---> uname -a: Linux prd-centos7-docker-4c-2g-23381.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-464 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-464@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 699 94 0 1043 1033 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:3e:71:4a brd ff:ff:ff:ff:ff:ff inet 10.30.122.228/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85997sec preferred_lft 85997sec inet6 fe80::f816:3eff:fe3e:714a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:4b:3a:53:ff 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::42:4bff:fe3a:53ff/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) 01/27/21 _x86_64_ (4 CPU) 08:19:27 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:21:01 130.17 60.55 69.63 0.00 7047.48 36655.33 0.00 08:22:01 29.26 5.24 24.02 0.00 1318.65 2595.74 0.00 08:23:01 0.40 0.00 0.40 0.00 0.00 6.57 0.00 08:24:02 0.25 0.00 0.25 0.00 0.00 2.69 0.00 08:25:01 0.19 0.00 0.19 0.00 0.00 1.83 0.00 08:26:01 98.09 60.22 37.87 0.00 4415.43 13356.63 0.00 Average: 43.20 21.07 22.13 0.00 2137.34 8799.13 0.00 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:21:01 117460 0 591144 31.42 2620 1170320 1338364 45.68 391064 1176532 38304 08:22:01 152120 0 603680 32.08 2620 1123124 1181336 40.32 413308 1111520 20 08:23:01 170176 0 585620 31.12 2620 1123128 1078872 36.82 410852 1098068 8 08:24:02 166204 0 589588 31.34 2620 1123132 1079064 36.83 412184 1100792 8 08:25:01 165912 0 589876 31.35 2620 1123136 1079148 36.83 417132 1096320 8 08:26:01 68120 0 707520 37.60 2620 1103284 1515328 51.72 597552 974668 84008 Average: 139999 0 611238 32.49 2620 1127687 1212019 41.36 440349 1092983 20393 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:21:01 eth0 215.78 156.36 1017.34 59.91 0.00 0.00 0.00 0.00 08:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 eth0 33.67 33.27 46.29 33.31 0.00 0.00 0.00 0.00 08:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 docker0 9.08 6.32 1.65 16.93 0.00 0.00 0.00 0.00 08:23:01 eth0 0.53 0.08 0.06 0.01 0.00 0.00 0.00 0.00 08:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:02 eth0 1.21 0.48 0.35 0.21 0.00 0.00 0.00 0.00 08:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 eth0 0.90 0.29 0.32 0.20 0.00 0.00 0.00 0.00 08:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 eth0 202.84 162.97 2169.27 19.27 0.00 0.00 0.00 0.00 08:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 76.07 59.10 540.79 18.88 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 1.52 1.06 0.28 2.83 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) 01/27/21 _x86_64_ (4 CPU) 08:19:27 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:21:01 all 11.79 0.00 7.56 5.46 27.03 48.15 08:21:01 0 12.77 0.00 9.30 5.30 27.53 45.10 08:21:01 1 8.73 0.00 6.44 5.55 27.52 51.75 08:21:01 2 11.38 0.00 6.49 5.36 26.72 50.06 08:21:01 3 14.44 0.00 8.09 5.64 26.34 45.49 08:22:01 all 2.20 0.00 1.81 0.42 6.88 88.69 08:22:01 0 3.02 0.00 1.81 0.33 6.94 87.89 08:22:01 1 2.60 0.00 1.86 0.05 6.71 88.77 08:22:01 2 1.69 0.00 1.93 1.08 6.82 88.47 08:22:01 3 1.49 0.00 1.64 0.21 7.03 89.63 08:23:01 all 0.38 0.00 0.08 0.00 0.55 98.99 08:23:01 0 0.45 0.00 0.10 0.00 1.11 98.34 08:23:01 1 0.02 0.00 0.07 0.00 0.28 99.63 08:23:01 2 1.03 0.00 0.08 0.00 0.48 98.40 08:23:01 3 0.03 0.00 0.08 0.00 0.32 99.57 08:24:02 all 0.09 0.00 0.12 0.00 1.33 98.46 08:24:02 0 0.25 0.00 0.05 0.00 2.11 97.59 08:24:02 1 0.03 0.00 0.15 0.00 1.07 98.74 08:24:02 2 0.03 0.00 0.13 0.00 0.94 98.89 08:24:02 3 0.03 0.00 0.15 0.00 1.19 98.63 08:25:01 all 0.07 0.00 0.05 0.00 0.71 99.17 08:25:01 0 0.10 0.00 0.03 0.00 1.14 98.72 08:25:01 1 0.03 0.00 0.02 0.00 0.89 99.06 08:25:01 2 0.08 0.00 0.02 0.00 0.27 99.63 08:25:01 3 0.05 0.00 0.12 0.00 0.54 99.29 08:26:01 all 3.11 0.00 2.43 1.83 21.08 71.55 08:26:01 0 2.28 0.00 2.40 0.42 21.43 73.48 08:26:01 1 3.58 0.00 2.19 2.50 21.34 70.39 08:26:01 2 2.96 0.00 2.21 2.03 20.43 72.36 08:26:01 3 3.64 0.00 2.94 2.37 21.13 69.93 Average: all 2.99 0.00 2.05 1.31 9.84 83.80 Average: 0 3.16 0.00 2.30 1.01 10.23 83.30 Average: 1 2.59 0.00 1.84 1.41 9.99 84.17 Average: 2 2.91 0.00 1.85 1.44 9.55 84.25 Average: 3 3.32 0.00 2.19 1.39 9.60 83.49