788 37.43 425608 1121252 20 06:07:01 171588 0 564384 30.00 2620 1142964 1075428 36.70 427516 1120460 20 06:08:01 172024 0 563948 29.97 2620 1142964 1075440 36.70 435472 1112540 8 06:09:01 114348 0 633608 33.67 2620 1130980 1289260 44.00 451620 1121332 16 Average: 158326 0 580046 30.83 2620 1140563 1141695 38.96 434505 1120010 37 06:04:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:05:01 eth0 68.95 54.66 353.35 50.05 0.00 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 2.59 2.79 0.82 11.31 0.00 0.00 0.00 0.00 06:06:01 eth0 1.76 0.98 1.43 0.25 0.00 0.00 0.00 0.00 06:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 eth0 0.70 0.38 0.31 0.17 0.00 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 eth0 0.52 0.28 0.28 0.23 0.00 0.00 0.00 0.00 06:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 eth0 87.57 66.47 743.67 11.70 0.00 0.00 0.00 0.00 06:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 31.79 24.47 219.46 12.36 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 0.51 0.55 0.16 2.23 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) 09/25/20 _x86_64_ (4 CPU) 06:02:42 LINUX RESTART (4 CPU) 06:04:02 CPU %user %nice %system %iowait %steal %idle 06:05:01 all 3.48 0.00 2.85 0.48 11.78 81.41 06:05:01 0 3.22 0.00 2.47 0.13 12.12 82.06 06:05:01 1 3.83 0.00 2.99 0.66 12.34 80.18 06:05:01 2 3.11 0.00 3.13 0.94 10.98 81.84 06:05:01 3 3.78 0.00 2.82 0.20 11.66 81.55 06:06:01 all 0.10 0.00 0.12 0.00 0.43 99.35 06:06:01 0 0.18 0.00 0.12 0.00 0.30 99.40 06:06:01 1 0.07 0.00 0.12 0.00 0.50 99.32 06:06:01 2 0.12 0.00 0.15 0.00 0.47 99.27 06:06:01 3 0.03 0.00 0.10 0.00 0.46 99.40 06:07:01 all 0.10 0.00 0.04 0.00 0.28 99.58 06:07:01 0 0.03 0.00 0.02 0.00 0.08 99.87 06:07:01 1 0.08 0.00 0.07 0.00 0.52 99.34 06:07:01 2 0.25 0.00 0.05 0.00 0.25 99.45 06:07:01 3 0.03 0.00 0.03 0.00 0.27 99.67 06:08:01 all 0.10 0.00 0.06 0.00 0.17 99.66 06:08:01 0 0.02 0.00 0.02 0.00 0.12 99.85 06:08:01 1 0.03 0.00 0.05 0.00 0.25 99.67 06:08:01 2 0.35 0.00 0.13 0.00 0.23 99.28 06:08:01 3 0.02 0.00 0.05 0.00 0.08 99.85 06:09:01 all 2.47 0.00 1.65 1.53 5.73 88.62 06:09:01 0 1.72 0.00 1.41 0.28 6.11 90.48 06:09:01 1 3.85 0.00 2.16 2.31 6.14 85.55 06:09:01 2 2.04 0.00 1.57 1.82 5.30 89.27 06:09:01 3 2.29 0.00 1.47 1.72 5.35 89.17 Average: all 1.26 0.00 0.95 0.40 3.70 93.69 Average: 0 1.05 0.00 0.82 0.08 3.79 94.26 Average: 1 1.58 0.00 1.08 0.59 3.97 92.78 Average: 2 1.18 0.00 1.01 0.55 3.46 93.80 Average: 3 1.23 0.00 0.90 0.38 3.58 93.90