---> uname -a: Linux 67434bd9d177 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 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% /w/workspace/dgexfoundry_device-rest-go_PR-27 /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-27@tmp /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 640 114 0 1082 1091 Swap: 1023 1 1022 ---> 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) 07/21/20 _x86_64_ (4 CPU) 23:55:26 LINUX RESTART 23:56:01 tps rtps wtps bread/s bwrtn/s 23:57:01 57.82 15.18 42.63 4983.25 5450.91 23:58:01 0.45 0.00 0.45 0.00 8.26 Average: 29.14 7.59 21.55 2492.04 2730.04 23:56:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:57:01 159200 1722356 91.54 2620 1156792 1126840 38.46 443360 1118532 20 23:58:01 164768 1716788 91.24 2620 1156796 1089160 37.17 442304 1114872 8 Average: 161984 1719572 91.39 2620 1156794 1108000 37.81 442832 1116702 14 23:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:57:01 eth0 444.33 282.55 954.10 213.53 0.00 0.00 0.00 23:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:57:01 docker0 50.01 46.60 4.27 132.63 0.00 0.00 0.00 23:58:01 eth0 1.22 0.08 0.11 0.01 0.00 0.00 0.00 23:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 222.81 141.34 477.18 106.79 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 25.01 23.30 2.13 66.32 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) 07/21/20 _x86_64_ (4 CPU) 23:55:26 LINUX RESTART 23:56:01 CPU %user %nice %system %iowait %steal %idle 23:57:01 all 8.03 0.00 2.59 2.30 0.01 87.06 23:57:01 0 7.53 0.00 3.55 2.94 0.00 85.98 23:57:01 1 7.56 0.00 2.84 3.98 0.00 85.62 23:57:01 2 9.39 0.00 1.79 1.12 0.00 87.70 23:57:01 3 7.65 0.00 2.19 1.14 0.02 89.00 23:58:01 all 0.16 0.00 0.04 0.00 0.00 99.80 23:58:01 0 0.03 0.00 0.00 0.00 0.00 99.97 23:58:01 1 0.07 0.00 0.07 0.00 0.00 99.87 23:58:01 2 0.23 0.00 0.02 0.00 0.00 99.75 23:58:01 3 0.32 0.00 0.05 0.00 0.00 99.63 Average: all 4.09 0.00 1.31 1.15 0.00 93.44 Average: 0 3.77 0.00 1.77 1.47 0.00 92.99 Average: 1 3.81 0.00 1.45 1.99 0.00 92.75 Average: 2 4.80 0.00 0.90 0.56 0.00 93.74 Average: 3 3.97 0.00 1.12 0.57 0.01 94.33