---> uname -a: Linux 93e29b81dccb 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 766 106 0 963 1002 Swap: 1023 3 1020 ---> 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 16: eth0@if17: 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) 14:59:47 LINUX RESTART 15:01:03 tps rtps wtps bread/s bwrtn/s 15:02:01 2.41 0.09 2.33 1.93 53.21 15:03:01 0.37 0.00 0.37 0.00 5.41 15:04:01 0.27 0.00 0.27 0.00 3.48 15:05:01 0.25 0.00 0.25 0.00 2.83 15:06:01 0.28 0.00 0.28 0.00 3.36 15:07:01 0.22 0.02 0.20 0.13 1.78 15:08:01 165.40 107.01 58.38 3287.39 26842.03 15:09:01 280.91 130.14 150.77 7715.49 36612.12 Average: 56.51 29.79 26.72 1382.01 7976.56 15:01:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:02:01 166276 1715280 91.16 2620 1138200 1100488 37.56 434880 1120760 16 15:03:01 167056 1714500 91.12 2620 1138208 1081984 36.93 435892 1119668 8 15:04:01 165548 1716008 91.20 2620 1138212 1082188 36.93 436884 1119668 8 15:05:01 164060 1717496 91.28 2620 1138216 1082260 36.94 442304 1116012 8 15:06:01 164856 1716700 91.24 2620 1138220 1082180 36.93 442600 1114948 8 15:07:01 165496 1716060 91.20 2620 1138228 1082176 36.93 441748 1114948 8 15:08:01 76552 1805004 95.93 2620 1117788 1507640 51.45 498748 1110008 48936 15:09:01 192876 1688680 89.75 1500 938056 1415248 48.30 631184 771768 56 Average: 157840 1723716 91.61 2480 1110641 1179271 40.25 470530 1073473 6131 15:01:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:02:01 eth0 3.41 1.67 3.59 0.12 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 eth0 0.33 0.08 0.03 0.01 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 eth0 1.92 0.28 0.40 0.20 0.00 0.00 0.00 15:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 eth0 0.48 0.37 0.27 0.20 0.00 0.00 0.00 15:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 eth0 0.32 0.20 0.14 0.07 0.00 0.00 0.00 15:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 eth0 131.84 86.99 3765.13 10.62 0.00 0.00 0.00 15:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 eth0 252.45 181.96 3463.66 80.12 0.00 0.00 0.00 15:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 veth1b23f60 0.00 0.10 0.00 0.01 0.00 0.00 0.00 15:09:01 docker0 52.42 55.20 4.64 228.99 0.00 0.00 0.00 Average: eth0 49.07 34.11 908.21 11.47 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1b23f60 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.58 6.93 0.58 28.76 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) 14:59:47 LINUX RESTART 15:01:03 CPU %user %nice %system %iowait %steal %idle 15:02:01 all 0.19 0.00 0.05 0.00 0.00 99.77 15:02:01 0 0.07 0.00 0.03 0.00 0.00 99.90 15:02:01 1 0.07 0.00 0.07 0.00 0.00 99.86 15:02:01 2 0.55 0.00 0.03 0.00 0.00 99.41 15:02:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:03:01 all 0.15 0.00 0.03 0.00 0.00 99.81 15:03:01 0 0.50 0.00 0.02 0.00 0.00 99.48 15:03:01 1 0.07 0.00 0.05 0.00 0.02 99.87 15:03:01 2 0.03 0.00 0.02 0.00 0.00 99.95 15:03:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:04:01 all 0.16 0.00 0.03 0.00 0.00 99.81 15:04:01 0 0.53 0.00 0.05 0.00 0.00 99.42 15:04:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:04:01 2 0.03 0.00 0.03 0.00 0.00 99.93 15:04:01 3 0.02 0.00 0.03 0.00 0.00 99.95 15:05:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:05:01 0 0.52 0.00 0.02 0.00 0.00 99.47 15:05:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:05:01 2 0.05 0.00 0.03 0.00 0.00 99.92 15:05:01 3 0.03 0.00 0.02 0.00 0.00 99.95 15:06:01 all 0.17 0.00 0.06 0.00 0.00 99.77 15:06:01 0 0.52 0.00 0.02 0.00 0.00 99.47 15:06:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:06:01 2 0.05 0.00 0.13 0.00 0.00 99.82 15:06:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:07:01 all 0.15 0.00 0.02 0.00 0.00 99.83 15:07:01 0 0.52 0.00 0.02 0.00 0.00 99.47 15:07:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:07:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:07:01 3 0.03 0.00 0.05 0.00 0.02 99.90 15:08:01 all 6.14 0.00 3.36 1.14 0.02 89.35 15:08:01 0 7.08 0.00 3.05 2.31 0.03 87.52 15:08:01 1 6.03 0.00 3.64 1.44 0.02 88.87 15:08:01 2 6.17 0.00 3.41 0.29 0.02 90.12 15:08:01 3 5.28 0.00 3.34 0.49 0.00 90.89 15:09:01 all 11.53 0.00 7.81 4.29 0.03 76.33 15:09:01 0 10.37 0.00 7.53 5.40 0.03 76.66 15:09:01 1 12.43 0.00 8.55 3.29 0.03 75.69 15:09:01 2 13.07 0.00 8.61 5.53 0.03 72.76 15:09:01 3 10.23 0.00 6.56 2.95 0.02 80.25 Average: all 2.32 0.00 1.42 0.68 0.01 95.58 Average: 0 2.51 0.00 1.34 0.96 0.01 95.19 Average: 1 2.33 0.00 1.55 0.59 0.01 95.52 Average: 2 2.49 0.00 1.53 0.72 0.01 95.25 Average: 3 1.95 0.00 1.25 0.43 0.00 96.36