---> uname -a: Linux dbdd1dcdc3fd 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-242@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-242 ---> free -m: total used free shared buff/cache available Mem: 1837 625 114 0 1098 1107 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) 06/16/20 _x86_64_ (4 CPU) 23:08:44 LINUX RESTART 23:10:01 tps rtps wtps bread/s bwrtn/s 23:11:01 21.87 3.20 18.68 1346.47 2333.57 23:12:01 1.48 0.00 1.48 0.00 29.13 23:13:01 0.28 0.00 0.28 0.00 4.50 23:14:01 0.18 0.00 0.18 0.00 2.01 23:15:02 0.47 0.00 0.47 0.00 6.63 23:16:01 0.29 0.02 0.27 0.14 3.18 23:17:01 0.28 0.00 0.28 0.00 3.51 Average: 3.56 0.46 3.10 192.83 341.15 23:10:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:11:01 175940 1705616 90.65 2620 1168908 1128344 38.51 413876 1130268 16 23:12:01 185520 1696036 90.14 2620 1168912 1054696 35.99 408384 1127828 12 23:13:01 183968 1697588 90.22 2620 1168920 1055112 36.01 410232 1127828 16 23:14:01 184004 1697552 90.22 2620 1168920 1054824 36.00 414780 1123196 16 23:15:02 182196 1699360 90.32 2620 1168928 1054908 36.00 417020 1123200 8 23:16:01 179800 1701756 90.44 2620 1168936 1055156 36.01 435324 1106736 12 23:17:01 181004 1700552 90.38 2620 1168940 1054952 36.00 434100 1106736 8 Average: 181776 1699780 90.34 2620 1168923 1065427 36.36 419102 1120827 13 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:11:01 eth0 41.76 34.47 336.04 32.29 0.00 0.00 0.00 23:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 docker0 3.99 3.25 0.75 8.69 0.00 0.00 0.00 23:12:01 eth0 0.08 0.08 0.01 0.02 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 eth0 1.78 1.20 3.05 0.11 0.00 0.00 0.00 23:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 eth0 0.10 0.17 0.01 0.16 0.00 0.00 0.00 23:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:02 eth0 0.77 0.17 0.13 0.07 0.00 0.00 0.00 23:15:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:01 eth0 0.56 0.49 0.34 0.23 0.00 0.00 0.00 23:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 6.46 5.25 48.63 4.71 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.57 0.46 0.11 1.24 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) 06/16/20 _x86_64_ (4 CPU) 23:08:44 LINUX RESTART 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:11:01 all 1.72 0.00 1.46 0.38 4.77 91.66 23:11:01 0 1.63 0.00 1.49 0.03 4.82 92.03 23:11:01 1 1.51 0.00 1.25 1.14 5.14 90.96 23:11:01 2 1.86 0.00 1.59 0.18 4.40 91.96 23:11:01 3 1.87 0.00 1.51 0.13 4.76 91.73 23:12:01 all 0.12 0.00 0.05 0.00 0.12 99.71 23:12:01 0 0.03 0.00 0.05 0.00 0.12 99.80 23:12:01 1 0.37 0.00 0.05 0.00 0.22 99.37 23:12:01 2 0.02 0.00 0.03 0.00 0.03 99.92 23:12:01 3 0.03 0.00 0.08 0.00 0.13 99.75 23:13:01 all 0.15 0.00 0.04 0.00 0.18 99.63 23:13:01 0 0.07 0.00 0.02 0.00 0.08 99.83 23:13:01 1 0.38 0.00 0.05 0.00 0.22 99.35 23:13:01 2 0.03 0.00 0.02 0.00 0.13 99.82 23:13:01 3 0.12 0.00 0.07 0.00 0.27 99.55 23:14:01 all 0.08 0.00 0.04 0.00 0.54 99.34 23:14:01 0 0.02 0.00 0.05 0.00 0.35 99.58 23:14:01 1 0.23 0.00 0.05 0.00 0.30 99.42 23:14:01 2 0.03 0.00 0.03 0.00 0.91 99.02 23:14:01 3 0.05 0.00 0.03 0.00 0.58 99.34 23:15:02 all 0.07 0.00 0.03 0.00 0.36 99.54 23:15:02 0 0.05 0.00 0.10 0.02 0.71 99.12 23:15:02 1 0.20 0.00 0.00 0.00 0.22 99.58 23:15:02 2 0.03 0.00 0.02 0.00 0.33 99.62 23:15:02 3 0.00 0.00 0.00 0.00 0.17 99.83 23:16:01 all 0.06 0.00 0.04 0.00 0.92 98.97 23:16:01 0 0.03 0.00 0.10 0.00 0.71 99.16 23:16:01 1 0.17 0.00 0.02 0.00 0.66 99.16 23:16:01 2 0.03 0.00 0.03 0.00 1.66 98.27 23:16:01 3 0.03 0.00 0.02 0.00 0.66 99.29 23:17:01 all 0.08 0.00 0.03 0.00 0.72 99.16 23:17:01 0 0.02 0.00 0.02 0.00 0.45 99.52 23:17:01 1 0.22 0.00 0.05 0.00 0.58 99.15 23:17:01 2 0.05 0.00 0.02 0.00 1.45 98.49 23:17:01 3 0.03 0.00 0.05 0.00 0.41 99.50 Average: all 0.33 0.00 0.24 0.06 1.09 98.28 Average: 0 0.27 0.00 0.26 0.01 1.04 98.43 Average: 1 0.44 0.00 0.21 0.16 1.05 98.13 Average: 2 0.29 0.00 0.25 0.03 1.27 98.16 Average: 3 0.31 0.00 0.25 0.02 1.00 98.42