---> uname -a: Linux 573672b9d3d1 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 7.0G 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% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-581 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-581@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 652 146 0 1038 1078 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) 09/09/20 _x86_64_ (4 CPU) 03:32:54 LINUX RESTART (4 CPU) 03:34:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:35:01 2.85 0.00 2.85 0.00 0.00 98.58 0.00 03:36:01 0.38 0.00 0.38 0.00 0.00 4.88 0.00 03:37:01 0.25 0.00 0.25 0.00 0.00 4.05 0.00 03:38:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 03:39:01 0.22 0.00 0.22 0.00 0.00 3.38 0.00 03:40:01 0.37 0.02 0.35 0.00 0.13 3.85 0.00 Average: 0.72 0.00 0.71 0.00 0.02 19.60 0.00 03:34:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:35:01 179832 0 569920 30.29 2620 1129184 1113112 37.99 419376 1122576 4 03:36:01 183296 0 566452 30.11 2620 1129188 1086300 37.07 417832 1120912 8 03:37:01 181144 0 568596 30.22 2620 1129196 1082484 36.94 420508 1120704 20 03:38:01 181400 0 568288 30.20 2620 1129248 1082500 36.94 420516 1120716 16 03:39:01 180768 0 568964 30.24 2620 1129204 1082404 36.94 422324 1119872 8 03:40:01 182028 0 567696 30.17 2620 1129212 1073880 36.65 436108 1104700 8 Average: 181411 0 568319 30.20 2620 1129205 1086780 37.09 422777 1118247 11 03:34:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:35:01 eth0 10.77 6.44 3.44 19.84 0.00 0.00 0.00 0.00 03:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 eth0 3.15 0.32 0.51 0.23 0.00 0.00 0.00 0.00 03:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 eth0 5.46 1.50 1.84 0.96 0.00 0.00 0.00 0.00 03:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 eth0 2.56 0.80 0.93 0.60 0.00 0.00 0.00 0.00 03:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 eth0 0.65 0.45 0.40 0.30 0.00 0.00 0.00 0.00 03:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 0.00 03:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.78 1.60 1.19 3.66 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 0.00 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) 09/09/20 _x86_64_ (4 CPU) 03:32:54 LINUX RESTART (4 CPU) 03:34:01 CPU %user %nice %system %iowait %steal %idle 03:35:01 all 0.53 0.00 0.05 0.00 0.00 99.41 03:35:01 0 0.65 0.00 0.05 0.00 0.02 99.28 03:35:01 1 0.78 0.00 0.05 0.00 0.00 99.17 03:35:01 2 0.33 0.00 0.07 0.00 0.00 99.60 03:35:01 3 0.37 0.00 0.05 0.00 0.00 99.58 03:36:01 all 0.15 0.00 0.03 0.00 0.00 99.82 03:36:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:36:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:36:01 2 0.48 0.00 0.05 0.00 0.00 99.47 03:36:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:37:01 all 0.13 0.00 0.05 0.00 0.00 99.82 03:37:01 0 0.27 0.00 0.08 0.00 0.00 99.65 03:37:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:37:01 2 0.08 0.00 0.03 0.00 0.00 99.88 03:37:01 3 0.15 0.00 0.05 0.00 0.00 99.80 03:38:01 all 0.17 0.00 0.03 0.00 0.00 99.79 03:38:01 0 0.52 0.00 0.03 0.00 0.00 99.45 03:38:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:38:01 2 0.07 0.00 0.03 0.00 0.00 99.90 03:38:01 3 0.07 0.00 0.05 0.00 0.02 99.87 03:39:01 all 0.17 0.00 0.03 0.00 0.00 99.80 03:39:01 0 0.52 0.00 0.03 0.00 0.00 99.45 03:39:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:39:01 2 0.05 0.00 0.02 0.00 0.00 99.93 03:39:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:40:01 all 0.15 0.00 0.05 0.00 0.00 99.79 03:40:01 0 0.50 0.00 0.02 0.00 0.00 99.48 03:40:01 1 0.03 0.00 0.13 0.00 0.00 99.83 03:40:01 2 0.05 0.00 0.05 0.00 0.02 99.88 03:40:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.22 0.00 0.04 0.00 0.00 99.74 Average: 0 0.41 0.00 0.04 0.00 0.00 99.54 Average: 1 0.16 0.00 0.05 0.00 0.00 99.79 Average: 2 0.18 0.00 0.04 0.00 0.00 99.78 Average: 3 0.11 0.00 0.04 0.00 0.00 99.84