---> uname -a: Linux 4bdb5e1f2278 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: 2933.396 BogoMIPS: 5866.79 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/foundry_device-virtual-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/foundry_device-virtual-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 776 118 0 942 992 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 24: eth0@if25: 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) 07/24/20 _x86_64_ (4 CPU) 07:13:48 LINUX RESTART 07:15:01 tps rtps wtps bread/s bwrtn/s 07:16:01 1.98 0.00 1.98 0.00 44.65 07:17:01 0.30 0.00 0.30 0.00 4.60 07:18:01 0.27 0.00 0.27 0.00 3.63 07:19:01 0.23 0.00 0.23 0.00 2.83 07:20:01 252.90 148.48 104.43 6739.20 32687.20 07:21:01 214.10 82.76 131.34 4477.55 32228.79 Average: 78.32 38.55 39.77 1870.07 10832.50 07:15:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:16:01 170856 1710700 90.92 2620 1129820 1072952 36.62 422640 1129652 12 07:17:01 170292 1711264 90.95 2620 1129824 1073120 36.62 423748 1129360 8 07:18:01 169636 1711920 90.98 2620 1129832 1073204 36.63 424368 1129360 8 07:19:01 170044 1711512 90.96 2620 1129832 1072952 36.62 431576 1122148 8 07:20:01 180032 1701524 90.43 2596 1051928 1185092 40.45 538000 968024 52 07:21:01 223312 1658244 88.13 1572 913664 1221080 41.67 618888 755408 44 Average: 180695 1700861 90.40 2441 1080817 1116400 38.10 476537 1038992 22 07:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:16:01 eth0 0.73 0.10 0.06 0.02 0.00 0.00 0.00 07:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 eth0 2.35 1.58 1.67 0.25 0.00 0.00 0.00 07:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 eth0 0.52 0.30 0.27 0.23 0.00 0.00 0.00 07:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 07:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 vetha114429 0.42 0.48 0.09 0.18 0.00 0.00 0.00 07:20:01 eth0 620.56 412.79 5140.99 148.42 0.00 0.00 0.00 07:20:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 07:20:01 docker0 30.66 28.55 3.58 97.69 0.00 0.00 0.00 07:21:01 veth5d5256b 1.96 1.40 0.28 0.22 0.00 0.00 0.00 07:21:01 eth0 240.54 183.59 3422.95 98.81 0.00 0.00 0.00 07:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 docker0 28.61 30.70 1.85 165.30 0.00 0.00 0.00 Average: veth5d5256b 0.33 0.23 0.05 0.04 0.00 0.00 0.00 Average: eth0 143.56 99.43 1427.79 41.22 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.88 9.88 0.91 43.85 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) 07/24/20 _x86_64_ (4 CPU) 07:13:48 LINUX RESTART 07:15:01 CPU %user %nice %system %iowait %steal %idle 07:16:01 all 0.16 0.00 0.04 0.00 0.00 99.80 07:16:01 0 0.35 0.00 0.03 0.00 0.00 99.62 07:16:01 1 0.07 0.00 0.07 0.00 0.00 99.87 07:16:01 2 0.08 0.00 0.05 0.00 0.00 99.87 07:16:01 3 0.18 0.00 0.03 0.00 0.00 99.78 07:17:01 all 0.18 0.00 0.04 0.00 0.00 99.78 07:17:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:17:01 1 0.08 0.00 0.05 0.00 0.00 99.87 07:17:01 2 0.52 0.00 0.03 0.00 0.00 99.45 07:17:01 3 0.08 0.00 0.02 0.00 0.00 99.90 07:18:01 all 0.17 0.00 0.04 0.00 0.00 99.80 07:18:01 0 0.05 0.00 0.02 0.00 0.00 99.93 07:18:01 1 0.07 0.00 0.07 0.00 0.00 99.87 07:18:01 2 0.50 0.00 0.03 0.00 0.00 99.47 07:18:01 3 0.05 0.00 0.07 0.00 0.00 99.88 07:19:01 all 0.15 0.00 0.04 0.00 0.00 99.80 07:19:01 0 0.02 0.00 0.03 0.00 0.00 99.95 07:19:01 1 0.07 0.00 0.07 0.00 0.00 99.87 07:19:01 2 0.48 0.00 0.03 0.00 0.00 99.48 07:19:01 3 0.03 0.00 0.02 0.00 0.00 99.95 07:20:01 all 8.94 0.00 5.71 2.94 0.02 82.39 07:20:01 0 9.27 0.00 5.35 2.77 0.02 82.59 07:20:01 1 8.76 0.00 6.11 2.90 0.02 82.21 07:20:01 2 9.36 0.00 5.41 4.35 0.02 80.85 07:20:01 3 8.36 0.00 5.98 1.76 0.02 83.89 07:21:01 all 11.05 0.00 8.01 2.77 0.02 78.15 07:21:01 0 9.45 0.00 7.86 2.97 0.02 79.70 07:21:01 1 10.47 0.00 7.58 2.03 0.00 79.92 07:21:01 2 10.72 0.00 7.63 2.55 0.02 79.08 07:21:01 3 13.59 0.00 8.99 3.54 0.02 73.86 Average: all 3.41 0.00 2.29 0.94 0.01 93.35 Average: 0 3.17 0.00 2.20 0.95 0.01 93.68 Average: 1 3.22 0.00 2.30 0.81 0.00 93.65 Average: 2 3.58 0.00 2.18 1.14 0.01 93.09 Average: 3 3.68 0.00 2.49 0.87 0.01 92.95