---> uname -a: Linux prd-centos7-docker-4c-2g-27261.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-513 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-513@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 690 105 0 1041 1042 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:db:f2:8a brd ff:ff:ff:ff:ff:ff inet 10.30.122.193/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86048sec preferred_lft 86048sec inet6 fe80::f816:3eff:fedb:f28a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:fe:34:c8:1e 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:feff:fe34:c81e/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) 02/23/21 _x86_64_ (4 CPU) 01:48:21 LINUX RESTART (4 CPU) 01:49:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:01 49.38 12.05 37.33 0.00 4336.09 3102.63 0.00 01:51:01 1.93 0.00 1.93 0.00 0.00 39.07 0.00 01:52:01 0.25 0.00 0.25 0.00 0.00 2.90 0.00 01:53:01 0.28 0.00 0.28 0.00 0.00 3.20 0.00 01:54:01 44.71 44.04 0.67 0.00 3794.34 22.94 0.00 Average: 19.38 11.26 8.12 0.00 1631.86 636.48 0.00 01:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 166228 0 579912 30.82 2620 1132784 1122448 38.31 409720 1104176 8 01:51:01 172216 0 573916 30.50 2620 1132792 1078784 36.82 408848 1100332 8 01:52:01 171956 0 574172 30.52 2620 1132796 1078844 36.82 422256 1087400 8 01:53:01 170116 0 576012 30.61 2620 1132796 1078844 36.82 424468 1087272 8 01:54:01 95636 0 580372 30.85 2620 1202916 1080376 36.87 425736 1160420 60 Average: 155230 0 576877 30.66 2620 1146817 1087859 37.13 418206 1107920 18 01:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:01 eth0 181.56 131.18 501.15 48.38 0.00 0.00 0.00 0.00 01:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:01 docker0 9.60 7.12 1.93 19.42 0.00 0.00 0.00 0.00 01:51:01 eth0 3.91 2.06 3.04 0.14 0.00 0.00 0.00 0.00 01:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 eth0 1.17 0.46 0.39 0.21 0.00 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 0.55 0.38 0.31 0.21 0.00 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 eth0 10.86 6.68 10.20 4.17 0.00 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 39.75 28.25 103.40 10.66 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 1.93 1.43 0.39 3.90 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) 02/23/21 _x86_64_ (4 CPU) 01:48:21 LINUX RESTART (4 CPU) 01:49:01 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 3.67 0.00 2.26 1.10 0.01 92.96 01:50:01 0 3.57 0.00 2.46 2.16 0.00 91.80 01:50:01 1 3.50 0.00 2.14 0.23 0.00 94.12 01:50:01 2 3.43 0.00 1.79 1.74 0.02 93.01 01:50:01 3 4.15 0.00 2.65 0.27 0.02 92.91 01:51:01 all 0.19 0.00 0.06 0.00 0.00 99.75 01:51:01 0 0.07 0.00 0.03 0.00 0.00 99.90 01:51:01 1 0.08 0.00 0.07 0.00 0.00 99.85 01:51:01 2 0.53 0.00 0.10 0.00 0.00 99.37 01:51:01 3 0.07 0.00 0.05 0.00 0.00 99.88 01:52:01 all 0.15 0.00 0.06 0.00 0.00 99.79 01:52:01 0 0.03 0.00 0.03 0.00 0.00 99.93 01:52:01 1 0.05 0.00 0.08 0.00 0.00 99.86 01:52:01 2 0.44 0.00 0.05 0.00 0.00 99.51 01:52:01 3 0.07 0.00 0.07 0.00 0.00 99.86 01:53:01 all 0.14 0.00 0.03 0.00 0.00 99.82 01:53:01 0 0.02 0.00 0.03 0.00 0.00 99.95 01:53:01 1 0.05 0.00 0.05 0.00 0.02 99.88 01:53:01 2 0.47 0.00 0.02 0.00 0.00 99.52 01:53:01 3 0.03 0.00 0.03 0.00 0.00 99.93 01:54:01 all 1.31 0.00 0.71 1.09 0.01 96.89 01:54:01 0 0.92 0.00 0.52 0.23 0.00 98.33 01:54:01 1 0.62 0.00 0.52 0.63 0.00 98.23 01:54:01 2 2.39 0.00 0.92 2.17 0.02 94.50 01:54:01 3 1.30 0.00 0.87 1.34 0.02 96.47 Average: all 1.09 0.00 0.62 0.44 0.00 97.84 Average: 0 0.92 0.00 0.62 0.48 0.00 97.98 Average: 1 0.86 0.00 0.57 0.17 0.00 98.39 Average: 2 1.45 0.00 0.58 0.78 0.01 97.18 Average: 3 1.13 0.00 0.73 0.32 0.01 97.81