---> uname -a: Linux d99b32b817fe 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 7.2G 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-553@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-553 ---> free -m: total used free shared buff/cache available Mem: 1837 625 116 0 1095 1107 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) 07/16/20 _x86_64_ (4 CPU) 22:40:45 LINUX RESTART 22:41:01 tps rtps wtps bread/s bwrtn/s 22:42:01 186.78 95.29 91.49 11320.85 40387.90 22:43:01 1.98 0.00 1.98 0.00 39.77 22:44:01 0.42 0.00 0.42 0.00 6.46 22:45:01 0.23 0.00 0.23 0.00 2.83 22:46:01 0.22 0.00 0.22 0.00 3.61 22:47:01 0.33 0.00 0.33 0.00 4.65 Average: 31.67 15.89 15.78 1887.38 6742.93 22:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:42:01 172632 1708924 90.83 2620 1176928 1098676 37.50 388360 1159776 132 22:43:01 172292 1709264 90.84 2620 1176960 1098576 37.49 389804 1159132 20 22:44:01 174416 1707140 90.73 2620 1176968 1097376 37.45 389020 1157932 16 22:45:01 175472 1706084 90.67 2620 1176968 1085852 37.06 388644 1157256 8 22:46:01 174100 1707456 90.75 2620 1176972 1072392 36.60 394796 1152596 8 22:47:01 170760 1710796 90.92 2620 1176980 1072340 36.60 398508 1152472 8 Average: 173279 1708277 90.79 2620 1176963 1087535 37.12 391522 1156527 32 22:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:42:01 eth0 479.52 290.78 1073.70 106.31 0.00 0.00 0.00 22:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 docker0 9.31 7.96 1.31 18.24 0.00 0.00 0.00 22:43:01 eth0 2.71 0.92 1.25 0.43 0.00 0.00 0.00 22:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 eth0 1.43 0.58 0.58 0.40 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 eth0 1.08 0.33 0.32 0.20 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 eth0 0.52 0.35 0.27 0.20 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 eth0 0.32 0.20 0.14 0.07 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 80.95 48.87 179.43 17.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.55 1.33 0.22 3.04 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) 07/16/20 _x86_64_ (4 CPU) 22:40:45 LINUX RESTART 22:41:01 CPU %user %nice %system %iowait %steal %idle 22:42:01 all 15.66 0.00 7.05 11.38 0.02 65.89 22:42:01 0 14.59 0.00 7.25 8.53 0.02 69.62 22:42:01 1 17.28 0.00 7.80 15.25 0.02 59.66 22:42:01 2 14.50 0.00 7.03 12.40 0.02 66.05 22:42:01 3 16.28 0.00 6.11 9.32 0.02 68.28 22:43:01 all 0.17 0.00 0.03 0.00 0.00 99.80 22:43:01 0 0.47 0.00 0.03 0.00 0.00 99.50 22:43:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:43:01 2 0.10 0.00 0.03 0.00 0.00 99.87 22:43:01 3 0.05 0.00 0.05 0.00 0.00 99.90 22:44:01 all 0.20 0.00 0.03 0.00 0.00 99.77 22:44:01 0 0.03 0.00 0.00 0.00 0.00 99.97 22:44:01 1 0.12 0.00 0.07 0.00 0.00 99.82 22:44:01 2 0.52 0.00 0.02 0.00 0.00 99.47 22:44:01 3 0.13 0.00 0.03 0.00 0.00 99.83 22:45:01 all 0.15 0.00 0.02 0.00 0.00 99.83 22:45:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:45:01 1 0.02 0.00 0.02 0.00 0.00 99.97 22:45:01 2 0.52 0.00 0.02 0.00 0.00 99.47 22:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:46:01 all 0.15 0.00 0.02 0.00 0.00 99.82 22:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:46:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:46:01 2 0.50 0.00 0.02 0.00 0.00 99.48 22:46:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:47:01 all 0.15 0.00 0.04 0.00 0.00 99.81 22:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:47:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:47:01 2 0.52 0.00 0.05 0.00 0.00 99.43 22:47:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 2.73 0.00 1.19 1.88 0.00 94.19 Average: 0 2.51 0.00 1.22 1.41 0.00 94.86 Average: 1 2.91 0.00 1.33 2.53 0.00 93.23 Average: 2 2.76 0.00 1.18 2.05 0.00 94.00 Average: 3 2.74 0.00 1.04 1.54 0.00 94.67