---> uname -a: Linux prd-centos7-docker-4c-2g-24356.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: 2933.436 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% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-439 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dry_go-mod-core-contracts_PR-439@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 705 98 0 1033 1027 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:35:ef:46 brd ff:ff:ff:ff:ff:ff inet 10.30.123.0/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86071sec preferred_lft 86071sec inet6 fe80::f816:3eff:fe35:ef46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:be:a8:d5:f3 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:beff:fea8:d5f3/64 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) 02/01/21 _x86_64_ (4 CPU) 17:18:28 LINUX RESTART (4 CPU) 17:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 63.23 19.42 43.81 0.00 5364.53 3887.39 0.00 17:21:01 1.92 0.00 1.92 0.00 0.00 38.42 0.00 17:22:01 0.30 0.00 0.30 0.00 0.00 3.48 0.00 17:23:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 17:24:01 145.85 85.07 60.78 0.00 6599.77 18592.61 0.00 Average: 42.31 20.90 21.41 0.00 2393.63 4505.78 0.00 17:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 147760 0 611140 32.48 2620 1120024 1108508 37.83 401000 1132924 132 17:21:01 152604 0 606184 32.22 2620 1120136 1092416 37.28 402128 1127632 16 17:22:01 151188 0 607596 32.29 2620 1120140 1079232 36.83 403032 1128248 20 17:23:01 150980 0 607804 32.30 2620 1120140 1079268 36.83 417344 1114344 16 17:24:01 176828 0 667292 35.47 2620 1034804 1181432 40.32 432024 1023944 16 Average: 155872 0 620003 32.95 2620 1103049 1108171 37.82 411106 1105418 40 17:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 eth0 470.85 292.98 1052.94 90.72 0.00 0.00 0.00 0.00 17:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 docker0 6.16 5.34 1.58 17.89 0.00 0.00 0.00 0.00 17:21:01 eth0 4.20 2.06 3.16 0.14 0.00 0.00 0.00 0.00 17:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 eth0 0.95 0.57 0.34 0.22 0.00 0.00 0.00 0.00 17:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:01 eth0 0.67 0.35 0.29 0.20 0.00 0.00 0.00 0.00 17:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 eth0 203.76 170.27 2170.76 17.85 0.00 0.00 0.00 0.00 17:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 136.14 93.28 645.67 21.84 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 1.07 0.32 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) 02/01/21 _x86_64_ (4 CPU) 17:18:28 LINUX RESTART (4 CPU) 17:19:01 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 11.35 0.00 3.75 1.34 0.06 83.50 17:20:01 0 13.78 0.00 4.49 1.26 0.05 80.41 17:20:01 1 10.80 0.00 3.08 0.25 0.08 85.78 17:20:01 2 9.74 0.00 3.76 2.06 0.05 84.39 17:20:01 3 11.06 0.00 3.66 1.79 0.07 83.43 17:21:01 all 0.18 0.00 0.06 0.00 0.00 99.76 17:21:01 0 0.07 0.00 0.02 0.00 0.00 99.92 17:21:01 1 0.48 0.00 0.08 0.00 0.02 99.42 17:21:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:21:01 3 0.10 0.00 0.08 0.00 0.00 99.82 17:22:01 all 0.16 0.00 0.04 0.00 0.00 99.79 17:22:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:22:01 1 0.43 0.00 0.02 0.00 0.00 99.55 17:22:01 2 0.08 0.00 0.03 0.00 0.00 99.88 17:22:01 3 0.10 0.00 0.07 0.00 0.02 99.82 17:23:01 all 0.16 0.00 0.04 0.00 0.00 99.80 17:23:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:23:01 1 0.23 0.00 0.07 0.00 0.00 99.70 17:23:01 2 0.32 0.00 0.02 0.00 0.00 99.67 17:23:01 3 0.07 0.00 0.05 0.00 0.00 99.88 17:24:01 all 5.66 0.00 3.95 2.28 0.05 88.06 17:24:01 0 5.37 0.00 3.80 1.74 0.07 89.03 17:24:01 1 5.22 0.00 4.14 0.96 0.05 89.63 17:24:01 2 5.51 0.00 3.64 3.07 0.05 87.73 17:24:01 3 6.54 0.00 4.21 3.35 0.05 85.84 Average: all 3.48 0.00 1.56 0.72 0.03 94.22 Average: 0 3.83 0.00 1.66 0.60 0.02 93.89 Average: 1 3.42 0.00 1.47 0.24 0.03 94.84 Average: 2 3.12 0.00 1.49 1.02 0.02 94.35 Average: 3 3.55 0.00 1.60 1.02 0.03 93.80