---> uname -a: Linux a9b49356e9a3 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-571 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-571@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 646 143 0 1047 1084 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) 09/22/20 _x86_64_ (4 CPU) 05:38:59 LINUX RESTART (4 CPU) 05:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:41:01 7.67 2.17 5.50 0.00 113.38 213.14 0.00 05:42:01 0.38 0.00 0.38 0.00 0.00 6.05 0.00 05:43:01 0.37 0.00 0.37 0.00 0.00 4.80 0.00 05:44:01 0.28 0.00 0.28 0.00 0.00 3.46 0.00 05:45:02 0.27 0.00 0.27 0.00 0.00 3.98 0.00 05:46:01 0.20 0.02 0.19 0.00 0.14 1.59 0.00 Average: 1.52 0.36 1.16 0.00 18.71 38.46 0.00 05:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:41:01 166768 0 566660 30.12 2620 1145508 1110748 37.91 439144 1115564 20 05:42:01 173104 0 560320 29.78 2620 1145512 1080060 36.86 434868 1113968 8 05:43:01 170436 0 562980 29.92 2620 1145520 1080316 36.87 438076 1113768 16 05:44:01 170616 0 562800 29.91 2620 1145520 1080292 36.87 438116 1113764 16 05:45:02 170240 0 563172 29.93 2620 1145524 1080196 36.87 441276 1111088 12 05:46:01 170304 0 563096 29.93 2620 1145536 1080160 36.86 446184 1105996 12 Average: 170245 0 563171 29.93 2620 1145520 1085295 37.04 439611 1112358 14 05:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:41:01 eth0 33.93 28.95 39.44 36.40 0.00 0.00 0.00 0.00 05:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 docker0 9.65 7.55 1.30 18.79 0.00 0.00 0.00 0.00 05:42:01 eth0 0.63 0.08 0.06 0.01 0.00 0.00 0.00 0.00 05:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 eth0 1.32 0.52 0.58 0.36 0.00 0.00 0.00 0.00 05:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 eth0 0.53 0.38 0.27 0.23 0.00 0.00 0.00 0.00 05:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:02 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 0.00 05:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 eth0 0.14 0.10 0.09 0.01 0.00 0.00 0.00 0.00 05:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 6.07 4.98 6.68 6.11 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 1.59 1.24 0.21 3.10 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) 09/22/20 _x86_64_ (4 CPU) 05:38:59 LINUX RESTART (4 CPU) 05:40:02 CPU %user %nice %system %iowait %steal %idle 05:41:01 all 1.31 0.00 0.55 0.04 0.00 98.10 05:41:01 0 1.39 0.00 0.54 0.00 0.00 98.07 05:41:01 1 1.39 0.00 0.63 0.07 0.02 97.90 05:41:01 2 1.14 0.00 0.56 0.00 0.00 98.30 05:41:01 3 1.31 0.00 0.47 0.08 0.00 98.13 05:42:01 all 0.16 0.00 0.03 0.00 0.00 99.80 05:42:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:42:01 1 0.03 0.00 0.02 0.00 0.00 99.95 05:42:01 2 0.05 0.00 0.05 0.00 0.00 99.90 05:42:01 3 0.53 0.00 0.03 0.00 0.02 99.42 05:43:01 all 0.15 0.00 0.03 0.00 0.00 99.82 05:43:01 0 0.03 0.00 0.02 0.00 0.00 99.95 05:43:01 1 0.05 0.00 0.05 0.00 0.00 99.90 05:43:01 2 0.07 0.00 0.05 0.02 0.00 99.87 05:43:01 3 0.45 0.00 0.00 0.00 0.00 99.55 05:44:01 all 0.15 0.00 0.04 0.00 0.00 99.80 05:44:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:44:01 1 0.03 0.00 0.07 0.00 0.00 99.90 05:44:01 2 0.02 0.00 0.02 0.00 0.02 99.95 05:44:01 3 0.53 0.00 0.05 0.00 0.00 99.42 05:45:02 all 0.15 0.00 0.03 0.00 0.00 99.82 05:45:02 0 0.02 0.00 0.03 0.00 0.00 99.95 05:45:02 1 0.03 0.00 0.03 0.00 0.00 99.93 05:45:02 2 0.03 0.00 0.03 0.00 0.00 99.93 05:45:02 3 0.52 0.00 0.02 0.00 0.00 99.47 05:46:01 all 0.14 0.00 0.04 0.00 0.00 99.82 05:46:01 0 0.02 0.00 0.02 0.00 0.00 99.97 05:46:01 1 0.03 0.00 0.03 0.00 0.00 99.93 05:46:01 2 0.02 0.00 0.08 0.00 0.00 99.90 05:46:01 3 0.51 0.00 0.02 0.00 0.00 99.47 Average: all 0.34 0.00 0.12 0.01 0.00 99.53 Average: 0 0.25 0.00 0.11 0.00 0.00 99.64 Average: 1 0.26 0.00 0.14 0.01 0.00 99.59 Average: 2 0.22 0.00 0.13 0.00 0.00 99.65 Average: 3 0.64 0.00 0.10 0.01 0.00 99.25