---> uname -a: Linux cec2432e92c1 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-568 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-568@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 665 114 0 1057 1066 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) 08/20/20 _x86_64_ (4 CPU) 10:01:13 LINUX RESTART 10:02:01 tps rtps wtps bread/s bwrtn/s 10:03:02 28.15 11.17 16.98 4454.73 2421.82 10:04:01 1.64 0.00 1.64 0.00 28.96 10:05:01 0.28 0.00 0.28 0.00 3.61 10:06:01 0.28 0.00 0.28 0.00 3.18 10:07:01 0.30 0.00 0.30 0.00 4.10 10:08:01 56.42 44.46 11.95 4632.06 7426.89 Average: 14.55 9.30 5.25 1519.18 1653.08 10:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:03:02 150860 1730696 91.98 2620 1148736 1108164 37.82 437792 1133444 20 10:04:01 154172 1727384 91.81 2620 1148740 1089296 37.18 438136 1130276 8 10:05:01 152916 1728640 91.87 2620 1148744 1089500 37.18 440252 1129536 8 10:06:01 152188 1729368 91.91 2620 1148748 1089772 37.19 444008 1126888 16 10:07:01 152664 1728892 91.89 2620 1148752 1089700 37.19 456840 1113540 12 10:08:01 123428 1758128 93.44 2620 1132968 1288676 43.98 477852 1112140 23644 Average: 147705 1733851 92.15 2620 1146115 1125851 38.42 449147 1124304 3951 10:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:03:02 eth0 95.41 68.74 389.92 55.44 0.00 0.00 0.00 10:03:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:03:02 docker0 6.82 5.03 0.93 17.90 0.00 0.00 0.00 10:04:01 eth0 1.17 0.07 0.11 0.01 0.00 0.00 0.00 10:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 eth0 1.70 0.73 1.05 0.19 0.00 0.00 0.00 10:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 eth0 0.58 0.30 0.27 0.23 0.00 0.00 0.00 10:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:07:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 10:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:08:01 eth0 86.10 60.20 2326.17 8.35 0.00 0.00 0.00 10:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 30.97 21.77 454.33 10.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.14 0.84 0.16 2.99 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) 08/20/20 _x86_64_ (4 CPU) 10:01:13 LINUX RESTART 10:02:01 CPU %user %nice %system %iowait %steal %idle 10:03:02 all 3.02 0.00 1.76 0.46 0.00 94.76 10:03:02 0 2.83 0.00 2.19 0.22 0.02 94.75 10:03:02 1 3.42 0.00 1.69 0.25 0.00 94.64 10:03:02 2 3.17 0.00 1.62 1.32 0.00 93.89 10:03:02 3 2.63 0.00 1.56 0.05 0.00 95.77 10:04:01 all 0.14 0.00 0.04 0.00 0.00 99.82 10:04:01 0 0.03 0.00 0.05 0.00 0.00 99.92 10:04:01 1 0.47 0.00 0.03 0.00 0.00 99.49 10:04:01 2 0.02 0.00 0.02 0.00 0.00 99.97 10:04:01 3 0.05 0.00 0.05 0.00 0.00 99.90 10:05:01 all 0.15 0.00 0.03 0.00 0.00 99.82 10:05:01 0 0.05 0.00 0.03 0.00 0.00 99.92 10:05:01 1 0.47 0.00 0.03 0.00 0.00 99.50 10:05:01 2 0.03 0.00 0.02 0.00 0.00 99.95 10:05:01 3 0.03 0.00 0.03 0.00 0.00 99.93 10:06:01 all 0.14 0.00 0.04 0.00 0.00 99.82 10:06:01 0 0.02 0.00 0.03 0.00 0.00 99.95 10:06:01 1 0.45 0.00 0.05 0.00 0.00 99.50 10:06:01 2 0.03 0.00 0.05 0.00 0.00 99.92 10:06:01 3 0.05 0.00 0.03 0.00 0.00 99.92 10:07:01 all 0.04 0.00 0.06 0.00 0.00 99.90 10:07:01 0 0.03 0.00 0.03 0.00 0.00 99.93 10:07:01 1 0.05 0.00 0.05 0.00 0.00 99.90 10:07:01 2 0.05 0.00 0.12 0.00 0.00 99.83 10:07:01 3 0.05 0.00 0.03 0.00 0.00 99.92 10:08:01 all 2.24 0.00 1.32 1.12 0.00 95.32 10:08:01 0 1.72 0.00 1.25 0.23 0.00 96.79 10:08:01 1 2.90 0.00 1.58 1.99 0.02 93.51 10:08:01 2 2.69 0.00 1.32 2.14 0.00 93.86 10:08:01 3 1.67 0.00 1.14 0.12 0.00 97.08 Average: all 0.96 0.00 0.54 0.26 0.00 98.24 Average: 0 0.78 0.00 0.60 0.08 0.00 98.54 Average: 1 1.29 0.00 0.57 0.37 0.00 97.76 Average: 2 1.00 0.00 0.52 0.58 0.00 97.90 Average: 3 0.75 0.00 0.47 0.03 0.00 98.75