---> uname -a: Linux e3f1726453ed 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: 2933.436 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1837 666 126 0 1044 1065 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 (prd-centos7-docker-4c-2g-495.vexxhost.local) 07/22/20 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps bread/s bwrtn/s 00:01:01 1.68 0.02 1.67 0.13 28.52 00:02:01 0.47 0.12 0.35 2.13 6.66 00:03:01 0.27 0.00 0.27 0.00 2.71 00:04:01 0.23 0.00 0.23 0.00 2.02 Average: 0.66 0.03 0.63 0.57 9.98 00:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:01:01 147880 1733676 92.14 2620 1149792 1075836 36.72 463164 1110668 8 00:02:01 147980 1733576 92.14 2620 1149936 1074172 36.66 464004 1110012 8 00:03:01 148368 1733188 92.11 2620 1149940 1073980 36.65 464908 1109332 8 00:04:01 148220 1733336 92.12 2620 1149948 1073980 36.65 470004 1104244 8 Average: 148112 1733444 92.13 2620 1149904 1074492 36.67 465520 1108564 8 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:01:01 eth0 3.60 1.57 2.95 0.12 0.00 0.00 0.00 00:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 eth0 0.50 0.28 0.27 0.17 0.00 0.00 0.00 00:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 00:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:04:01 eth0 0.40 0.08 0.03 0.01 0.00 0.00 0.00 00:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.15 0.50 0.82 0.08 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 (prd-centos7-docker-4c-2g-495.vexxhost.local) 07/22/20 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:01:01 all 0.15 0.00 0.06 0.00 0.00 99.79 00:01:01 0 0.03 0.00 0.05 0.00 0.00 99.92 00:01:01 1 0.03 0.00 0.03 0.00 0.00 99.93 00:01:01 2 0.47 0.00 0.08 0.00 0.00 99.45 00:01:01 3 0.05 0.00 0.07 0.00 0.00 99.88 00:02:01 all 0.17 0.00 0.04 0.00 0.03 99.75 00:02:01 0 0.05 0.00 0.05 0.00 0.05 99.85 00:02:01 1 0.08 0.00 0.03 0.00 0.02 99.87 00:02:01 2 0.52 0.00 0.03 0.00 0.02 99.43 00:02:01 3 0.05 0.00 0.03 0.00 0.07 99.85 00:03:01 all 0.13 0.00 0.02 0.00 0.03 99.81 00:03:01 0 0.03 0.00 0.00 0.00 0.02 99.95 00:03:01 1 0.02 0.00 0.03 0.00 0.03 99.92 00:03:01 2 0.48 0.00 0.03 0.00 0.05 99.43 00:03:01 3 0.02 0.00 0.02 0.00 0.03 99.93 00:04:01 all 0.14 0.00 0.02 0.00 0.02 99.82 00:04:01 0 0.00 0.00 0.05 0.00 0.02 99.93 00:04:01 1 0.03 0.00 0.02 0.00 0.00 99.95 00:04:01 2 0.47 0.00 0.03 0.00 0.03 99.47 00:04:01 3 0.03 0.00 0.03 0.00 0.02 99.92 Average: all 0.15 0.00 0.04 0.00 0.02 99.79 Average: 0 0.03 0.00 0.04 0.00 0.02 99.91 Average: 1 0.04 0.00 0.03 0.00 0.01 99.92 Average: 2 0.48 0.00 0.05 0.00 0.02 99.45 Average: 3 0.04 0.00 0.04 0.00 0.03 99.90