---> uname -a: Linux 37b36dbcae95 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% /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 669 117 0 1051 1063 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) 06/23/20 _x86_64_ (4 CPU) 21:43:05 LINUX RESTART 21:44:01 tps rtps wtps bread/s bwrtn/s 21:45:02 7.43 1.88 5.55 79.40 640.60 21:46:01 0.37 0.00 0.37 0.00 6.93 21:47:01 0.30 0.00 0.30 0.00 4.06 21:48:01 0.25 0.00 0.25 0.00 2.56 21:49:01 0.43 0.28 0.15 17.19 1.95 Average: 1.76 0.43 1.33 19.38 131.65 21:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:45:02 147572 1733984 92.16 2620 1147580 1123740 38.35 450556 1123080 24 21:46:01 152640 1728916 91.89 2620 1147584 1081964 36.93 449252 1120132 16 21:47:01 153284 1728272 91.85 2620 1147592 1081916 36.92 449040 1120132 8 21:48:01 152252 1729304 91.91 2620 1147592 1081796 36.92 452468 1117812 8 21:49:01 138828 1742728 92.62 2620 1148144 1095116 37.37 464284 1113376 48 Average: 148915 1732641 92.09 2620 1147698 1092906 37.30 453120 1118906 21 21:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:45:02 eth0 59.38 37.04 18.01 155.24 0.00 0.00 0.00 21:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:02 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 21:46:01 eth0 1.36 0.29 0.37 0.20 0.00 0.00 0.00 21:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 eth0 0.53 0.35 0.27 0.20 0.00 0.00 0.00 21:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 eth0 0.65 0.07 0.06 0.01 0.00 0.00 0.00 21:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:49:01 eth0 6.58 3.58 5.77 2.16 0.00 0.00 0.00 21:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 13.74 8.29 4.91 31.67 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) 06/23/20 _x86_64_ (4 CPU) 21:43:05 LINUX RESTART 21:44:01 CPU %user %nice %system %iowait %steal %idle 21:45:02 all 1.00 0.00 0.26 0.03 0.00 98.71 21:45:02 0 0.82 0.00 0.25 0.02 0.00 98.92 21:45:02 1 0.77 0.00 0.35 0.02 0.00 98.86 21:45:02 2 0.90 0.00 0.28 0.02 0.02 98.78 21:45:02 3 1.50 0.00 0.15 0.05 0.00 98.30 21:46:01 all 0.15 0.00 0.03 0.00 0.00 99.82 21:46:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:46:01 1 0.49 0.00 0.03 0.00 0.00 99.47 21:46:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:46:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:47:01 all 0.16 0.00 0.02 0.00 0.00 99.82 21:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:47:01 1 0.53 0.00 0.02 0.00 0.00 99.45 21:47:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:47:01 3 0.03 0.00 0.00 0.00 0.00 99.97 21:48:01 all 0.15 0.00 0.02 0.00 0.00 99.83 21:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:48:01 1 0.52 0.00 0.00 0.00 0.00 99.48 21:48:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:48:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:49:01 all 0.35 0.00 0.20 0.01 0.00 99.43 21:49:01 0 0.35 0.00 0.27 0.00 0.00 99.38 21:49:01 1 0.68 0.00 0.13 0.00 0.00 99.18 21:49:01 2 0.25 0.00 0.22 0.02 0.00 99.52 21:49:01 3 0.13 0.00 0.22 0.00 0.00 99.65 Average: all 0.36 0.00 0.11 0.01 0.00 99.52 Average: 0 0.25 0.00 0.12 0.00 0.00 99.63 Average: 1 0.60 0.00 0.11 0.00 0.00 99.29 Average: 2 0.25 0.00 0.12 0.01 0.00 99.62 Average: 3 0.34 0.00 0.09 0.01 0.00 99.56