---> uname -a: Linux 5b8d7561af0f 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% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_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 765 109 0 962 1005 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) 00:48:34 LINUX RESTART 00:49:01 tps rtps wtps bread/s bwrtn/s 00:50:03 97.42 39.62 57.80 7330.78 9670.95 00:51:01 1.88 0.00 1.88 0.00 37.42 00:52:01 0.47 0.00 0.47 0.00 7.69 00:53:01 0.37 0.00 0.37 0.00 5.56 00:54:01 0.28 0.00 0.28 0.00 4.95 00:55:01 53.07 18.32 34.75 1176.62 18054.94 00:56:01 381.79 199.52 182.28 9225.23 45408.44 Average: 76.86 36.97 39.89 2546.33 10509.31 00:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 171048 1710508 90.91 2620 1161520 1110840 37.91 413548 1135636 120 00:51:01 178152 1703404 90.53 2620 1161524 1079380 36.84 410304 1133000 16 00:52:01 175668 1705888 90.66 2620 1161532 1079548 36.84 413216 1132788 8 00:53:01 172928 1708628 90.81 2620 1161532 1079648 36.85 415676 1132780 8 00:54:01 172712 1708844 90.82 2620 1161540 1079444 36.84 418444 1129868 8 00:55:01 178088 1703468 90.54 2620 1048376 1504632 51.35 477612 1029912 79660 00:56:01 192584 1688972 89.76 1652 933732 1422492 48.55 638248 763832 52 Average: 177311 1704245 90.58 2482 1112822 1193712 40.74 455293 1065402 11410 00:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:50:03 eth0 509.06 279.97 1071.26 103.98 0.00 0.00 0.00 00:50:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:03 docker0 8.82 6.73 1.22 17.85 0.00 0.00 0.00 00:51:01 eth0 0.72 0.09 0.07 0.01 0.00 0.00 0.00 00:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:52:01 eth0 1.95 0.77 1.19 0.20 0.00 0.00 0.00 00:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:53:01 eth0 0.62 0.30 0.27 0.23 0.00 0.00 0.00 00:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:54:01 eth0 0.45 0.08 0.05 0.01 0.00 0.00 0.00 00:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:55:01 eth0 113.66 85.08 3762.35 9.81 0.00 0.00 0.00 00:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:56:01 eth0 269.80 191.41 3464.12 87.19 0.00 0.00 0.00 00:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:56:01 veth4cdb8af 0.00 0.10 0.00 0.01 0.00 0.00 0.00 00:56:01 docker0 56.76 58.21 4.93 223.47 0.00 0.00 0.00 Average: eth0 128.68 80.08 1191.55 28.92 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4cdb8af 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.15 8.36 0.71 32.09 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) 00:48:34 LINUX RESTART 00:49:01 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 13.29 0.00 5.60 4.18 0.01 76.93 00:50:03 0 12.59 0.00 5.78 4.44 0.02 77.17 00:50:03 1 13.94 0.00 5.87 5.38 0.02 74.79 00:50:03 2 13.33 0.00 5.31 3.88 0.02 77.47 00:50:03 3 13.30 0.00 5.43 3.01 0.02 78.25 00:51:01 all 0.15 0.00 0.04 0.00 0.00 99.81 00:51:01 0 0.45 0.00 0.02 0.00 0.00 99.53 00:51:01 1 0.07 0.00 0.05 0.00 0.00 99.88 00:51:01 2 0.03 0.00 0.03 0.00 0.00 99.93 00:51:01 3 0.02 0.00 0.05 0.00 0.00 99.93 00:52:01 all 0.15 0.00 0.04 0.00 0.00 99.80 00:52:01 0 0.47 0.00 0.03 0.00 0.00 99.50 00:52:01 1 0.07 0.00 0.03 0.00 0.00 99.90 00:52:01 2 0.05 0.00 0.03 0.00 0.00 99.92 00:52:01 3 0.03 0.00 0.02 0.00 0.00 99.95 00:53:01 all 0.16 0.00 0.03 0.00 0.00 99.81 00:53:01 0 0.52 0.00 0.02 0.00 0.00 99.47 00:53:01 1 0.03 0.00 0.05 0.00 0.00 99.92 00:53:01 2 0.08 0.00 0.07 0.00 0.00 99.85 00:53:01 3 0.00 0.00 0.02 0.00 0.00 99.98 00:54:01 all 0.17 0.00 0.05 0.00 0.00 99.79 00:54:01 0 0.52 0.00 0.02 0.00 0.00 99.47 00:54:01 1 0.07 0.00 0.08 0.00 0.00 99.85 00:54:01 2 0.07 0.00 0.05 0.00 0.00 99.88 00:54:01 3 0.03 0.00 0.03 0.00 0.00 99.93 00:55:01 all 4.27 0.00 2.56 0.25 0.01 92.91 00:55:01 0 5.01 0.00 2.08 0.50 0.02 92.40 00:55:01 1 3.83 0.00 3.20 0.13 0.02 92.82 00:55:01 2 4.34 0.00 2.40 0.20 0.02 93.04 00:55:01 3 3.90 0.00 2.60 0.13 0.00 93.37 00:56:01 all 13.42 0.00 8.26 5.44 0.03 72.85 00:56:01 0 12.61 0.00 8.88 5.26 0.03 73.21 00:56:01 1 14.06 0.00 7.96 6.54 0.02 71.43 00:56:01 2 14.66 0.00 7.50 3.74 0.02 74.09 00:56:01 3 12.36 0.00 8.71 6.21 0.03 72.69 Average: all 4.51 0.00 2.36 1.40 0.01 91.72 Average: 0 4.59 0.00 2.40 1.45 0.01 91.55 Average: 1 4.57 0.00 2.46 1.72 0.01 91.24 Average: 2 4.65 0.00 2.19 1.12 0.01 92.04 Average: 3 4.22 0.00 2.40 1.33 0.01 92.04