---> uname -a: Linux prd-centos7-docker-4c-2g-6405.vexxhost.local 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: 2933.442 BogoMIPS: 5866.88 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 8.4G 41.5G 17% / 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 8.4G 41.5G 17% /facter-os /dev/vda1 50.0G 8.4G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.4G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.4G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.4G 41.5G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.4G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master /dev/vda1 50.0G 8.4G 41.5G 17% /w/workspace/dry_go-mod-core-contracts_master@tmp /dev/vda1 50.0G 8.4G 41.5G 17% /var/log/sa-host /dev/vda1 50.0G 8.4G 41.5G 17% /var/log/secure /dev/vda1 50.0G 8.4G 41.5G 17% /var/log/auth.log ---> free -m: total used free shared buff/cache available Mem: 1837 772 165 0 899 1001 Swap: 1023 3 1020 ---> 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:9b:84:71 brd ff:ff:ff:ff:ff:ff inet 10.30.123.15/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85974sec preferred_lft 85974sec inet6 fe80::f816:3eff:fe9b:8471/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:3f:3d:93:a2 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:3fff:fe3d:93a2/64 scope link 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) 10/19/20 _x86_64_ (4 CPU) 23:26:43 LINUX RESTART (4 CPU) 23:28:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:29:01 3.88 0.00 3.88 0.00 0.00 129.08 0.00 23:30:01 0.57 0.00 0.57 0.00 0.00 9.24 0.00 23:31:01 0.15 0.00 0.15 0.00 0.00 2.02 0.00 23:32:01 0.20 0.00 0.20 0.00 0.00 1.75 0.00 23:33:01 309.38 149.62 159.77 0.00 8014.51 54940.10 0.00 Average: 62.88 29.95 32.94 0.00 1604.08 11024.48 0.00 23:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:29:01 176328 0 565232 30.04 2620 1137376 1109228 37.86 421600 1123044 20 23:30:01 179448 0 562104 29.87 2620 1137384 1088668 37.15 420304 1121800 12 23:31:01 178652 0 562896 29.92 2620 1137388 1088800 37.16 420992 1121796 12 23:32:01 176800 0 564748 30.01 2620 1137388 1088872 37.16 430504 1113944 20 23:33:01 171640 0 708952 37.68 2100 998864 1303952 44.50 558584 891020 88660 Average: 176574 0 592786 31.51 2516 1109680 1135904 38.77 450397 1074321 17745 23:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:29:01 eth0 4.01 1.85 3.28 0.28 0.00 0.00 0.00 0.00 23:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 eth0 1.08 0.08 0.10 0.04 0.00 0.00 0.00 0.00 23:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:31:01 eth0 2.32 0.80 0.77 0.41 0.00 0.00 0.00 0.00 23:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:32:01 eth0 0.95 0.63 0.60 0.40 0.00 0.00 0.00 0.00 23:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:33:01 eth0 794.26 717.30 7113.16 63.76 0.00 0.00 0.00 0.00 23:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:33:01 docker0 16.72 16.01 1.29 121.93 0.00 0.00 0.00 0.00 Average: eth0 160.64 144.24 1424.62 12.99 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 3.35 3.20 0.26 24.40 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) 10/19/20 _x86_64_ (4 CPU) 23:26:43 LINUX RESTART (4 CPU) 23:28:01 CPU %user %nice %system %iowait %steal %idle 23:29:01 all 0.20 0.00 0.05 0.00 0.00 99.75 23:29:01 0 0.57 0.00 0.05 0.00 0.00 99.38 23:29:01 1 0.08 0.00 0.05 0.00 0.00 99.87 23:29:01 2 0.10 0.00 0.03 0.00 0.00 99.87 23:29:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:30:01 all 0.15 0.00 0.03 0.00 0.00 99.81 23:30:01 0 0.35 0.00 0.03 0.00 0.00 99.62 23:30:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:30:01 2 0.03 0.00 0.02 0.00 0.00 99.95 23:30:01 3 0.18 0.00 0.05 0.00 0.00 99.77 23:31:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:31:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:31:01 1 0.08 0.00 0.07 0.00 0.00 99.85 23:31:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:31:01 3 0.52 0.00 0.03 0.00 0.00 99.45 23:32:01 all 0.15 0.00 0.05 0.00 0.01 99.79 23:32:01 0 0.05 0.00 0.03 0.00 0.00 99.92 23:32:01 1 0.02 0.00 0.03 0.00 0.00 99.95 23:32:01 2 0.05 0.00 0.10 0.00 0.02 99.83 23:32:01 3 0.48 0.00 0.03 0.00 0.02 99.47 23:33:01 all 13.83 0.00 7.57 2.93 0.08 75.59 23:33:01 0 13.60 0.00 7.77 2.53 0.07 76.03 23:33:01 1 13.42 0.00 6.98 2.46 0.12 77.01 23:33:01 2 13.68 0.00 8.26 3.08 0.05 74.93 23:33:01 3 14.63 0.00 7.27 3.65 0.07 74.38 Average: all 2.85 0.00 1.52 0.58 0.02 95.04 Average: 0 2.86 0.00 1.55 0.50 0.01 95.08 Average: 1 2.69 0.00 1.41 0.49 0.02 95.39 Average: 2 2.73 0.00 1.66 0.61 0.01 94.99 Average: 3 3.12 0.00 1.46 0.72 0.02 94.69