---> uname -a: Linux prd-centos7-docker-4c-2g-29090.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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 Srbds: Not affected 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-536 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-536@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 696 86 0 1055 1037 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:93:32:a6 brd ff:ff:ff:ff:ff:ff inet 10.30.122.191/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86024sec preferred_lft 86024sec inet6 fe80::f816:3eff:fe93:32a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:1e:71:b6:15 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::42:1eff:fe71:b615/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 03/09/21 _x86_64_ (4 CPU) 03:19:10 LINUX RESTART (4 CPU) 03:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:21:01 34.29 10.47 23.82 0.00 4208.79 3237.78 0.00 03:22:01 0.83 0.00 0.83 0.00 0.00 18.73 0.00 03:23:01 0.30 0.00 0.30 0.00 0.00 2.86 0.00 03:24:01 0.18 0.00 0.18 0.00 0.00 2.15 0.00 03:25:01 0.23 0.00 0.23 0.00 0.00 3.51 0.00 Average: 7.17 2.09 5.08 0.00 842.12 653.29 0.00 03:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:21:01 155320 0 569116 30.25 2620 1154488 1091536 37.25 387640 1136624 20 03:22:01 161820 0 562608 29.90 2620 1154496 1061352 36.22 384592 1134264 8 03:23:01 160308 0 564116 29.98 2620 1154500 1061292 36.22 386512 1133916 8 03:24:01 157512 0 566912 30.13 2620 1154500 1061472 36.23 400912 1122588 8 03:25:01 155780 0 568636 30.22 2620 1154508 1061400 36.22 404680 1120328 8 Average: 158148 0 566278 30.10 2620 1154498 1067410 36.43 392867 1129544 10 03:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:21:01 eth0 71.29 60.04 352.69 24.78 0.00 0.00 0.00 0.00 03:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 docker0 9.45 6.19 1.91 20.03 0.00 0.00 0.00 0.00 03:22:01 eth0 0.85 0.67 0.65 0.04 0.00 0.00 0.00 0.00 03:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 eth0 0.72 0.07 0.06 0.01 0.00 0.00 0.00 0.00 03:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 eth0 1.00 0.32 0.32 0.17 0.00 0.00 0.00 0.00 03:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 eth0 0.65 0.47 0.35 0.30 0.00 0.00 0.00 0.00 03:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 14.91 12.32 70.84 5.06 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 1.89 1.24 0.38 4.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 03/09/21 _x86_64_ (4 CPU) 03:19:10 LINUX RESTART (4 CPU) 03:20:01 CPU %user %nice %system %iowait %steal %idle 03:21:01 all 2.27 0.00 1.78 0.79 0.02 95.13 03:21:01 0 2.23 0.00 2.40 1.64 0.02 93.72 03:21:01 1 2.06 0.00 1.84 0.22 0.03 95.85 03:21:01 2 2.63 0.00 1.51 0.75 0.02 95.09 03:21:01 3 2.18 0.00 1.39 0.54 0.02 95.88 03:22:01 all 0.17 0.00 0.06 0.00 0.00 99.78 03:22:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:22:01 1 0.07 0.00 0.10 0.00 0.00 99.83 03:22:01 2 0.53 0.00 0.05 0.00 0.00 99.42 03:22:01 3 0.03 0.00 0.05 0.00 0.00 99.92 03:23:01 all 0.16 0.00 0.04 0.00 0.00 99.80 03:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:23:01 1 0.07 0.00 0.07 0.00 0.00 99.87 03:23:01 2 0.48 0.00 0.05 0.00 0.00 99.47 03:23:01 3 0.05 0.00 0.03 0.00 0.02 99.90 03:24:01 all 0.17 0.00 0.05 0.00 0.00 99.78 03:24:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:24:01 1 0.10 0.00 0.07 0.00 0.00 99.83 03:24:01 2 0.53 0.00 0.05 0.00 0.02 99.40 03:24:01 3 0.02 0.00 0.03 0.00 0.00 99.95 03:25:01 all 0.15 0.00 0.04 0.00 0.00 99.81 03:25:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:25:01 1 0.08 0.00 0.03 0.00 0.02 99.87 03:25:01 2 0.43 0.00 0.07 0.00 0.00 99.50 03:25:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.58 0.00 0.39 0.16 0.01 98.86 Average: 0 0.47 0.00 0.50 0.33 0.00 98.70 Average: 1 0.47 0.00 0.42 0.04 0.01 99.05 Average: 2 0.92 0.00 0.34 0.15 0.01 98.58 Average: 3 0.46 0.00 0.31 0.11 0.01 99.12