---> uname -a: Linux 42bcc10b608d 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% /w/workspace/xfoundry_go-mod-bootstrap_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 728 128 0 980 1042 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) 06/17/20 _x86_64_ (4 CPU) 17:52:48 LINUX RESTART 17:54:01 tps rtps wtps bread/s bwrtn/s 17:55:01 27.42 8.27 19.15 4153.08 2068.62 17:56:01 1.50 0.00 1.50 0.00 27.82 17:57:01 0.23 0.00 0.23 0.00 2.98 17:58:01 0.27 0.00 0.27 0.00 3.48 17:59:01 0.42 0.00 0.42 0.00 6.56 18:00:02 268.39 148.07 120.32 6660.47 44289.24 18:01:01 168.58 63.94 104.64 3298.46 19320.01 Average: 66.59 31.47 35.13 2016.26 9387.40 17:54:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:55:01 177192 1704364 90.58 2620 1175772 1119864 38.22 381048 1162440 16 17:56:01 185860 1695696 90.12 2620 1175776 1053196 35.94 379504 1156700 8 17:57:01 185300 1696256 90.15 2620 1175784 1053480 35.95 380720 1156700 8 17:58:01 185204 1696352 90.16 2620 1175784 1053264 35.95 383308 1154140 12 17:59:01 182396 1699160 90.31 2620 1175792 1053360 35.95 386108 1154140 20 18:00:02 64068 1817488 96.59 2620 1143016 1560288 53.25 609128 995668 103648 18:01:01 196112 1685444 89.58 2372 965784 1468276 50.11 604800 789800 48 Average: 168019 1713537 91.07 2585 1141101 1194533 40.77 446374 1081370 14823 17:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:55:01 eth0 46.72 35.82 338.75 27.47 0.00 0.00 0.00 17:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:55:01 docker0 1.28 1.26 0.32 2.68 0.00 0.00 0.00 17:56:01 eth0 0.82 0.08 0.07 0.04 0.00 0.00 0.00 17:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 eth0 1.32 0.68 0.61 0.31 0.00 0.00 0.00 17:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 eth0 0.13 0.10 0.01 0.10 0.00 0.00 0.00 17:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:59:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 17:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:02 eth0 275.10 172.73 6986.72 53.92 0.00 0.00 0.00 18:00:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:02 docker0 21.78 19.72 2.19 46.56 0.00 0.00 0.00 18:01:01 veth27042b0 2.06 1.60 0.34 0.32 0.00 0.00 0.00 18:01:01 eth0 607.72 420.09 8411.30 209.68 0.00 0.00 0.00 18:01:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 18:01:01 docker0 43.41 45.99 3.95 209.57 0.00 0.00 0.00 Average: veth27042b0 0.29 0.23 0.05 0.04 0.00 0.00 0.00 Average: eth0 85.73 59.26 1186.62 29.58 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.12 6.49 0.56 29.57 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) 06/17/20 _x86_64_ (4 CPU) 17:52:48 LINUX RESTART 17:54:01 CPU %user %nice %system %iowait %steal %idle 17:55:01 all 2.22 0.00 1.47 0.88 3.53 91.90 17:55:01 0 1.88 0.00 1.54 1.15 3.69 91.75 17:55:01 1 2.74 0.00 1.67 0.65 3.49 91.45 17:55:01 2 2.04 0.00 1.14 1.28 3.63 91.91 17:55:01 3 2.24 0.00 1.57 0.45 3.34 92.41 17:56:01 all 0.14 0.00 0.04 0.00 0.17 99.65 17:56:01 0 0.02 0.00 0.03 0.00 0.08 99.87 17:56:01 1 0.33 0.00 0.05 0.00 0.23 99.38 17:56:01 2 0.18 0.00 0.03 0.00 0.27 99.52 17:56:01 3 0.00 0.00 0.02 0.00 0.07 99.92 17:57:01 all 0.12 0.00 0.03 0.00 0.22 99.62 17:57:01 0 0.00 0.00 0.03 0.00 0.08 99.88 17:57:01 1 0.33 0.00 0.05 0.00 0.32 99.30 17:57:01 2 0.05 0.00 0.03 0.00 0.22 99.70 17:57:01 3 0.12 0.00 0.02 0.00 0.30 99.57 17:58:01 all 0.11 0.00 0.04 0.00 0.15 99.69 17:58:01 0 0.02 0.00 0.02 0.00 0.15 99.82 17:58:01 1 0.05 0.00 0.07 0.00 0.17 99.72 17:58:01 2 0.03 0.00 0.03 0.00 0.13 99.80 17:58:01 3 0.35 0.00 0.03 0.00 0.17 99.45 17:59:01 all 0.10 0.00 0.03 0.00 0.22 99.64 17:59:01 0 0.00 0.00 0.00 0.00 0.05 99.95 17:59:01 1 0.07 0.00 0.07 0.00 0.38 99.48 17:59:01 2 0.05 0.00 0.05 0.00 0.27 99.63 17:59:01 3 0.32 0.00 0.03 0.00 0.20 99.45 18:00:02 all 8.61 0.00 5.79 2.01 16.31 67.28 18:00:02 0 8.90 0.00 5.54 1.62 16.63 67.31 18:00:02 1 8.49 0.00 6.99 1.94 16.75 65.82 18:00:02 2 6.98 0.00 4.45 1.86 15.75 70.95 18:00:02 3 10.11 0.00 6.21 2.62 16.11 64.95 18:01:01 all 5.54 0.00 5.12 1.90 16.11 71.32 18:01:01 0 4.11 0.00 4.52 1.53 16.94 72.90 18:01:01 1 4.38 0.00 4.88 1.14 15.87 73.73 18:01:01 2 7.50 0.00 5.03 1.96 15.36 70.16 18:01:01 3 6.25 0.00 6.08 2.98 16.28 68.40 Average: all 2.41 0.00 1.79 0.69 5.26 89.85 Average: 0 2.14 0.00 1.68 0.62 5.42 90.14 Average: 1 2.34 0.00 1.97 0.53 5.33 89.83 Average: 2 2.42 0.00 1.55 0.73 5.12 90.18 Average: 3 2.74 0.00 1.98 0.86 5.17 89.26