---> uname -a: Linux 8a691c57ccc5 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: 2933.438 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 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/exfoundry_go-mod-registry_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/exfoundry_go-mod-registry_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 776 108 0 952 993 Swap: 1023 3 1020 ---> 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 16: eth0@if17: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 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) 06/16/20 _x86_64_ (4 CPU) 23:50:40 LINUX RESTART 23:51:01 tps rtps wtps bread/s bwrtn/s 23:52:01 184.92 98.95 85.96 11707.03 40135.71 23:53:01 3.29 0.02 3.28 0.13 105.45 23:54:01 0.55 0.07 0.48 4.79 8.74 23:55:02 0.25 0.00 0.25 0.00 3.50 23:56:01 0.25 0.00 0.25 0.00 3.27 23:57:01 0.32 0.00 0.32 0.00 4.48 23:58:01 283.65 150.17 133.48 6599.83 49591.44 23:59:01 196.46 107.07 89.39 7553.71 13582.35 Average: 83.94 44.66 39.28 3242.10 12961.55 23:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:52:01 160312 1721244 91.48 2620 1179548 1140924 38.94 411824 1148128 132 23:53:01 167192 1714364 91.11 2620 1179584 1101036 37.58 406916 1146984 20 23:54:01 168544 1713012 91.04 2620 1179748 1078736 36.82 406628 1146496 8 23:55:02 167140 1714416 91.12 2620 1179752 1079024 36.83 408340 1146496 8 23:56:01 165328 1716228 91.21 2620 1179756 1079148 36.83 413392 1142940 8 23:57:01 165656 1715900 91.20 2620 1179764 1079040 36.83 412720 1142936 8 23:58:01 79664 1801892 95.77 2596 1093544 1505460 51.38 605728 977692 8908 23:59:01 72856 1808700 96.13 2080 1023288 1573224 53.69 663824 863508 80676 Average: 143337 1738220 92.38 2550 1149373 1204574 41.11 466172 1089398 11221 23:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:52:01 eth0 232.10 169.17 1022.96 84.66 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 1.16 1.08 0.25 1.54 0.00 0.00 0.00 23:53:01 eth0 1.00 0.45 0.55 0.21 0.00 0.00 0.00 23:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 eth0 1.71 0.08 0.16 0.01 0.00 0.00 0.00 23:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:55:02 eth0 3.38 0.83 1.00 0.59 0.00 0.00 0.00 23:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:56:01 eth0 2.01 0.71 0.87 0.57 0.00 0.00 0.00 23:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:57:01 eth0 0.68 0.38 0.40 0.23 0.00 0.00 0.00 23:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:58:01 eth0 280.34 158.34 6980.94 29.10 0.00 0.00 0.00 23:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:58:01 docker0 12.41 12.62 1.33 19.40 0.00 0.00 0.00 23:59:01 eth0 149.43 99.22 1502.85 78.84 0.00 0.00 0.00 23:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:59:01 docker0 17.85 30.20 1.20 157.14 0.00 0.00 0.00 Average: eth0 84.05 53.79 1191.73 24.34 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.94 5.51 0.35 22.34 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) 06/16/20 _x86_64_ (4 CPU) 23:50:40 LINUX RESTART 23:51:01 CPU %user %nice %system %iowait %steal %idle 23:52:01 all 16.84 0.00 9.27 8.21 14.06 51.61 23:52:01 0 15.25 0.00 8.83 10.95 15.50 49.46 23:52:01 1 16.78 0.00 11.73 7.99 13.99 49.52 23:52:01 2 16.62 0.00 7.94 6.04 13.95 55.45 23:52:01 3 18.79 0.00 8.62 7.84 12.79 51.96 23:53:01 all 0.12 0.00 0.08 0.00 0.27 99.53 23:53:01 0 0.03 0.00 0.05 0.00 0.15 99.77 23:53:01 1 0.08 0.00 0.05 0.02 0.40 99.45 23:53:01 2 0.07 0.00 0.12 0.00 0.30 99.52 23:53:01 3 0.32 0.00 0.10 0.00 0.22 99.37 23:54:01 all 0.13 0.00 0.05 0.00 0.22 99.60 23:54:01 0 0.03 0.00 0.03 0.00 0.10 99.83 23:54:01 1 0.05 0.00 0.07 0.00 0.28 99.60 23:54:01 2 0.08 0.00 0.07 0.00 0.35 99.50 23:54:01 3 0.33 0.00 0.02 0.00 0.15 99.50 23:55:02 all 0.09 0.00 0.03 0.00 0.31 99.57 23:55:02 0 0.02 0.00 0.02 0.00 0.42 99.55 23:55:02 1 0.05 0.00 0.02 0.00 0.32 99.62 23:55:02 2 0.03 0.00 0.02 0.00 0.37 99.58 23:55:02 3 0.28 0.00 0.05 0.00 0.12 99.55 23:56:01 all 0.11 0.00 0.03 0.00 0.54 99.33 23:56:01 0 0.02 0.00 0.02 0.00 0.32 99.65 23:56:01 1 0.10 0.00 0.03 0.00 0.30 99.56 23:56:01 2 0.07 0.00 0.03 0.00 0.88 99.02 23:56:01 3 0.24 0.00 0.03 0.00 0.66 99.07 23:57:01 all 0.11 0.00 0.05 0.00 0.26 99.59 23:57:01 0 0.02 0.00 0.03 0.00 0.18 99.77 23:57:01 1 0.02 0.00 0.07 0.00 0.10 99.82 23:57:01 2 0.05 0.00 0.05 0.00 0.43 99.47 23:57:01 3 0.35 0.00 0.03 0.00 0.32 99.30 23:58:01 all 8.05 0.00 5.69 2.29 19.46 64.51 23:58:01 0 6.80 0.00 4.45 1.87 19.86 67.03 23:58:01 1 8.62 0.00 6.44 3.87 19.82 61.25 23:58:01 2 8.73 0.00 5.82 2.11 19.83 63.52 23:58:01 3 8.07 0.00 6.12 1.32 18.34 66.14 23:59:01 all 6.53 0.00 5.35 3.46 11.23 73.43 23:59:01 0 4.07 0.00 4.97 1.68 11.73 77.55 23:59:01 1 7.48 0.00 6.04 5.89 11.51 69.08 23:59:01 2 6.82 0.00 4.90 2.53 11.32 74.43 23:59:01 3 7.78 0.00 5.53 3.76 10.36 72.57 Average: all 3.97 0.00 2.56 1.73 5.78 85.97 Average: 0 3.29 0.00 2.31 1.81 6.09 86.50 Average: 1 4.09 0.00 3.01 2.20 5.78 84.92 Average: 2 4.05 0.00 2.37 1.33 5.93 86.33 Average: 3 4.46 0.00 2.53 1.59 5.31 86.10