---> uname -a: Linux bac6dabe5c41 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 658 133 0 1045 1073 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) 07/24/20 _x86_64_ (4 CPU) 07:08:05 LINUX RESTART 07:09:01 tps rtps wtps bread/s bwrtn/s 07:10:01 20.82 4.53 16.29 1099.22 2497.54 07:11:01 1.70 0.00 1.70 0.00 28.71 07:12:01 0.30 0.00 0.30 0.00 5.33 07:13:01 0.25 0.00 0.25 0.00 4.00 07:14:01 0.37 0.00 0.37 0.00 6.08 Average: 4.69 0.91 3.78 219.89 508.43 07:09:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:01 145164 1736392 92.28 2620 1156872 1111556 37.94 452528 1123640 8 07:11:01 149848 1731708 92.04 2620 1156876 1082032 36.93 451512 1120924 16 07:12:01 149208 1732348 92.07 2620 1156884 1082192 36.93 452368 1120924 8 07:13:01 148560 1732996 92.10 2620 1156884 1082088 36.93 453496 1120456 16 07:14:01 147968 1733588 92.14 2620 1156888 1082184 36.93 461120 1113344 12 Average: 148150 1733406 92.13 2620 1156881 1088010 37.13 454205 1119858 12 07:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:10:01 eth0 121.33 104.83 167.36 168.64 0.00 0.00 0.00 07:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 docker0 53.52 43.56 4.31 132.69 0.00 0.00 0.00 07:11:01 eth0 1.62 0.35 0.59 0.02 0.00 0.00 0.00 07:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 eth0 1.37 0.57 0.58 0.39 0.00 0.00 0.00 07:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 07:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 eth0 0.55 0.13 0.13 0.07 0.00 0.00 0.00 07:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 24.99 21.19 33.74 33.83 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.71 8.71 0.86 26.54 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) 07:08:05 LINUX RESTART 07:09:01 CPU %user %nice %system %iowait %steal %idle 07:10:01 all 2.64 0.00 1.12 0.70 0.01 95.53 07:10:01 0 2.84 0.00 1.23 1.72 0.02 94.19 07:10:01 1 2.74 0.00 1.09 0.10 0.02 96.05 07:10:01 2 2.59 0.00 1.27 0.78 0.00 95.36 07:10:01 3 2.41 0.00 0.84 0.22 0.00 96.54 07:11:01 all 0.16 0.00 0.02 0.00 0.00 99.82 07:11:01 0 0.05 0.00 0.02 0.00 0.00 99.93 07:11:01 1 0.13 0.00 0.03 0.00 0.00 99.83 07:11:01 2 0.43 0.00 0.02 0.00 0.00 99.55 07:11:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:12:01 all 0.17 0.00 0.03 0.00 0.00 99.80 07:12:01 0 0.05 0.00 0.05 0.00 0.00 99.90 07:12:01 1 0.07 0.00 0.03 0.00 0.00 99.90 07:12:01 2 0.43 0.00 0.02 0.00 0.00 99.55 07:12:01 3 0.10 0.00 0.03 0.00 0.00 99.87 07:13:01 all 0.15 0.00 0.02 0.00 0.00 99.83 07:13:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:13:01 1 0.03 0.00 0.02 0.00 0.00 99.95 07:13:01 2 0.52 0.00 0.02 0.00 0.00 99.47 07:13:01 3 0.03 0.00 0.02 0.00 0.00 99.95 07:14:01 all 0.15 0.00 0.02 0.00 0.00 99.82 07:14:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:14:01 1 0.38 0.00 0.02 0.00 0.00 99.60 07:14:01 2 0.18 0.00 0.02 0.00 0.00 99.80 07:14:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.65 0.00 0.24 0.14 0.00 98.96 Average: 0 0.60 0.00 0.27 0.34 0.00 98.78 Average: 1 0.67 0.00 0.24 0.02 0.00 99.07 Average: 2 0.83 0.00 0.27 0.16 0.00 98.75 Average: 3 0.51 0.00 0.18 0.04 0.00 99.26