---> uname -a: Linux fa37742a9f36 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 42.8G 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 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549 ---> free -m: total used free shared buff/cache available Mem: 1837 654 118 0 1064 1076 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 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/14/20 _x86_64_ (4 CPU) 07:10:17 LINUX RESTART 07:11:01 tps rtps wtps bread/s bwrtn/s 07:12:01 44.71 10.81 33.91 4420.45 2574.64 07:13:01 2.06 0.00 2.06 0.00 37.64 07:14:01 0.65 0.00 0.65 0.00 6.71 07:15:01 0.33 0.00 0.33 0.00 5.61 07:16:01 0.17 0.00 0.17 0.00 2.08 07:17:01 0.33 0.00 0.33 0.00 5.11 Average: 8.04 1.80 6.24 736.78 438.66 07:11:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:12:01 170144 1711412 90.96 2620 1131312 1119428 38.20 459268 1092152 8 07:13:01 175892 1705664 90.65 2620 1131316 1080784 36.89 456568 1090120 8 07:14:01 175788 1705768 90.66 2620 1131324 1080784 36.89 457784 1088956 8 07:15:01 173960 1707596 90.75 2620 1131324 1080952 36.89 460672 1088416 12 07:16:01 173860 1707696 90.76 2620 1131332 1080996 36.89 467604 1081280 20 07:17:01 174252 1707304 90.74 2620 1131336 1080888 36.89 467456 1081276 12 Average: 173983 1707573 90.75 2620 1131324 1087305 37.11 461559 1087033 11 07:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:12:01 eth0 173.32 122.48 482.04 64.70 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 10.46 8.93 1.33 18.07 0.00 0.00 0.00 07:13:01 eth0 0.02 0.02 0.00 0.00 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 0.65 0.08 0.06 0.01 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 07:15:01 eth0 1.70 0.87 1.03 0.21 0.00 0.00 0.00 07:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 eth0 0.57 0.42 0.34 0.29 0.00 0.00 0.00 07:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 eth0 0.15 0.08 0.07 0.01 0.00 0.00 0.00 07:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 29.40 20.66 80.59 10.87 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.74 1.49 0.22 3.01 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) 07/14/20 _x86_64_ (4 CPU) 07:10:17 LINUX RESTART 07:11:01 CPU %user %nice %system %iowait %steal %idle 07:12:01 all 3.68 0.00 1.90 1.58 0.01 92.83 07:12:01 0 3.51 0.00 1.96 0.15 0.00 94.38 07:12:01 1 3.30 0.00 2.19 4.65 0.00 89.86 07:12:01 2 3.96 0.00 1.67 1.34 0.00 93.03 07:12:01 3 3.95 0.00 1.79 0.18 0.02 94.06 07:13:01 all 0.15 0.00 0.03 0.00 0.00 99.81 07:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:13:01 1 0.07 0.00 0.03 0.00 0.00 99.90 07:13:01 2 0.50 0.00 0.03 0.00 0.00 99.47 07:13:01 3 0.05 0.00 0.03 0.00 0.02 99.90 07:14:01 all 0.14 0.00 0.02 0.00 0.00 99.84 07:14:01 0 0.00 0.00 0.00 0.00 0.00 100.00 07:14:01 1 0.03 0.00 0.03 0.00 0.00 99.93 07:14:01 2 0.48 0.00 0.07 0.00 0.00 99.45 07:14:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:15:01 all 0.15 0.00 0.03 0.00 0.00 99.82 07:15:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:15:01 1 0.05 0.00 0.02 0.00 0.00 99.93 07:15:01 2 0.50 0.00 0.03 0.00 0.00 99.47 07:15:01 3 0.02 0.00 0.03 0.00 0.00 99.95 07:16:01 all 0.16 0.00 0.03 0.00 0.00 99.80 07:16:01 0 0.03 0.00 0.02 0.00 0.00 99.95 07:16:01 1 0.03 0.00 0.02 0.00 0.00 99.95 07:16:01 2 0.05 0.00 0.02 0.00 0.00 99.93 07:16:01 3 0.53 0.00 0.08 0.00 0.00 99.38 07:17:01 all 0.15 0.00 0.07 0.00 0.00 99.79 07:17:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:17:01 1 0.03 0.00 0.05 0.00 0.00 99.92 07:17:01 2 0.02 0.00 0.02 0.00 0.00 99.97 07:17:01 3 0.52 0.00 0.18 0.00 0.00 99.30 Average: all 0.74 0.00 0.35 0.26 0.00 98.65 Average: 0 0.60 0.00 0.34 0.03 0.00 99.04 Average: 1 0.58 0.00 0.39 0.77 0.00 98.25 Average: 2 0.92 0.00 0.31 0.22 0.00 98.55 Average: 3 0.84 0.00 0.36 0.03 0.01 98.76