---> uname -a: Linux 8fcaf4cecc36 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-303 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-303@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 634 129 0 1073 1095 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) 04:46:23 LINUX RESTART (4 CPU) 04:47:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:48:02 92.65 40.42 52.23 0.00 7506.09 5018.91 0.00 04:49:01 2.45 0.00 2.45 0.00 0.00 55.51 0.00 04:50:01 0.45 0.00 0.45 0.00 0.00 6.64 0.00 04:51:01 0.25 0.00 0.25 0.00 0.00 2.56 0.00 04:52:01 0.15 0.00 0.15 0.00 0.00 2.08 0.00 04:53:01 0.92 0.17 0.75 0.00 12.25 16.82 0.00 04:54:01 0.17 0.02 0.15 0.00 0.13 1.76 0.00 Average: 13.90 5.82 8.08 0.00 1077.65 731.47 0.00 04:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:48:02 174276 0 553952 29.44 2620 1150708 1156360 39.46 423152 1122320 120 04:49:01 183968 0 544256 28.93 2620 1150712 1082924 36.96 418248 1119284 12 04:50:01 183060 0 545156 28.97 2620 1150720 1081256 36.90 419720 1119188 8 04:51:01 181096 0 547120 29.08 2620 1150720 1081352 36.90 426368 1114568 20 04:52:01 180972 0 547236 29.08 2620 1150728 1081004 36.89 432052 1108776 16 04:53:01 175596 0 552120 29.34 2620 1151220 1093204 37.31 436348 1109104 20 04:54:01 175156 0 552556 29.37 2620 1151224 1093220 37.31 436744 1109100 8 Average: 179161 0 548914 29.17 2620 1150862 1095617 37.39 427519 1114620 29 04:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:48:02 eth0 253.74 175.36 1047.33 92.25 0.00 0.00 0.00 0.00 04:48:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:02 docker0 3.67 3.23 0.92 11.15 0.00 0.00 0.00 0.00 04:49:01 eth0 0.42 0.10 0.02 0.01 0.00 0.00 0.00 0.00 04:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 eth0 1.38 0.92 2.79 0.06 0.00 0.00 0.00 0.00 04:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 eth0 1.18 0.58 0.57 0.37 0.00 0.00 0.00 0.00 04:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 0.00 04:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 eth0 7.29 4.13 6.57 3.08 0.00 0.00 0.00 0.00 04:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 eth0 1.50 0.92 1.15 0.58 0.00 0.00 0.00 0.00 04:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 38.07 26.10 151.71 13.81 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 0.53 0.46 0.13 1.60 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) 04:46:23 LINUX RESTART (4 CPU) 04:47:01 CPU %user %nice %system %iowait %steal %idle 04:48:02 all 13.85 0.00 6.12 2.83 12.08 65.11 04:48:02 0 13.72 0.00 5.48 2.38 12.61 65.81 04:48:02 1 14.53 0.00 7.00 3.06 11.71 63.70 04:48:02 2 11.11 0.00 6.22 3.30 11.82 67.55 04:48:02 3 16.16 0.00 5.80 2.59 12.18 63.28 04:49:01 all 0.13 0.00 0.06 0.00 0.32 99.49 04:49:01 0 0.32 0.00 0.03 0.00 0.27 99.37 04:49:01 1 0.10 0.00 0.08 0.00 0.51 99.31 04:49:01 2 0.03 0.00 0.07 0.00 0.17 99.73 04:49:01 3 0.05 0.00 0.07 0.00 0.32 99.56 04:50:01 all 0.12 0.00 0.04 0.00 0.42 99.42 04:50:01 0 0.20 0.00 0.02 0.00 0.40 99.38 04:50:01 1 0.17 0.00 0.07 0.00 0.76 99.00 04:50:01 2 0.05 0.00 0.07 0.00 0.13 99.75 04:50:01 3 0.08 0.00 0.02 0.00 0.37 99.53 04:51:01 all 0.10 0.00 0.04 0.00 0.28 99.59 04:51:01 0 0.03 0.00 0.02 0.00 0.25 99.70 04:51:01 1 0.03 0.00 0.03 0.00 0.42 99.52 04:51:01 2 0.03 0.00 0.05 0.00 0.07 99.85 04:51:01 3 0.28 0.00 0.05 0.00 0.38 99.28 04:52:01 all 0.11 0.00 0.09 0.00 0.27 99.53 04:52:01 0 0.02 0.00 0.02 0.00 0.08 99.88 04:52:01 1 0.05 0.00 0.07 0.00 0.47 99.42 04:52:01 2 0.02 0.00 0.22 0.00 0.27 99.50 04:52:01 3 0.35 0.00 0.05 0.00 0.28 99.32 04:53:01 all 0.17 0.00 0.07 0.00 0.38 99.38 04:53:01 0 0.15 0.00 0.12 0.00 0.28 99.45 04:53:01 1 0.17 0.00 0.07 0.02 0.42 99.33 04:53:01 2 0.13 0.00 0.07 0.00 0.27 99.53 04:53:01 3 0.22 0.00 0.03 0.00 0.56 99.19 04:54:01 all 0.07 0.00 0.05 0.00 0.41 99.46 04:54:01 0 0.03 0.00 0.05 0.00 0.18 99.73 04:54:01 1 0.20 0.00 0.05 0.00 0.32 99.43 04:54:01 2 0.05 0.00 0.07 0.00 0.53 99.35 04:54:01 3 0.02 0.00 0.05 0.02 0.60 99.32 Average: all 2.06 0.00 0.92 0.40 2.00 94.62 Average: 0 2.05 0.00 0.81 0.34 2.00 94.80 Average: 1 2.14 0.00 1.04 0.43 2.06 94.33 Average: 2 1.65 0.00 0.97 0.48 1.91 94.99 Average: 3 2.39 0.00 0.84 0.36 2.05 94.36