---> uname -a: Linux f2c075f190ce 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: 2933.436 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-244@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-244 ---> free -m: total used free shared buff/cache available Mem: 1837 645 113 0 1078 1085 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) 06/20/20 _x86_64_ (4 CPU) 06:02:07 LINUX RESTART 06:03:01 tps rtps wtps bread/s bwrtn/s 06:04:01 35.55 9.77 25.78 4325.03 2198.98 06:05:01 1.65 0.00 1.65 0.00 31.67 06:06:01 0.30 0.00 0.30 0.00 3.80 06:07:01 68.60 44.00 24.60 4773.63 12029.42 Average: 26.53 13.44 13.09 2274.94 3566.20 06:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:04:01 153688 1727868 91.83 2620 1156248 1129440 38.55 422316 1143784 24 06:05:01 160080 1721476 91.49 2620 1156252 1079280 36.83 420744 1140200 16 06:06:01 160400 1721156 91.48 2620 1156260 1079312 36.83 420996 1140200 16 06:07:01 186288 1695268 90.10 2620 1070740 1286032 43.89 459608 1052296 18276 Average: 165114 1716442 91.22 2620 1134875 1143516 39.03 430916 1119120 4583 06:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:04:01 eth0 116.26 83.80 451.40 47.06 0.00 0.00 0.00 06:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 docker0 4.04 2.81 0.77 8.69 0.00 0.00 0.00 06:05:01 eth0 1.20 0.55 0.60 0.22 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 eth0 1.37 0.50 0.58 0.39 0.00 0.00 0.00 06:06:01 lo 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 06:07:01 eth0 92.96 54.54 2324.67 8.02 0.00 0.00 0.00 06:07:01 lo 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 Average: eth0 52.95 34.85 694.36 13.92 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.01 0.70 0.19 2.17 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) 06/20/20 _x86_64_ (4 CPU) 06:02:07 LINUX RESTART 06:03:01 CPU %user %nice %system %iowait %steal %idle 06:04:01 all 3.57 0.00 1.77 0.86 0.65 93.15 06:04:01 0 3.15 0.00 1.63 0.03 0.65 94.53 06:04:01 1 3.02 0.00 1.86 0.25 0.60 94.26 06:04:01 2 4.59 0.00 2.10 2.50 0.59 90.23 06:04:01 3 3.51 0.00 1.48 0.69 0.74 93.59 06:05:01 all 0.13 0.00 0.05 0.00 0.05 99.77 06:05:01 0 0.03 0.00 0.05 0.00 0.05 99.87 06:05:01 1 0.05 0.00 0.03 0.00 0.08 99.83 06:05:01 2 0.40 0.00 0.07 0.00 0.05 99.48 06:05:01 3 0.03 0.00 0.02 0.00 0.03 99.92 06:06:01 all 0.08 0.00 0.03 0.00 0.03 99.86 06:06:01 0 0.05 0.00 0.02 0.00 0.00 99.93 06:06:01 1 0.05 0.00 0.05 0.00 0.03 99.87 06:06:01 2 0.17 0.00 0.03 0.00 0.03 99.77 06:06:01 3 0.03 0.00 0.03 0.00 0.03 99.90 06:07:01 all 3.91 0.00 1.81 0.81 0.59 92.88 06:07:01 0 3.54 0.00 1.73 0.13 0.57 94.03 06:07:01 1 3.19 0.00 1.85 0.44 0.59 93.93 06:07:01 2 3.61 0.00 1.71 0.32 0.59 93.77 06:07:01 3 5.32 0.00 1.93 2.34 0.61 89.80 Average: all 1.92 0.00 0.91 0.42 0.33 96.43 Average: 0 1.69 0.00 0.85 0.04 0.32 97.10 Average: 1 1.57 0.00 0.95 0.17 0.33 96.98 Average: 2 2.19 0.00 0.97 0.70 0.31 95.82 Average: 3 2.21 0.00 0.86 0.75 0.35 95.82