---> uname -a: Linux 58a6676d3ae5 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% /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 /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 639 109 0 1089 1092 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) 18:39:34 LINUX RESTART 18:40:01 tps rtps wtps bread/s bwrtn/s 18:41:01 88.96 37.89 51.07 7347.16 7664.23 18:42:01 1.60 0.00 1.60 0.00 33.59 18:43:01 0.38 0.00 0.38 0.00 6.36 18:44:01 0.20 0.00 0.20 0.00 1.75 Average: 22.80 9.48 13.32 1837.56 1927.28 18:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:41:01 160640 1720916 91.46 2620 1179492 1110900 37.91 409068 1151176 120 18:42:01 165976 1715580 91.18 2620 1179496 1071940 36.58 407340 1148356 20 18:43:01 164704 1716852 91.25 2620 1179504 1072108 36.59 410960 1146628 8 18:44:01 162628 1718928 91.36 2620 1179504 1072232 36.59 413244 1146024 16 Average: 163487 1718069 91.31 2620 1179499 1081795 36.92 410153 1148046 41 18:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:41:01 eth0 600.63 397.54 1308.08 234.20 0.00 0.00 0.00 18:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:41:01 docker0 54.15 44.25 4.27 132.60 0.00 0.00 0.00 18:42:01 eth0 0.73 0.10 0.06 0.02 0.00 0.00 0.00 18:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:43:01 eth0 1.12 0.38 0.43 0.14 0.00 0.00 0.00 18:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 eth0 0.50 0.30 0.27 0.26 0.00 0.00 0.00 18:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 150.81 99.62 327.35 58.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.54 11.07 1.07 33.16 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) 18:39:34 LINUX RESTART 18:40:01 CPU %user %nice %system %iowait %steal %idle 18:41:01 all 13.23 0.00 5.43 3.57 0.02 77.76 18:41:01 0 12.81 0.00 5.67 2.48 0.02 79.02 18:41:01 1 12.32 0.00 6.06 4.54 0.02 77.06 18:41:01 2 13.27 0.00 5.63 5.86 0.02 75.22 18:41:01 3 14.52 0.00 4.34 1.38 0.02 79.75 18:42:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:42:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:42:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:42:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:42:01 3 0.48 0.00 0.03 0.00 0.00 99.48 18:43:01 all 0.09 0.00 0.04 0.00 0.00 99.87 18:43:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:43:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:43:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:43:01 3 0.25 0.00 0.03 0.00 0.00 99.72 18:44:01 all 0.17 0.00 0.02 0.00 0.00 99.81 18:44:01 0 0.05 0.00 0.00 0.00 0.02 99.93 18:44:01 1 0.08 0.00 0.05 0.00 0.02 99.85 18:44:01 2 0.00 0.00 0.02 0.00 0.00 99.98 18:44:01 3 0.53 0.00 0.02 0.00 0.00 99.45 Average: all 3.40 0.00 1.37 0.89 0.01 94.34 Average: 0 3.22 0.00 1.43 0.62 0.01 94.73 Average: 1 3.11 0.00 1.54 1.13 0.01 94.20 Average: 2 3.32 0.00 1.42 1.46 0.00 93.79 Average: 3 3.93 0.00 1.10 0.34 0.00 94.63