---> uname -a: Linux 14fe73b491ba 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: 2933.442 BogoMIPS: 5866.88 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/xfoundry_go-mod-bootstrap_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 778 111 0 947 992 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) 07/07/20 _x86_64_ (4 CPU) 04:50:54 LINUX RESTART 04:52:01 tps rtps wtps bread/s bwrtn/s 04:53:01 2.08 0.00 2.08 0.00 42.16 04:54:02 0.37 0.00 0.37 0.00 5.95 04:55:01 0.27 0.00 0.27 0.00 3.69 04:56:01 0.23 0.00 0.23 0.00 2.70 04:57:01 0.23 0.00 0.23 0.00 3.50 04:58:01 374.04 193.64 180.40 8555.07 57427.32 Average: 63.09 32.39 30.70 1430.85 9614.46 04:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:53:01 164020 1717536 91.28 2620 1133604 1114932 38.05 452804 1105132 20 04:54:02 168540 1713016 91.04 2620 1133608 1073492 36.64 450612 1103612 8 04:55:01 168828 1712728 91.03 2620 1133616 1073424 36.63 450664 1103612 8 04:56:01 167112 1714444 91.12 2620 1133616 1073556 36.64 460024 1095544 8 04:57:01 168000 1713556 91.07 2620 1133624 1073448 36.63 461956 1093076 8 04:58:01 117340 1764216 93.76 2076 1008532 1280784 43.71 565988 911156 43536 Average: 158973 1722583 91.55 2529 1112767 1114939 38.05 473675 1068689 7265 04:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:53:01 eth0 9.61 4.15 8.68 0.46 0.00 0.00 0.00 04:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:02 eth0 1.32 0.35 0.33 0.20 0.00 0.00 0.00 04:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 eth0 1.05 0.30 0.33 0.20 0.00 0.00 0.00 04:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 eth0 0.47 0.42 0.29 0.21 0.00 0.00 0.00 04:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 eth0 0.18 0.15 0.08 0.07 0.00 0.00 0.00 04:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:01 eth0 305.41 204.93 7013.48 33.20 0.00 0.00 0.00 04:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:01 docker0 18.94 19.82 1.93 44.71 0.00 0.00 0.00 Average: eth0 53.19 35.17 1174.63 5.74 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.17 3.31 0.32 7.48 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) 07/07/20 _x86_64_ (4 CPU) 04:50:54 LINUX RESTART 04:52:01 CPU %user %nice %system %iowait %steal %idle 04:53:01 all 0.30 0.00 0.06 0.00 0.00 99.64 04:53:01 0 0.90 0.00 0.08 0.00 0.00 99.02 04:53:01 1 0.15 0.00 0.05 0.00 0.00 99.80 04:53:01 2 0.08 0.00 0.07 0.00 0.00 99.85 04:53:01 3 0.08 0.00 0.05 0.00 0.00 99.87 04:54:02 all 0.15 0.00 0.03 0.00 0.00 99.82 04:54:02 0 0.03 0.00 0.03 0.00 0.00 99.93 04:54:02 1 0.05 0.00 0.02 0.00 0.00 99.93 04:54:02 2 0.05 0.00 0.02 0.00 0.00 99.93 04:54:02 3 0.43 0.00 0.02 0.00 0.00 99.55 04:55:01 all 0.16 0.00 0.03 0.00 0.00 99.81 04:55:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:55:01 1 0.07 0.00 0.05 0.00 0.00 99.88 04:55:01 2 0.05 0.00 0.02 0.00 0.00 99.93 04:55:01 3 0.51 0.00 0.03 0.00 0.00 99.46 04:56:01 all 0.14 0.00 0.03 0.00 0.00 99.82 04:56:01 0 0.08 0.00 0.02 0.00 0.00 99.90 04:56:01 1 0.08 0.00 0.07 0.00 0.02 99.83 04:56:01 2 0.00 0.00 0.02 0.00 0.00 99.98 04:56:01 3 0.40 0.00 0.03 0.00 0.00 99.57 04:57:01 all 0.08 0.00 0.10 0.00 0.00 99.82 04:57:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:57:01 1 0.03 0.00 0.30 0.00 0.00 99.67 04:57:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:57:01 3 0.20 0.00 0.03 0.00 0.00 99.77 04:58:01 all 14.43 0.00 9.27 3.67 0.05 72.58 04:58:01 0 14.10 0.00 8.91 1.40 0.07 75.52 04:58:01 1 14.03 0.00 9.22 2.69 0.02 74.04 04:58:01 2 14.86 0.00 8.76 7.45 0.08 68.85 04:58:01 3 14.75 0.00 10.14 3.15 0.03 71.93 Average: all 2.51 0.00 1.57 0.60 0.01 95.31 Average: 0 2.49 0.00 1.50 0.23 0.01 95.77 Average: 1 2.38 0.00 1.60 0.44 0.01 95.57 Average: 2 2.48 0.00 1.47 1.23 0.01 94.81 Average: 3 2.69 0.00 1.69 0.52 0.01 95.09