---> uname -a: Linux prd-centos7-docker-4c-2g-15574.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: 2933.442 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 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-394 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-394@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 703 99 0 1034 1029 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:a7:7f:af brd ff:ff:ff:ff:ff:ff inet 10.30.123.75/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fea7:7faf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:83:5e:c1:ac 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::42:83ff:fe5e:c1ac/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) 12/11/20 _x86_64_ (4 CPU) 09:25:07 LINUX RESTART (4 CPU) 09:26:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:27:01 31.12 10.61 20.51 0.00 4277.46 2993.69 0.00 09:28:01 0.67 0.00 0.67 0.00 0.00 13.06 0.00 09:29:01 0.30 0.00 0.30 0.00 0.00 3.90 0.00 09:30:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 Average: 8.08 2.65 5.43 0.00 1069.63 753.56 0.00 09:26:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:27:01 157536 0 590776 31.40 2620 1130612 1106040 37.75 399656 1124024 24 09:28:01 162344 0 585960 31.14 2620 1130620 1073740 36.64 401020 1118492 8 09:29:01 161660 0 586640 31.18 2620 1130624 1073920 36.65 404984 1115664 8 09:30:01 160508 0 587792 31.24 2620 1130624 1073836 36.65 409176 1112824 8 Average: 160512 0 587792 31.24 2620 1130620 1081884 36.92 403709 1117751 12 09:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:27:01 eth0 73.13 59.71 347.31 25.97 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 6.18 5.09 1.30 13.87 0.00 0.00 0.00 0.00 09:28:01 eth0 0.72 0.08 0.06 0.01 0.00 0.00 0.00 0.00 09:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 eth0 3.25 1.10 3.24 0.25 0.00 0.00 0.00 0.00 09:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 eth0 0.48 0.28 0.27 0.20 0.00 0.00 0.00 0.00 09:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 19.40 15.30 87.74 6.61 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 1.54 1.27 0.32 3.47 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) 12/11/20 _x86_64_ (4 CPU) 09:25:07 LINUX RESTART (4 CPU) 09:26:01 CPU %user %nice %system %iowait %steal %idle 09:27:01 all 2.32 0.00 1.67 0.59 0.01 95.41 09:27:01 0 1.91 0.00 1.66 0.57 0.00 95.86 09:27:01 1 2.21 0.00 2.01 1.24 0.02 94.52 09:27:01 2 2.66 0.00 1.35 0.05 0.02 95.92 09:27:01 3 2.50 0.00 1.66 0.49 0.02 95.34 09:28:01 all 0.15 0.00 0.05 0.00 0.00 99.80 09:28:01 0 0.02 0.00 0.05 0.00 0.00 99.93 09:28:01 1 0.07 0.00 0.05 0.00 0.00 99.88 09:28:01 2 0.47 0.00 0.05 0.00 0.00 99.48 09:28:01 3 0.05 0.00 0.03 0.00 0.00 99.92 09:29:01 all 0.22 0.00 0.05 0.00 0.00 99.73 09:29:01 0 0.08 0.00 0.02 0.00 0.00 99.90 09:29:01 1 0.17 0.00 0.07 0.00 0.00 99.77 09:29:01 2 0.50 0.00 0.05 0.00 0.00 99.45 09:29:01 3 0.13 0.00 0.05 0.00 0.00 99.82 09:30:01 all 0.15 0.00 0.03 0.00 0.00 99.82 09:30:01 0 0.02 0.00 0.02 0.00 0.00 99.97 09:30:01 1 0.03 0.00 0.03 0.00 0.00 99.93 09:30:01 2 0.53 0.00 0.02 0.00 0.00 99.45 09:30:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.71 0.00 0.45 0.15 0.00 98.70 Average: 0 0.50 0.00 0.43 0.14 0.00 98.92 Average: 1 0.62 0.00 0.54 0.31 0.00 98.53 Average: 2 1.04 0.00 0.37 0.01 0.00 98.58 Average: 3 0.68 0.00 0.44 0.12 0.00 98.76