---> uname -a: Linux cc23bd4dc92b 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/exfoundry_go-mod-registry_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/exfoundry_go-mod-registry_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 775 131 0 930 999 Swap: 1023 2 1021 ---> 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) 09/11/20 _x86_64_ (4 CPU) 22:18:29 LINUX RESTART (4 CPU) 22:19:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:20:01 55.32 15.19 40.13 0.00 4978.39 4742.57 0.00 22:21:01 1.58 0.00 1.58 0.00 0.00 29.95 0.00 22:22:01 0.52 0.00 0.52 0.00 0.00 8.24 0.00 22:23:01 0.15 0.00 0.15 0.00 0.00 1.87 0.00 22:24:01 112.25 51.93 60.32 0.00 2396.27 23790.56 0.00 22:25:01 276.03 121.49 154.54 0.00 7198.27 39541.78 0.00 Average: 74.38 31.49 42.89 0.00 2422.33 11373.89 0.00 22:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:20:01 175548 0 544668 28.95 2620 1158720 1106260 37.75 418644 1126816 12 22:21:01 181628 0 538584 28.62 2620 1158724 1061384 36.22 416040 1124108 16 22:22:01 181280 0 538924 28.64 2620 1158732 1061552 36.23 418060 1123196 8 22:23:01 178916 0 541288 28.77 2620 1158732 1061576 36.23 420280 1123120 8 22:24:01 154116 0 611164 32.48 2620 1113656 1259944 43.00 441940 1092604 96264 22:25:01 236380 0 727028 38.64 1660 916488 1282592 43.77 598964 759860 52 Average: 184645 0 583609 31.02 2460 1110842 1138885 38.87 452321 1058284 16060 22:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:20:01 eth0 554.94 342.16 1041.56 96.85 0.00 0.00 0.00 0.00 22:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 docker0 1.17 1.00 0.26 1.60 0.00 0.00 0.00 0.00 22:21:01 eth0 1.30 0.08 0.12 0.01 0.00 0.00 0.00 0.00 22:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:22:01 eth0 2.71 0.87 0.95 0.59 0.00 0.00 0.00 0.00 22:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:23:01 eth0 1.70 0.57 0.61 0.39 0.00 0.00 0.00 0.00 22:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:24:01 eth0 373.43 340.86 3778.17 26.99 0.00 0.00 0.00 0.00 22:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 eth0 491.06 433.43 3503.46 104.37 0.00 0.00 0.00 0.00 22:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 veth4eeae08 0.87 0.65 0.15 0.13 0.00 0.00 0.00 0.00 22:25:01 docker0 56.53 57.28 4.31 234.96 0.00 0.00 0.00 0.00 Average: eth0 236.69 185.94 1388.77 38.05 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: veth4eeae08 0.14 0.11 0.02 0.02 0.00 0.00 0.00 0.00 Average: docker0 9.64 9.74 0.76 39.55 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) 09/11/20 _x86_64_ (4 CPU) 22:18:29 LINUX RESTART (4 CPU) 22:19:02 CPU %user %nice %system %iowait %steal %idle 22:20:01 all 9.83 0.00 2.79 1.89 0.03 85.45 22:20:01 0 11.18 0.00 2.82 0.09 0.03 85.88 22:20:01 1 7.63 0.00 3.25 3.05 0.03 86.04 22:20:01 2 10.63 0.00 2.45 3.24 0.03 83.64 22:20:01 3 9.87 0.00 2.65 1.20 0.03 86.25 22:21:01 all 0.14 0.00 0.03 0.00 0.00 99.83 22:21:01 0 0.45 0.00 0.03 0.00 0.00 99.52 22:21:01 1 0.03 0.00 0.00 0.00 0.00 99.97 22:21:01 2 0.07 0.00 0.05 0.00 0.00 99.88 22:21:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:22:01 all 0.16 0.00 0.02 0.00 0.00 99.81 22:22:01 0 0.38 0.00 0.02 0.00 0.00 99.60 22:22:01 1 0.02 0.00 0.02 0.00 0.00 99.97 22:22:01 2 0.18 0.00 0.02 0.00 0.00 99.80 22:22:01 3 0.07 0.00 0.05 0.00 0.02 99.87 22:23:01 all 0.15 0.00 0.02 0.00 0.00 99.83 22:23:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:23:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:23:01 2 0.50 0.00 0.02 0.00 0.00 99.48 22:23:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:24:01 all 5.27 0.00 2.77 0.44 0.02 91.50 22:24:01 0 5.17 0.00 2.83 0.12 0.02 91.87 22:24:01 1 5.65 0.00 2.38 0.45 0.02 91.49 22:24:01 2 5.19 0.00 2.92 0.77 0.02 91.10 22:24:01 3 5.07 0.00 2.94 0.42 0.02 91.55 22:25:01 all 11.91 0.00 7.19 3.58 0.05 77.27 22:25:01 0 9.60 0.00 6.14 2.58 0.03 81.65 22:25:01 1 14.67 0.00 7.12 3.00 0.07 75.14 22:25:01 2 11.58 0.00 8.06 5.02 0.05 75.29 22:25:01 3 11.78 0.00 7.44 3.73 0.05 76.99 Average: all 4.54 0.00 2.12 0.98 0.02 92.35 Average: 0 4.42 0.00 1.96 0.46 0.01 93.15 Average: 1 4.63 0.00 2.11 1.07 0.02 92.16 Average: 2 4.65 0.00 2.24 1.49 0.02 91.60 Average: 3 4.43 0.00 2.17 0.88 0.02 92.49