---> uname -a: Linux d01d0f02f92c 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-236@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-236 ---> free -m: total used free shared buff/cache available Mem: 1837 681 122 0 1033 1050 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) 06/17/20 _x86_64_ (4 CPU) 10:22:16 LINUX RESTART 10:23:02 tps rtps wtps bread/s bwrtn/s 10:24:01 33.76 10.14 23.62 4444.70 2266.53 10:25:01 0.60 0.00 0.60 0.00 15.01 10:26:01 0.28 0.00 0.28 0.00 3.91 10:27:01 0.27 0.00 0.27 0.00 3.25 Average: 8.63 2.50 6.12 1097.56 565.25 10:23:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:24:01 159876 1721680 91.50 2620 1121320 1134788 38.73 459000 1102452 20 10:25:01 164460 1717096 91.26 2620 1121324 1080668 36.88 458176 1099728 24 10:26:01 164068 1717488 91.28 2620 1121332 1080820 36.89 458864 1099732 12 10:27:01 161412 1720144 91.42 2620 1121332 1080880 36.89 461328 1099460 12 Average: 162454 1719102 91.37 2620 1121327 1094289 37.35 459342 1100343 17 10:23:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:24:01 eth0 145.12 108.13 457.31 48.17 0.00 0.00 0.00 10:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:24:01 docker0 4.88 3.28 0.83 8.80 0.00 0.00 0.00 10:25:01 eth0 2.17 0.98 1.42 0.07 0.00 0.00 0.00 10:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:26:01 eth0 0.90 0.43 0.32 0.18 0.00 0.00 0.00 10:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:27:01 eth0 0.47 0.32 0.27 0.23 0.00 0.00 0.00 10:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 36.72 27.14 113.43 12.01 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.20 0.81 0.21 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) 06/17/20 _x86_64_ (4 CPU) 10:22:16 LINUX RESTART 10:23:02 CPU %user %nice %system %iowait %steal %idle 10:24:01 all 3.09 0.00 1.56 1.11 0.00 94.24 10:24:01 0 2.89 0.00 1.72 0.56 0.00 94.82 10:24:01 1 3.18 0.00 1.31 1.44 0.02 94.06 10:24:01 2 2.82 0.00 1.70 1.58 0.02 93.88 10:24:01 3 3.49 0.00 1.50 0.83 0.00 94.19 10:25:01 all 0.18 0.00 0.03 0.00 0.00 99.79 10:25:01 0 0.03 0.00 0.05 0.00 0.00 99.92 10:25:01 1 0.05 0.00 0.03 0.00 0.00 99.92 10:25:01 2 0.57 0.00 0.03 0.00 0.00 99.40 10:25:01 3 0.05 0.00 0.03 0.00 0.00 99.92 10:26:01 all 0.15 0.00 0.03 0.00 0.00 99.82 10:26:01 0 0.02 0.00 0.02 0.00 0.00 99.97 10:26:01 1 0.53 0.00 0.03 0.00 0.00 99.43 10:26:01 2 0.02 0.00 0.00 0.00 0.00 99.98 10:26:01 3 0.05 0.00 0.05 0.00 0.00 99.90 10:27:01 all 0.15 0.00 0.02 0.00 0.00 99.83 10:27:01 0 0.02 0.00 0.02 0.00 0.00 99.97 10:27:01 1 0.50 0.00 0.02 0.00 0.00 99.48 10:27:01 2 0.03 0.00 0.02 0.00 0.00 99.95 10:27:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.88 0.00 0.40 0.27 0.00 98.44 Average: 0 0.73 0.00 0.44 0.14 0.00 98.69 Average: 1 1.05 0.00 0.34 0.36 0.00 98.24 Average: 2 0.85 0.00 0.43 0.39 0.00 98.33 Average: 3 0.89 0.00 0.40 0.21 0.00 98.51