---> uname -a: Linux d6abbe33b11d 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: 2933.442 BogoMIPS: 5866.88 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 7.0G 43.0G 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-591 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-591@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 665 130 0 1041 1063 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) 09/16/20 _x86_64_ (4 CPU) 09:01:02 LINUX RESTART (4 CPU) 09:02:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:03:01 27.58 10.50 17.08 0.00 4402.26 2220.19 0.00 09:04:01 1.42 0.00 1.42 0.00 0.00 21.62 0.00 09:05:01 0.25 0.00 0.25 0.00 0.00 3.36 0.00 09:06:01 0.28 0.00 0.28 0.00 0.00 4.28 0.00 09:07:01 0.38 0.00 0.38 0.00 0.00 4.35 0.00 09:08:01 0.45 0.02 0.43 0.00 0.13 5.81 0.00 Average: 5.06 1.75 3.31 0.00 734.06 376.77 0.00 09:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:03:01 176180 0 589924 31.35 2620 1112832 1126268 38.44 412504 1134636 20 09:04:01 181944 0 584092 31.04 2620 1112900 1089640 37.19 411956 1129768 28 09:05:01 181972 0 584116 31.04 2620 1112848 1089760 37.19 412552 1129744 8 09:06:01 180036 0 586052 31.15 2620 1112848 1089844 37.19 414908 1129136 12 09:07:01 180812 0 585268 31.11 2620 1112856 1089784 37.19 420732 1122900 8 09:08:01 179996 0 586076 31.15 2620 1112864 1089972 37.20 421508 1122896 12 Average: 180157 0 585921 31.14 2620 1112858 1095878 37.40 415693 1128180 15 09:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:03:01 eth0 79.14 64.75 353.42 46.33 0.00 0.00 0.00 0.00 09:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 docker0 6.47 4.48 0.98 18.17 0.00 0.00 0.00 0.00 09:04:01 eth0 1.62 0.08 0.16 0.01 0.00 0.00 0.00 0.00 09:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 eth0 2.95 0.62 0.73 0.40 0.00 0.00 0.00 0.00 09:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 eth0 3.15 0.97 0.95 0.60 0.00 0.00 0.00 0.00 09:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 eth0 1.27 0.35 0.40 0.26 0.00 0.00 0.00 0.00 09:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 eth0 1.02 0.63 0.60 0.37 0.00 0.00 0.00 0.00 09:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 14.86 11.24 59.40 8.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.08 0.75 0.16 3.03 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) 09/16/20 _x86_64_ (4 CPU) 09:01:02 LINUX RESTART (4 CPU) 09:02:01 CPU %user %nice %system %iowait %steal %idle 09:03:01 all 2.61 0.00 1.67 0.63 0.02 95.07 09:03:01 0 2.90 0.00 1.51 1.54 0.02 94.03 09:03:01 1 2.64 0.00 2.04 0.13 0.02 95.17 09:03:01 2 2.30 0.00 1.59 0.49 0.03 95.59 09:03:01 3 2.59 0.00 1.56 0.37 0.02 95.47 09:04:01 all 0.04 0.00 0.05 0.00 0.00 99.91 09:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 09:04:01 1 0.05 0.00 0.03 0.00 0.00 99.92 09:04:01 2 0.07 0.00 0.08 0.00 0.00 99.85 09:04:01 3 0.02 0.00 0.05 0.00 0.00 99.93 09:05:01 all 0.09 0.00 0.03 0.00 0.01 99.87 09:05:01 0 0.05 0.00 0.03 0.00 0.02 99.90 09:05:01 1 0.08 0.00 0.05 0.00 0.00 99.87 09:05:01 2 0.17 0.00 0.03 0.00 0.00 99.80 09:05:01 3 0.05 0.00 0.02 0.00 0.02 99.92 09:06:01 all 0.18 0.00 0.05 0.00 0.00 99.77 09:06:01 0 0.10 0.00 0.05 0.00 0.00 99.85 09:06:01 1 0.10 0.00 0.08 0.00 0.02 99.80 09:06:01 2 0.50 0.00 0.03 0.00 0.00 99.47 09:06:01 3 0.02 0.00 0.02 0.00 0.00 99.97 09:07:01 all 0.17 0.00 0.05 0.00 0.00 99.78 09:07:01 0 0.03 0.00 0.13 0.00 0.00 99.83 09:07:01 1 0.07 0.00 0.05 0.00 0.00 99.88 09:07:01 2 0.53 0.00 0.02 0.00 0.02 99.43 09:07:01 3 0.03 0.00 0.02 0.00 0.00 99.95 09:08:01 all 0.16 0.00 0.05 0.00 0.00 99.78 09:08:01 0 0.05 0.00 0.08 0.00 0.00 99.87 09:08:01 1 0.05 0.00 0.07 0.00 0.00 99.88 09:08:01 2 0.53 0.00 0.03 0.00 0.00 99.43 09:08:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.54 0.00 0.32 0.10 0.01 99.03 Average: 0 0.53 0.00 0.31 0.26 0.01 98.91 Average: 1 0.50 0.00 0.39 0.02 0.01 99.09 Average: 2 0.68 0.00 0.30 0.08 0.01 98.93 Average: 3 0.45 0.00 0.28 0.06 0.01 99.20