---> uname -a: Linux f59eae641e22 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 7.2G 42.8G 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-253@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-253 ---> free -m: total used free shared buff/cache available Mem: 1837 640 117 0 1080 1091 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) 07/31/20 _x86_64_ (4 CPU) 08:18:41 LINUX RESTART 08:19:01 tps rtps wtps bread/s bwrtn/s 08:20:01 182.56 102.98 79.57 11877.17 38284.43 08:21:01 22.20 3.98 18.23 1083.09 2112.97 08:22:01 1.63 0.00 1.63 0.00 28.88 08:23:01 0.22 0.00 0.22 0.00 2.28 08:24:01 0.23 0.00 0.23 0.00 3.48 08:25:02 0.37 0.00 0.37 0.00 4.46 Average: 34.63 17.88 16.75 2166.18 6759.35 08:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:01 67980 1813576 96.39 2620 1206888 1529896 52.21 462224 1192204 34624 08:21:01 164768 1716788 91.24 2620 1149312 1164748 39.75 428228 1126468 16 08:22:01 180072 1701484 90.43 2620 1149320 1062076 36.25 420692 1121632 8 08:23:01 176772 1704784 90.61 2620 1149320 1062292 36.25 424044 1121148 12 08:24:01 176768 1704788 90.61 2620 1149328 1062340 36.26 429556 1116048 8 08:25:02 178168 1703388 90.53 2620 1149332 1062160 36.25 429540 1114864 8 Average: 157421 1724135 91.63 2620 1158917 1157252 39.49 432381 1132061 5779 08:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:20:01 eth0 201.48 153.66 1003.12 57.91 0.00 0.00 0.00 08:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 eth0 30.86 29.56 36.79 41.51 0.00 0.00 0.00 08:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 docker0 4.11 3.63 0.81 9.25 0.00 0.00 0.00 08:22:01 eth0 0.67 0.08 0.06 0.01 0.00 0.00 0.00 08:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 eth0 1.10 0.35 0.32 0.21 0.00 0.00 0.00 08:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 eth0 0.37 0.33 0.26 0.20 0.00 0.00 0.00 08:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:02 eth0 0.27 0.18 0.14 0.07 0.00 0.00 0.00 08:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 39.22 30.77 173.97 16.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.68 0.60 0.14 1.54 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) 07/31/20 _x86_64_ (4 CPU) 08:18:41 LINUX RESTART 08:19:01 CPU %user %nice %system %iowait %steal %idle 08:20:01 all 13.52 0.00 8.77 10.28 19.91 47.52 08:20:01 0 10.80 0.00 7.61 11.72 21.73 48.14 08:20:01 1 15.40 0.00 11.82 8.95 18.56 45.28 08:20:01 2 16.95 0.00 8.32 9.72 19.16 45.85 08:20:01 3 11.21 0.00 7.48 10.62 20.09 50.61 08:21:01 all 1.54 0.00 1.33 0.50 9.27 87.35 08:21:01 0 1.80 0.00 1.04 0.27 10.56 86.33 08:21:01 1 1.41 0.00 1.54 0.18 9.42 87.45 08:21:01 2 1.63 0.00 1.41 0.22 8.70 88.03 08:21:01 3 1.31 0.00 1.33 1.31 8.40 87.65 08:22:01 all 0.10 0.00 0.06 0.00 0.37 99.47 08:22:01 0 0.25 0.00 0.08 0.00 0.91 98.76 08:22:01 1 0.05 0.00 0.07 0.00 0.33 99.55 08:22:01 2 0.03 0.00 0.05 0.02 0.08 99.82 08:22:01 3 0.05 0.00 0.05 0.00 0.18 99.72 08:23:01 all 0.12 0.00 0.04 0.00 0.68 99.15 08:23:01 0 0.33 0.00 0.05 0.00 1.36 98.26 08:23:01 1 0.05 0.00 0.05 0.00 0.28 99.62 08:23:01 2 0.05 0.00 0.02 0.00 0.61 99.32 08:23:01 3 0.08 0.00 0.03 0.00 0.45 99.43 08:24:01 all 0.11 0.00 0.04 0.00 0.29 99.56 08:24:01 0 0.37 0.00 0.05 0.00 0.12 99.47 08:24:01 1 0.02 0.00 0.02 0.00 0.13 99.83 08:24:01 2 0.03 0.00 0.08 0.00 0.55 99.34 08:24:01 3 0.03 0.00 0.02 0.00 0.37 99.58 08:25:02 all 0.07 0.00 0.03 0.00 0.53 99.37 08:25:02 0 0.02 0.00 0.02 0.00 0.15 99.82 08:25:02 1 0.20 0.00 0.03 0.00 0.50 99.27 08:25:02 2 0.03 0.00 0.07 0.00 0.65 99.25 08:25:02 3 0.03 0.00 0.03 0.00 0.84 99.09 Average: all 2.60 0.00 1.73 1.81 5.25 88.60 Average: 0 2.32 0.00 1.52 2.06 5.96 88.14 Average: 1 2.84 0.00 2.24 1.51 4.89 88.52 Average: 2 3.09 0.00 1.64 1.64 4.95 88.68 Average: 3 2.18 0.00 1.53 2.04 5.18 89.07