---> uname -a: Linux prd-centos7-docker-4c-2g-16306.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-401 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-401@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 675 105 0 1055 1057 Swap: 1023 0 1023 ---> 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:f9:b0:91 brd ff:ff:ff:ff:ff:ff inet 10.30.123.128/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86060sec preferred_lft 86060sec inet6 fe80::f816:3eff:fef9:b091/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:5c:1e:1b:4a 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::42:5cff:fe1e:1b4a/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) 12/16/20 _x86_64_ (4 CPU) 09:22:06 LINUX RESTART (4 CPU) 09:23:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:24:01 56.46 13.29 43.17 0.00 4755.74 3823.45 0.00 09:25:01 2.44 0.00 2.44 0.00 0.00 58.11 0.00 09:26:01 0.45 0.00 0.45 0.00 0.00 6.73 0.00 09:27:01 0.25 0.00 0.25 0.00 0.00 2.56 0.00 Average: 14.76 3.29 11.47 0.00 1176.68 962.93 0.00 09:23:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:24:01 154100 0 576828 30.66 2620 1147996 1105876 37.74 406960 1118436 128 09:25:01 166632 0 564264 29.99 2620 1148028 1013600 34.59 399768 1116096 28 09:26:01 164956 0 565960 30.08 2620 1148008 1013900 34.60 402952 1114288 8 09:27:01 163728 0 567184 30.14 2620 1148012 1013888 34.60 406532 1111984 12 Average: 162354 0 568559 30.22 2620 1148011 1036816 35.38 404053 1115201 44 09:23:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:24:01 eth0 125.79 107.47 600.23 66.90 0.00 0.00 0.00 0.00 09:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 docker0 4.98 4.28 1.25 14.46 0.00 0.00 0.00 0.00 09:25:01 eth0 0.96 0.08 0.07 0.02 0.00 0.00 0.00 0.00 09:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 eth0 2.23 0.57 0.66 0.39 0.00 0.00 0.00 0.00 09:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 eth0 2.20 0.73 0.66 0.41 0.00 0.00 0.00 0.00 09:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 32.48 26.94 148.86 16.76 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 1.23 1.06 0.31 3.58 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) 12/16/20 _x86_64_ (4 CPU) 09:22:06 LINUX RESTART (4 CPU) 09:23:02 CPU %user %nice %system %iowait %steal %idle 09:24:01 all 6.86 0.00 2.77 0.96 13.93 75.49 09:24:01 0 6.47 0.00 3.15 0.38 15.13 74.87 09:24:01 1 6.45 0.00 2.44 1.47 13.19 76.45 09:24:01 2 8.20 0.00 3.29 0.85 13.69 73.96 09:24:01 3 6.33 0.00 2.21 1.14 13.69 76.64 09:25:01 all 0.14 0.00 0.04 0.00 0.84 98.97 09:25:01 0 0.02 0.00 0.03 0.00 0.83 99.12 09:25:01 1 0.17 0.00 0.03 0.00 1.01 98.79 09:25:01 2 0.38 0.00 0.05 0.00 1.04 98.53 09:25:01 3 0.02 0.00 0.03 0.00 0.50 99.45 09:26:01 all 0.05 0.00 0.19 0.00 1.51 98.25 09:26:01 0 0.03 0.00 0.21 0.00 1.56 98.19 09:26:01 1 0.10 0.00 0.26 0.00 1.80 97.84 09:26:01 2 0.02 0.00 0.25 0.00 1.48 98.25 09:26:01 3 0.05 0.00 0.03 0.00 1.20 98.71 09:27:01 all 0.08 0.00 0.03 0.00 0.58 99.31 09:27:01 0 0.00 0.00 0.03 0.00 0.25 99.72 09:27:01 1 0.17 0.00 0.03 0.00 0.70 99.10 09:27:01 2 0.03 0.00 0.05 0.00 0.81 99.11 09:27:01 3 0.13 0.00 0.02 0.00 0.55 99.30 Average: all 1.79 0.00 0.76 0.24 4.23 92.98 Average: 0 1.64 0.00 0.86 0.09 4.47 92.94 Average: 1 1.74 0.00 0.70 0.37 4.21 92.98 Average: 2 2.15 0.00 0.91 0.21 4.24 92.49 Average: 3 1.64 0.00 0.57 0.29 4.00 93.50