---> uname -a: Linux prd-centos7-docker-4c-2g-11623.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: 2933.438 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% /facter-os /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% /var/log/sa-host /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/secure /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/auth.log /dev/vda1 50.0G 7.2G 42.8G 14% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-365 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-365@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 663 122 0 1052 1072 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 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:6d:73:88 brd ff:ff:ff:ff:ff:ff inet 10.30.122.249/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86041sec preferred_lft 86041sec inet6 fe80::f816:3eff:fe6d:7388/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:c3:7b:ac:43 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:c3ff:fe7b:ac43/64 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) 11/09/20 _x86_64_ (4 CPU) 15:53:18 LINUX RESTART (4 CPU) 15:54:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:55:01 74.95 23.77 51.18 0.00 5758.59 5153.89 0.00 15:56:01 2.50 0.00 2.50 0.00 0.00 56.38 0.00 15:57:01 0.50 0.00 0.50 0.00 0.00 7.04 0.00 15:58:01 0.25 0.00 0.25 0.00 0.00 2.70 0.00 15:59:01 27.24 26.98 0.27 0.00 2356.07 8.62 0.00 Average: 20.92 10.11 10.81 0.00 1609.86 1032.62 0.00 15:54:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:55:01 171676 0 570668 30.33 2620 1136592 1155196 39.42 396228 1151804 128 15:56:01 181996 0 560340 29.78 2620 1136600 1080524 36.88 392616 1147264 16 15:57:01 180888 0 561440 29.84 2620 1136608 1078660 36.81 393476 1147236 16 15:58:01 179508 0 562820 29.91 2620 1136608 1078732 36.82 395836 1146628 16 15:59:01 88332 0 582912 30.98 2620 1207692 1105776 37.74 417552 1209076 76 Average: 160480 0 567636 30.17 2620 1150820 1099778 37.53 399142 1160402 50 15:54:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:55:01 eth0 280.16 197.90 1054.62 96.16 0.00 0.00 0.00 0.00 15:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:55:01 docker0 6.00 3.92 1.22 13.14 0.00 0.00 0.00 0.00 15:56:01 eth0 0.57 0.02 0.04 0.00 0.00 0.00 0.00 0.00 15:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:57:01 eth0 1.08 0.68 0.56 0.20 0.00 0.00 0.00 0.00 15:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:58:01 eth0 0.78 0.30 0.31 0.23 0.00 0.00 0.00 0.00 15:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:59:01 eth0 9.90 6.49 9.80 3.79 0.00 0.00 0.00 0.00 15:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 57.79 40.58 210.38 19.83 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 1.19 0.77 0.24 2.60 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) 11/09/20 _x86_64_ (4 CPU) 15:53:18 LINUX RESTART (4 CPU) 15:54:02 CPU %user %nice %system %iowait %steal %idle 15:55:01 all 12.91 0.00 5.04 2.40 11.30 68.35 15:55:01 0 14.36 0.00 5.28 1.10 11.49 67.77 15:55:01 1 10.45 0.00 5.25 2.64 11.15 70.50 15:55:01 2 13.96 0.00 4.27 2.95 11.49 67.33 15:55:01 3 12.86 0.00 5.35 2.92 11.07 67.80 15:56:01 all 0.10 0.00 0.06 0.00 0.50 99.34 15:56:01 0 0.02 0.00 0.07 0.00 0.56 99.35 15:56:01 1 0.03 0.00 0.05 0.00 0.47 99.45 15:56:01 2 0.03 0.00 0.08 0.00 0.47 99.42 15:56:01 3 0.30 0.00 0.03 0.00 0.52 99.15 15:57:01 all 0.10 0.00 0.02 0.00 0.29 99.58 15:57:01 0 0.05 0.00 0.02 0.00 0.27 99.67 15:57:01 1 0.07 0.00 0.05 0.00 0.52 99.37 15:57:01 2 0.02 0.00 0.02 0.00 0.17 99.80 15:57:01 3 0.27 0.00 0.02 0.00 0.22 99.50 15:58:01 all 0.08 0.00 0.01 0.00 0.32 99.59 15:58:01 0 0.02 0.00 0.02 0.00 0.25 99.72 15:58:01 1 0.00 0.00 0.00 0.00 0.45 99.55 15:58:01 2 0.02 0.00 0.02 0.00 0.35 99.62 15:58:01 3 0.28 0.00 0.00 0.00 0.23 99.48 15:59:01 all 0.69 0.00 0.47 0.53 0.79 97.52 15:59:01 0 0.85 0.00 0.55 0.10 0.67 97.83 15:59:01 1 0.57 0.00 0.42 1.48 0.75 96.78 15:59:01 2 0.35 0.00 0.27 0.08 0.98 98.33 15:59:01 3 1.00 0.00 0.67 0.45 0.75 97.13 Average: all 2.70 0.00 1.09 0.57 2.58 93.06 Average: 0 2.98 0.00 1.16 0.23 2.58 93.05 Average: 1 2.16 0.00 1.12 0.81 2.60 93.31 Average: 2 2.79 0.00 0.90 0.59 2.62 93.09 Average: 3 2.87 0.00 1.18 0.66 2.50 92.79