---> uname -a: Linux 58c0ac799d33 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-26 /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-26@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 663 116 0 1057 1068 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) 06/17/20 _x86_64_ (4 CPU) 23:07:24 LINUX RESTART 23:08:02 tps rtps wtps bread/s bwrtn/s 23:09:01 51.34 13.29 38.05 4821.00 4820.93 23:10:01 1.63 0.00 1.63 0.00 30.17 23:11:01 0.27 0.00 0.27 0.00 2.85 23:12:01 0.27 0.00 0.27 0.00 3.60 23:13:01 0.30 0.00 0.30 0.00 4.70 23:14:01 0.28 0.00 0.28 0.00 3.81 23:15:01 0.33 0.02 0.32 0.13 3.51 23:16:01 0.22 0.00 0.22 0.00 2.30 Average: 6.74 1.64 5.10 593.99 600.35 23:08:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:09:01 180548 1701008 90.40 2620 1167284 1106492 37.76 420856 1119496 20 23:10:01 184820 1696736 90.18 2620 1167288 1071180 36.56 418568 1117780 8 23:11:01 184640 1696916 90.19 2620 1167296 1071168 36.56 419504 1117644 12 23:12:01 182348 1699208 90.31 2620 1167296 1071328 36.56 422348 1117148 8 23:13:01 180672 1700884 90.40 2620 1167300 1071364 36.56 427020 1114060 12 23:14:01 177720 1703836 90.55 2620 1167308 1071488 36.57 436956 1107004 8 23:15:01 180200 1701356 90.42 2620 1167316 1071340 36.56 435300 1107004 8 23:16:01 179648 1701908 90.45 2620 1167324 1071340 36.56 432852 1109468 8 Average: 181325 1700232 90.36 2620 1167302 1075713 36.71 426676 1113701 11 23:08:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:09:01 eth0 368.85 281.65 845.07 203.13 0.00 0.00 0.00 23:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 docker0 62.75 50.27 5.07 135.44 0.00 0.00 0.00 23:10:01 eth0 0.58 0.33 0.27 0.21 0.00 0.00 0.00 23:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 eth0 3.76 1.63 2.95 0.11 0.00 0.00 0.00 23:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 eth0 2.18 0.75 0.68 0.38 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 eth0 1.08 0.38 0.45 0.29 0.00 0.00 0.00 23:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 eth0 0.40 0.27 0.26 0.19 0.00 0.00 0.00 23:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 23:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 46.47 35.14 104.70 25.18 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.73 6.19 0.62 16.69 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) 06/17/20 _x86_64_ (4 CPU) 23:07:24 LINUX RESTART 23:08:02 CPU %user %nice %system %iowait %steal %idle 23:09:01 all 5.69 0.00 2.25 1.71 0.00 90.34 23:09:01 0 5.92 0.00 2.74 0.32 0.00 91.01 23:09:01 1 5.56 0.00 2.01 1.10 0.00 91.33 23:09:01 2 4.88 0.00 1.72 0.56 0.02 92.82 23:09:01 3 6.38 0.00 2.49 4.85 0.00 86.28 23:10:01 all 0.16 0.00 0.04 0.00 0.00 99.79 23:10:01 0 0.05 0.00 0.05 0.00 0.00 99.90 23:10:01 1 0.52 0.00 0.05 0.00 0.00 99.43 23:10:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:10:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:11:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:11:01 0 0.07 0.00 0.07 0.00 0.00 99.87 23:11:01 1 0.08 0.00 0.03 0.00 0.00 99.88 23:11:01 2 0.05 0.00 0.02 0.00 0.00 99.93 23:11:01 3 0.45 0.00 0.03 0.00 0.00 99.52 23:12:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:12:01 0 0.08 0.00 0.05 0.00 0.00 99.87 23:12:01 1 0.52 0.00 0.02 0.00 0.00 99.47 23:12:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:12:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:13:01 all 0.17 0.00 0.07 0.00 0.00 99.76 23:13:01 0 0.07 0.00 0.03 0.00 0.00 99.90 23:13:01 1 0.52 0.00 0.02 0.00 0.00 99.47 23:13:01 2 0.07 0.00 0.17 0.00 0.00 99.77 23:13:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:14:01 all 0.17 0.00 0.05 0.00 0.00 99.78 23:14:01 0 0.08 0.00 0.03 0.00 0.00 99.88 23:14:01 1 0.50 0.00 0.03 0.00 0.02 99.45 23:14:01 2 0.05 0.00 0.15 0.00 0.00 99.80 23:14:01 3 0.03 0.00 0.00 0.00 0.00 99.97 23:15:01 all 0.17 0.00 0.04 0.00 0.00 99.80 23:15:01 0 0.02 0.00 0.03 0.02 0.00 99.93 23:15:01 1 0.52 0.00 0.02 0.00 0.00 99.47 23:15:01 2 0.07 0.00 0.07 0.00 0.00 99.87 23:15:01 3 0.05 0.00 0.02 0.00 0.00 99.93 23:16:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:16:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:16:01 1 0.53 0.00 0.03 0.00 0.00 99.43 23:16:01 2 0.03 0.00 0.05 0.00 0.00 99.92 23:16:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.84 0.00 0.31 0.21 0.00 98.63 Average: 0 0.78 0.00 0.37 0.04 0.00 98.81 Average: 1 1.08 0.00 0.27 0.14 0.00 98.51 Average: 2 0.65 0.00 0.28 0.07 0.00 99.01 Average: 3 0.86 0.00 0.33 0.59 0.00 98.22