---> uname -a: Linux 99e6593f9f14 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: 2933.436 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 7.2G 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-562 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-562@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 671 121 0 1044 1060 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) 08/10/20 _x86_64_ (4 CPU) 07:58:50 LINUX RESTART 08:00:01 tps rtps wtps bread/s bwrtn/s 08:01:01 3.70 0.02 3.68 0.13 114.20 08:02:01 1.07 0.12 0.95 2.13 14.25 08:03:01 0.27 0.00 0.27 0.00 4.13 08:04:01 0.17 0.00 0.17 0.00 1.47 08:05:01 0.25 0.00 0.25 0.00 3.46 08:06:01 80.89 55.06 25.83 4972.70 13432.27 Average: 14.40 9.20 5.19 829.55 2262.69 08:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:01:01 168736 1712820 91.03 2608 1132504 1087604 37.12 433696 1119944 12 08:02:01 168140 1713416 91.06 2608 1132648 1081228 36.90 435256 1119400 8 08:03:01 166932 1714624 91.13 2608 1132652 1081532 36.91 436676 1119396 12 08:04:01 166328 1715228 91.16 2608 1132652 1081292 36.90 445620 1111020 12 08:05:01 165228 1716328 91.22 2608 1132660 1081484 36.91 447548 1110020 8 08:06:01 187364 1694192 90.04 2608 1043204 1288308 43.97 467472 1041672 18108 Average: 170455 1711101 90.94 2608 1117720 1116908 38.12 444378 1103575 3027 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:01:01 eth0 0.17 0.20 0.01 0.06 0.00 0.00 0.00 08:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 eth0 0.77 0.08 0.06 0.01 0.00 0.00 0.00 08:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 eth0 4.45 1.78 3.46 0.44 0.00 0.00 0.00 08:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 eth0 0.53 0.10 0.05 0.04 0.00 0.00 0.00 08:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 eth0 0.75 0.45 0.41 0.27 0.00 0.00 0.00 08:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 eth0 101.23 62.53 2328.23 9.29 0.00 0.00 0.00 08:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.99 10.86 388.89 1.68 0.00 0.00 0.00 Average: lo 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 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/10/20 _x86_64_ (4 CPU) 07:58:50 LINUX RESTART 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:01:01 all 0.16 0.00 0.06 0.00 0.00 99.78 08:01:01 0 0.07 0.00 0.03 0.00 0.00 99.90 08:01:01 1 0.37 0.00 0.05 0.00 0.02 99.57 08:01:01 2 0.17 0.00 0.08 0.00 0.02 99.73 08:01:01 3 0.05 0.00 0.05 0.00 0.00 99.90 08:02:01 all 0.15 0.00 0.03 0.00 0.00 99.81 08:02:01 0 0.02 0.00 0.05 0.00 0.00 99.93 08:02:01 1 0.03 0.00 0.02 0.00 0.00 99.95 08:02:01 2 0.52 0.00 0.03 0.00 0.00 99.45 08:02:01 3 0.03 0.00 0.05 0.00 0.00 99.92 08:03:01 all 0.11 0.00 0.04 0.00 0.01 99.84 08:03:01 0 0.05 0.00 0.03 0.00 0.00 99.92 08:03:01 1 0.08 0.00 0.03 0.00 0.00 99.88 08:03:01 2 0.22 0.00 0.07 0.00 0.02 99.70 08:03:01 3 0.07 0.00 0.05 0.00 0.02 99.87 08:04:01 all 0.05 0.00 0.03 0.00 0.01 99.91 08:04:01 0 0.00 0.00 0.02 0.00 0.00 99.98 08:04:01 1 0.05 0.00 0.03 0.00 0.02 99.90 08:04:01 2 0.15 0.00 0.03 0.00 0.02 99.80 08:04:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:05:01 all 0.12 0.00 0.04 0.00 0.01 99.84 08:05:01 0 0.02 0.00 0.08 0.00 0.00 99.90 08:05:01 1 0.07 0.00 0.03 0.00 0.02 99.88 08:05:01 2 0.02 0.00 0.02 0.00 0.00 99.97 08:05:01 3 0.35 0.00 0.02 0.00 0.02 99.62 08:06:01 all 3.96 0.00 2.11 1.14 0.04 92.75 08:06:01 0 3.71 0.00 1.91 0.35 0.05 93.98 08:06:01 1 4.75 0.00 2.18 2.60 0.07 90.40 08:06:01 2 3.24 0.00 2.30 0.84 0.02 93.61 08:06:01 3 4.16 0.00 2.05 0.79 0.03 92.97 Average: all 0.75 0.00 0.38 0.19 0.01 98.66 Average: 0 0.64 0.00 0.35 0.06 0.01 98.94 Average: 1 0.89 0.00 0.39 0.43 0.02 98.27 Average: 2 0.72 0.00 0.42 0.14 0.01 98.71 Average: 3 0.78 0.00 0.37 0.13 0.01 98.71