---> uname -a: Linux prd-centos7-docker-4c-2g-13064.vexxhost.local 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 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 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /facter-os /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-367 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-367@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/secure /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/auth.log ---> free -m: total used free shared buff/cache available Mem: 1837 668 93 0 1075 1067 Swap: 1023 1 1022 ---> 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:cb:2b:3d brd ff:ff:ff:ff:ff:ff inet 10.30.123.239/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85990sec preferred_lft 85990sec inet6 fe80::f816:3eff:fecb:2b3d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:49:75:2e:08 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::42:49ff:fe75:2e08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 11/21/20 _x86_64_ (4 CPU) 06:18:22 LINUX RESTART (4 CPU) 06:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:20:01 130.10 45.07 85.03 0.00 7640.23 40547.91 0.00 06:21:01 11.18 2.54 8.63 0.00 135.57 217.41 0.00 06:22:02 0.65 0.00 0.65 0.00 0.00 9.79 0.00 06:23:01 0.29 0.00 0.29 0.00 0.00 3.30 0.00 06:24:01 0.22 0.00 0.22 0.00 0.00 2.38 0.00 06:25:01 58.99 43.77 15.22 0.00 4486.64 3745.93 0.00 Average: 33.45 15.21 18.24 0.00 2037.37 7364.47 0.00 06:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:20:01 155036 0 564616 30.01 2620 1159284 1395096 47.61 405256 1159052 44 06:21:01 166772 0 547380 29.09 2620 1164784 1120004 38.22 406440 1146668 8 06:22:02 177140 0 537004 28.54 2620 1164792 1057652 36.10 400168 1143844 8 06:23:01 173900 0 540240 28.71 2620 1164796 1057868 36.10 407764 1139468 8 06:24:01 174316 0 539820 28.69 2620 1164800 1057880 36.10 411768 1135544 8 06:25:01 74396 0 638940 33.96 2620 1165600 1515852 51.73 485228 1144276 47480 Average: 153593 0 561333 29.83 2620 1164009 1200725 40.98 419437 1144809 7926 06:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:20:01 veth63572d9 0.00 0.19 0.00 0.02 0.00 0.00 0.00 0.00 06:20:01 eth0 275.84 188.22 1046.90 66.77 0.00 0.00 0.00 0.00 06:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 06:21:01 eth0 27.31 25.66 34.64 31.97 0.00 0.00 0.00 0.00 06:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:21:01 docker0 6.22 4.11 1.23 13.09 0.00 0.00 0.00 0.00 06:22:02 eth0 0.73 0.08 0.06 0.01 0.00 0.00 0.00 0.00 06:22:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:22:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 eth0 1.07 0.37 0.33 0.14 0.00 0.00 0.00 0.00 06:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:24:01 eth0 0.55 0.37 0.28 0.26 0.00 0.00 0.00 0.00 06:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:25:01 eth0 198.97 156.38 2167.90 18.21 0.00 0.00 0.00 0.00 06:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 83.91 61.76 542.56 19.51 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 1.04 0.70 0.21 2.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 11/21/20 _x86_64_ (4 CPU) 06:18:22 LINUX RESTART (4 CPU) 06:19:02 CPU %user %nice %system %iowait %steal %idle 06:20:01 all 15.53 0.00 9.11 6.64 14.90 53.83 06:20:01 0 14.91 0.00 9.87 4.22 14.61 56.38 06:20:01 1 18.19 0.00 10.30 7.43 14.65 49.43 06:20:01 2 17.04 0.00 8.24 8.60 14.64 51.48 06:20:01 3 12.07 0.00 8.04 6.37 15.67 57.85 06:21:01 all 1.93 0.00 0.91 0.16 2.53 94.47 06:21:01 0 2.61 0.00 0.95 0.05 2.40 93.99 06:21:01 1 1.24 0.00 0.76 0.26 2.76 94.98 06:21:01 2 1.86 0.00 1.08 0.02 2.58 94.46 06:21:01 3 2.00 0.00 0.87 0.30 2.38 94.46 06:22:02 all 0.10 0.00 0.04 0.00 0.27 99.59 06:22:02 0 0.02 0.00 0.05 0.00 0.27 99.67 06:22:02 1 0.05 0.00 0.03 0.00 0.38 99.53 06:22:02 2 0.35 0.00 0.05 0.00 0.25 99.35 06:22:02 3 0.00 0.00 0.02 0.00 0.17 99.82 06:23:01 all 0.10 0.00 0.04 0.00 0.14 99.72 06:23:01 0 0.05 0.00 0.03 0.00 0.25 99.66 06:23:01 1 0.05 0.00 0.05 0.00 0.12 99.78 06:23:01 2 0.29 0.00 0.05 0.00 0.12 99.54 06:23:01 3 0.02 0.00 0.02 0.00 0.05 99.92 06:24:01 all 0.10 0.00 0.02 0.00 0.09 99.78 06:24:01 0 0.00 0.00 0.00 0.00 0.15 99.85 06:24:01 1 0.05 0.00 0.05 0.00 0.13 99.77 06:24:01 2 0.33 0.00 0.03 0.00 0.07 99.57 06:24:01 3 0.03 0.00 0.02 0.00 0.02 99.93 06:25:01 all 2.84 0.00 1.87 2.78 3.14 89.38 06:25:01 0 2.38 0.00 1.93 0.08 3.06 92.55 06:25:01 1 3.06 0.00 2.24 2.11 3.08 89.51 06:25:01 2 3.50 0.00 1.92 5.66 3.30 85.61 06:25:01 3 2.39 0.00 1.37 3.25 3.12 89.87 Average: all 3.41 0.00 1.99 1.58 3.49 89.53 Average: 0 3.34 0.00 2.14 0.73 3.46 90.33 Average: 1 3.73 0.00 2.21 1.61 3.49 88.96 Average: 2 3.83 0.00 1.86 2.34 3.44 88.52 Average: 3 2.75 0.00 1.72 1.65 3.57 90.30