---> uname -a: Linux 5d704f766340 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/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 781 117 0 937 985 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) 07/13/20 _x86_64_ (4 CPU) 16:07:48 LINUX RESTART 16:09:01 tps rtps wtps bread/s bwrtn/s 16:10:01 17.92 2.54 15.38 855.20 1938.87 16:11:01 0.32 0.00 0.32 0.00 4.46 16:12:01 0.27 0.00 0.27 0.00 2.69 16:13:01 0.25 0.00 0.25 0.00 3.63 16:14:02 227.61 148.86 78.75 6350.39 30646.83 16:15:01 217.98 79.15 138.83 4303.74 31126.11 16:16:01 138.65 55.73 82.93 4990.19 22451.72 Average: 85.84 40.81 45.03 2352.79 12267.26 16:09:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 170520 1711036 90.94 2620 1160008 1137168 38.81 406088 1143856 16 16:11:01 176396 1705160 90.62 2620 1160012 1072224 36.59 405540 1140440 20 16:12:01 176580 1704976 90.62 2620 1160020 1072248 36.59 405732 1140444 8 16:13:01 174988 1706568 90.70 2620 1160020 1072372 36.60 409748 1137864 8 16:14:02 136344 1745212 92.75 2620 1104392 1379480 47.08 531012 1009108 10932 16:15:01 114260 1767296 93.93 1528 993684 1457016 49.73 684528 790456 57676 16:16:01 112452 1769104 94.02 1072 935976 1920632 65.55 655940 808824 36 Average: 151649 1729907 91.94 2243 1096302 1301591 44.42 499798 1024427 9814 16:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:10:01 eth0 19.20 15.94 23.32 22.17 0.00 0.00 0.00 16:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 docker0 1.48 1.33 0.35 2.79 0.00 0.00 0.00 16:11:01 eth0 1.95 1.25 2.83 0.08 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 eth0 0.96 0.32 0.32 0.20 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 eth0 0.45 0.42 0.27 0.20 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:02 eth0 125.95 89.24 3814.01 16.65 0.00 0.00 0.00 16:14:02 vethd642007 19.30 20.07 2.27 45.20 0.00 0.00 0.00 16:14:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 16:14:02 docker0 20.78 21.26 2.35 47.97 0.00 0.00 0.00 16:15:01 veth09491ab 17.61 28.40 1.29 169.02 0.00 0.00 0.00 16:15:01 eth0 596.16 405.36 8404.39 175.04 0.00 0.00 0.00 16:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:01 docker0 17.61 28.26 1.04 169.01 0.00 0.00 0.00 16:16:01 vethb707197 0.00 0.03 0.00 0.00 0.00 0.00 0.00 16:16:01 eth0 107.78 74.70 2366.98 25.77 0.00 0.00 0.00 16:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 docker0 1.98 1.43 0.31 0.31 0.00 0.00 0.00 Average: vethb707197 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 99.38 67.77 1522.39 28.34 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.74 7.23 0.53 30.71 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) 07/13/20 _x86_64_ (4 CPU) 16:07:48 LINUX RESTART 16:09:01 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 1.69 0.00 0.83 0.46 3.04 93.98 16:10:01 0 1.21 0.00 0.91 0.10 2.73 95.05 16:10:01 1 2.99 0.00 0.84 0.22 3.37 92.57 16:10:01 2 1.17 0.00 0.82 0.30 3.60 94.12 16:10:01 3 1.37 0.00 0.78 1.24 2.45 94.16 16:11:01 all 0.11 0.00 0.09 0.00 0.96 98.84 16:11:01 0 0.05 0.00 0.07 0.00 0.56 99.32 16:11:01 1 0.07 0.00 0.15 0.00 0.99 98.79 16:11:01 2 0.30 0.00 0.05 0.00 1.17 98.48 16:11:01 3 0.02 0.00 0.08 0.00 1.12 98.78 16:12:01 all 0.13 0.00 0.06 0.03 0.49 99.28 16:12:01 0 0.02 0.00 0.12 0.00 0.30 99.57 16:12:01 1 0.10 0.00 0.07 0.13 0.76 98.94 16:12:01 2 0.40 0.00 0.03 0.00 0.69 98.87 16:12:01 3 0.05 0.00 0.03 0.00 0.23 99.68 16:13:01 all 0.11 0.00 0.06 0.00 0.57 99.26 16:13:01 0 0.03 0.00 0.05 0.00 0.27 99.65 16:13:01 1 0.07 0.00 0.08 0.00 0.80 99.05 16:13:01 2 0.05 0.00 0.07 0.00 0.50 99.39 16:13:01 3 0.28 0.00 0.03 0.00 0.71 98.97 16:14:02 all 4.83 0.00 3.52 2.90 14.45 74.30 16:14:02 0 4.96 0.00 4.12 4.18 15.00 71.74 16:14:02 1 5.81 0.00 3.65 1.86 14.39 74.30 16:14:02 2 4.22 0.00 3.25 2.20 13.89 76.44 16:14:02 3 4.37 0.00 3.03 3.31 14.55 74.74 16:15:01 all 7.90 0.00 5.28 2.94 17.22 66.67 16:15:01 0 6.17 0.00 4.49 4.09 17.28 67.97 16:15:01 1 6.66 0.00 4.95 1.44 16.92 70.02 16:15:01 2 11.13 0.00 5.87 2.71 17.48 62.81 16:15:01 3 7.67 0.00 5.87 3.53 17.18 65.76 16:16:01 all 4.63 0.00 4.22 3.93 16.93 70.29 16:16:01 0 4.01 0.00 3.71 2.01 17.31 72.97 16:16:01 1 4.21 0.00 3.70 4.57 17.04 70.48 16:16:01 2 4.23 0.00 4.36 1.59 16.49 73.32 16:16:01 3 6.09 0.00 5.09 7.61 16.86 64.34 Average: all 2.77 0.00 2.01 1.47 7.67 86.09 Average: 0 2.36 0.00 1.93 1.48 7.68 86.55 Average: 1 2.84 0.00 1.92 1.19 7.78 86.27 Average: 2 3.04 0.00 2.05 0.97 7.67 86.28 Average: 3 2.82 0.00 2.12 2.24 7.57 85.24