---> uname -a: Linux 2a91db04223f 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 7.2G 42.7G 14% / 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 7.2G 42.7G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-24 /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-24@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 637 123 0 1076 1094 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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) 06/15/20 _x86_64_ (4 CPU) 18:56:55 LINUX RESTART 18:58:03 tps rtps wtps bread/s bwrtn/s 18:59:01 1.96 0.00 1.96 0.00 41.41 19:00:01 0.38 0.00 0.38 0.00 5.70 19:01:01 0.42 0.02 0.40 0.13 6.09 19:02:01 0.45 0.12 0.33 2.13 6.34 19:03:01 102.81 72.62 30.19 4998.10 15046.08 Average: 21.33 14.65 6.69 1006.71 3040.90 18:58:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:59:01 160740 1720816 91.46 2584 1178644 1084684 37.02 402292 1159016 20 19:00:01 156672 1724884 91.67 2584 1178648 1077704 36.78 407852 1158004 8 19:01:01 154692 1726864 91.78 2584 1178656 1080252 36.87 408608 1158008 8 19:02:01 156196 1725360 91.70 2584 1178796 1078060 36.79 410760 1155360 20 19:03:01 152044 1729512 91.92 2584 1086752 1511856 51.60 504900 1044308 18656 Average: 156069 1725487 91.71 2584 1160299 1166511 39.81 426882 1134939 3742 18:58:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:59:01 eth0 0.67 0.12 0.06 0.02 0.00 0.00 0.00 18:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 eth0 1.53 0.98 1.07 0.24 0.00 0.00 0.00 19:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:01:01 eth0 0.88 0.30 0.31 0.20 0.00 0.00 0.00 19:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 eth0 0.13 0.13 0.02 0.01 0.00 0.00 0.00 19:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 eth0 99.38 65.56 2331.13 10.51 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.65 13.51 469.62 2.21 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 06/15/20 _x86_64_ (4 CPU) 18:56:55 LINUX RESTART 18:58:03 CPU %user %nice %system %iowait %steal %idle 18:59:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:59:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:59:01 1 0.47 0.00 0.05 0.00 0.00 99.48 18:59:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:59:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:00:01 all 0.16 0.00 0.03 0.00 0.00 99.82 19:00:01 0 0.05 0.00 0.02 0.00 0.00 99.93 19:00:01 1 0.47 0.00 0.02 0.00 0.00 99.52 19:00:01 2 0.08 0.00 0.05 0.00 0.00 99.87 19:00:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:01:01 all 0.09 0.00 0.04 0.00 0.00 99.86 19:01:01 0 0.03 0.00 0.02 0.02 0.00 99.93 19:01:01 1 0.25 0.00 0.05 0.00 0.00 99.70 19:01:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:01:01 3 0.02 0.00 0.03 0.00 0.00 99.95 19:02:01 all 0.12 0.00 0.04 0.00 0.00 99.84 19:02:01 0 0.05 0.00 0.05 0.00 0.00 99.90 19:02:01 1 0.40 0.00 0.07 0.00 0.00 99.53 19:02:01 2 0.03 0.00 0.03 0.02 0.00 99.92 19:02:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:03:01 all 3.99 0.00 2.31 2.11 0.01 91.58 19:03:01 0 3.85 0.00 1.87 1.57 0.02 92.69 19:03:01 1 3.88 0.00 2.84 1.79 0.00 91.49 19:03:01 2 5.03 0.00 2.61 3.61 0.02 88.73 19:03:01 3 3.22 0.00 1.93 1.42 0.02 93.41 Average: all 0.90 0.00 0.49 0.42 0.00 98.18 Average: 0 0.81 0.00 0.40 0.32 0.00 98.47 Average: 1 1.09 0.00 0.61 0.36 0.00 97.94 Average: 2 1.05 0.00 0.56 0.73 0.00 97.66 Average: 3 0.67 0.00 0.41 0.29 0.00 98.64