---> uname -a: Linux 67153d1665da 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: 2933.396 BogoMIPS: 5866.79 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1837 678 122 0 1036 1053 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) 08/21/20 _x86_64_ (4 CPU) 03:28:09 LINUX RESTART 03:29:01 tps rtps wtps bread/s bwrtn/s 03:30:01 27.52 10.49 17.03 4411.92 2416.36 03:31:01 1.32 0.00 1.32 0.00 17.67 03:32:01 0.30 0.00 0.30 0.00 4.06 03:33:01 0.27 0.00 0.27 0.00 3.23 03:34:01 0.15 0.00 0.15 0.00 2.10 03:35:01 136.08 94.95 41.13 7050.95 16639.67 Average: 27.66 17.61 10.05 1913.15 3187.00 03:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 156832 1724724 91.66 2620 1122872 1117544 38.14 463996 1101528 16 03:31:01 161724 1719832 91.40 2620 1122876 1081992 36.93 461800 1099584 20 03:32:01 160712 1720844 91.46 2620 1122884 1082148 36.93 462604 1099584 8 03:33:01 159344 1722212 91.53 2620 1122884 1082272 36.94 466412 1097304 8 03:34:01 160656 1720900 91.46 2620 1122892 1082080 36.93 473832 1088964 20 03:35:01 89544 1792012 95.24 2620 1107448 1280720 43.71 472720 1111024 34844 Average: 148135 1733421 92.13 2620 1120309 1121126 38.26 466894 1099665 5819 03:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:30:01 eth0 59.51 47.18 351.07 50.41 0.00 0.00 0.00 03:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 docker0 6.93 4.78 0.91 17.93 0.00 0.00 0.00 03:31:01 eth0 3.81 2.35 2.95 0.15 0.00 0.00 0.00 03:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 eth0 0.97 0.43 0.35 0.21 0.00 0.00 0.00 03:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 eth0 0.37 0.32 0.26 0.20 0.00 0.00 0.00 03:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 eth0 0.28 0.20 0.14 0.07 0.00 0.00 0.00 03:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 eth0 93.46 63.87 2327.43 11.44 0.00 0.00 0.00 03:35:01 lo 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 Average: eth0 26.43 19.08 447.94 10.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.15 0.80 0.15 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) 08/21/20 _x86_64_ (4 CPU) 03:28:09 LINUX RESTART 03:29:01 CPU %user %nice %system %iowait %steal %idle 03:30:01 all 2.80 0.00 1.60 0.56 0.00 95.03 03:30:01 0 3.14 0.00 1.71 1.10 0.00 94.05 03:30:01 1 2.65 0.00 1.65 0.78 0.00 94.91 03:30:01 2 2.86 0.00 1.47 0.23 0.00 95.44 03:30:01 3 2.57 0.00 1.54 0.10 0.02 95.77 03:31:01 all 0.16 0.00 0.05 0.00 0.00 99.80 03:31:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:31:01 1 0.45 0.00 0.05 0.00 0.00 99.50 03:31:01 2 0.05 0.00 0.05 0.00 0.02 99.88 03:31:01 3 0.08 0.00 0.07 0.00 0.00 99.85 03:32:01 all 0.17 0.00 0.03 0.00 0.00 99.80 03:32:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:32:01 1 0.53 0.00 0.02 0.00 0.00 99.45 03:32:01 2 0.07 0.00 0.03 0.00 0.00 99.90 03:32:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:33:01 all 0.15 0.00 0.03 0.00 0.00 99.82 03:33:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:33:01 1 0.48 0.00 0.03 0.00 0.00 99.48 03:33:01 2 0.07 0.00 0.02 0.00 0.00 99.92 03:33:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:34:01 all 0.16 0.00 0.06 0.00 0.00 99.78 03:34:01 0 0.50 0.00 0.03 0.00 0.00 99.47 03:34:01 1 0.03 0.00 0.12 0.00 0.00 99.85 03:34:01 2 0.03 0.00 0.05 0.00 0.00 99.92 03:34:01 3 0.08 0.00 0.05 0.00 0.00 99.87 03:35:01 all 5.14 0.00 2.98 1.85 0.00 90.02 03:35:01 0 4.94 0.00 2.96 1.87 0.00 90.23 03:35:01 1 4.84 0.00 3.07 2.37 0.02 89.70 03:35:01 2 5.09 0.00 3.19 2.67 0.00 89.06 03:35:01 3 5.68 0.00 2.71 0.47 0.00 91.14 Average: all 1.43 0.00 0.79 0.40 0.00 97.38 Average: 0 1.45 0.00 0.80 0.49 0.00 97.26 Average: 1 1.50 0.00 0.82 0.53 0.00 97.15 Average: 2 1.36 0.00 0.80 0.48 0.00 97.35 Average: 3 1.42 0.00 0.73 0.09 0.00 97.75