---> uname -a: Linux 1614a0cfc126 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 7.2G 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-571@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-571 ---> free -m: total used free shared buff/cache available Mem: 1837 658 120 0 1058 1073 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) 08/26/20 _x86_64_ (4 CPU) 08:00:46 LINUX RESTART 08:02:02 tps rtps wtps bread/s bwrtn/s 08:03:01 2.44 0.00 2.44 0.00 54.22 08:04:01 0.17 0.00 0.17 0.00 2.02 08:05:01 0.20 0.00 0.20 0.00 2.30 08:06:01 0.27 0.00 0.27 0.00 3.46 08:07:01 0.40 0.00 0.40 0.00 5.80 Average: 0.69 0.00 0.69 0.00 13.42 08:02:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:03:01 159764 1721792 91.51 2620 1145544 1073396 36.63 448352 1113648 20 08:04:01 158896 1722660 91.56 2620 1145548 1073600 36.64 449780 1113356 16 08:05:01 158544 1723012 91.57 2620 1145556 1073648 36.64 450148 1113176 8 08:06:01 160216 1721340 91.48 2620 1145556 1073396 36.63 448876 1113176 8 08:07:01 158456 1723100 91.58 2620 1145560 1073544 36.64 454352 1109728 8 Average: 159175 1722381 91.54 2620 1145553 1073517 36.64 450302 1112617 12 08:02:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:03:01 eth0 0.61 0.12 0.04 0.04 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 4.20 2.22 3.12 0.33 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 1.28 0.55 0.58 0.37 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 0.08 0.08 0.01 0.04 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 08:07:01 eth0 0.35 0.23 0.14 0.07 0.00 0.00 0.00 08:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.31 0.64 0.78 0.17 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) 08/26/20 _x86_64_ (4 CPU) 08:00:46 LINUX RESTART 08:02:02 CPU %user %nice %system %iowait %steal %idle 08:03:01 all 0.16 0.00 0.06 0.00 0.00 99.78 08:03:01 0 0.03 0.00 0.05 0.00 0.00 99.92 08:03:01 1 0.36 0.00 0.07 0.00 0.00 99.58 08:03:01 2 0.22 0.00 0.07 0.00 0.00 99.71 08:03:01 3 0.02 0.00 0.05 0.00 0.00 99.93 08:04:01 all 0.07 0.00 0.05 0.00 0.00 99.88 08:04:01 0 0.07 0.00 0.03 0.00 0.00 99.90 08:04:01 1 0.05 0.00 0.02 0.00 0.00 99.93 08:04:01 2 0.10 0.00 0.07 0.00 0.00 99.83 08:04:01 3 0.07 0.00 0.05 0.00 0.00 99.88 08:05:01 all 0.16 0.00 0.04 0.00 0.00 99.80 08:05:01 0 0.03 0.00 0.02 0.00 0.02 99.93 08:05:01 1 0.02 0.00 0.05 0.00 0.00 99.93 08:05:01 2 0.57 0.00 0.07 0.00 0.00 99.37 08:05:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:06:01 all 0.15 0.00 0.03 0.00 0.00 99.82 08:06:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:06:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:06:01 2 0.52 0.00 0.03 0.00 0.00 99.45 08:06:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:07:01 all 0.15 0.00 0.05 0.00 0.00 99.80 08:07:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:07:01 1 0.03 0.00 0.05 0.00 0.02 99.90 08:07:01 2 0.52 0.00 0.10 0.00 0.00 99.38 08:07:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.14 0.00 0.04 0.00 0.00 99.82 Average: 0 0.04 0.00 0.03 0.00 0.00 99.93 Average: 1 0.10 0.00 0.04 0.00 0.00 99.85 Average: 2 0.38 0.00 0.07 0.00 0.00 99.55 Average: 3 0.03 0.00 0.04 0.00 0.00 99.94