---> uname -a: Linux 0c388f1d20bd 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-553@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-553 ---> free -m: total used free shared buff/cache available Mem: 1837 682 131 0 1024 1049 Swap: 1023 1 1022 ---> 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) 08/17/20 _x86_64_ (4 CPU) 10:40:53 LINUX RESTART 10:42:03 tps rtps wtps bread/s bwrtn/s 10:43:01 22.01 4.41 17.61 1245.85 2163.84 10:44:01 0.32 0.00 0.32 0.00 4.81 10:45:01 0.32 0.00 0.32 0.00 4.23 10:46:01 0.18 0.00 0.18 0.00 2.28 10:47:01 0.35 0.00 0.35 0.00 4.68 10:48:01 155.06 94.72 60.34 7482.82 19999.87 Average: 29.75 16.59 13.16 1456.01 3705.29 10:42:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:43:01 138304 1743252 92.65 2620 1129916 1147360 39.16 468128 1114880 24 10:44:01 150424 1731132 92.01 2620 1129920 1066528 36.40 461540 1111324 12 10:45:01 148556 1733000 92.10 2620 1129924 1066916 36.41 463352 1111324 8 10:46:01 148116 1733440 92.13 2620 1129928 1066760 36.41 466352 1108732 8 10:47:01 148812 1732744 92.09 2620 1129932 1066664 36.40 465804 1108732 8 10:48:01 65368 1816188 96.53 2620 1062680 1910784 65.21 545048 1072024 16 Average: 133263 1748293 92.92 2620 1118717 1220835 41.66 478371 1104503 13 10:42:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:43:01 eth0 37.78 33.36 81.67 50.61 0.00 0.00 0.00 10:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:43:01 docker0 5.90 4.44 0.87 18.15 0.00 0.00 0.00 10:44:01 eth0 0.67 0.08 0.06 0.01 0.00 0.00 0.00 10:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:45:01 eth0 1.80 1.05 3.08 0.25 0.00 0.00 0.00 10:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:46:01 eth0 0.42 0.28 0.26 0.19 0.00 0.00 0.00 10:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:47:01 eth0 0.30 0.28 0.15 0.08 0.00 0.00 0.00 10:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 eth0 79.26 52.15 2333.88 11.52 0.00 0.00 0.00 10:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 vethe675075 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 docker0 5.71 4.29 0.84 17.55 0.00 0.00 0.00 Average: eth0 19.94 14.43 404.98 10.22 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe675075 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.96 0.72 0.14 2.94 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) 08/17/20 _x86_64_ (4 CPU) 10:40:53 LINUX RESTART 10:42:03 CPU %user %nice %system %iowait %steal %idle 10:43:01 all 1.90 0.00 1.36 0.56 2.80 93.38 10:43:01 0 1.99 0.00 1.32 1.12 2.97 92.59 10:43:01 1 1.75 0.00 1.22 0.19 2.76 94.08 10:43:01 2 2.06 0.00 1.63 0.57 2.56 93.18 10:43:01 3 1.79 0.00 1.32 0.33 2.91 93.65 10:44:01 all 0.08 0.00 0.06 0.00 0.26 99.60 10:44:01 0 0.20 0.00 0.05 0.00 0.30 99.45 10:44:01 1 0.03 0.00 0.05 0.00 0.43 99.49 10:44:01 2 0.03 0.00 0.05 0.00 0.10 99.82 10:44:01 3 0.05 0.00 0.08 0.00 0.23 99.63 10:45:01 all 0.15 0.00 0.03 0.00 0.22 99.60 10:45:01 0 0.13 0.00 0.03 0.00 0.15 99.68 10:45:01 1 0.07 0.00 0.03 0.00 0.32 99.58 10:45:01 2 0.07 0.00 0.03 0.00 0.17 99.73 10:45:01 3 0.33 0.00 0.02 0.00 0.25 99.40 10:46:01 all 0.13 0.00 0.04 0.00 0.20 99.63 10:46:01 0 0.02 0.00 0.02 0.00 0.13 99.83 10:46:01 1 0.07 0.00 0.07 0.00 0.42 99.45 10:46:01 2 0.02 0.00 0.03 0.00 0.07 99.88 10:46:01 3 0.43 0.00 0.02 0.00 0.18 99.37 10:47:01 all 0.13 0.00 0.03 0.00 0.20 99.63 10:47:01 0 0.03 0.00 0.03 0.00 0.13 99.80 10:47:01 1 0.05 0.00 0.05 0.00 0.50 99.40 10:47:01 2 0.05 0.00 0.02 0.00 0.12 99.82 10:47:01 3 0.40 0.00 0.03 0.00 0.07 99.50 10:48:01 all 4.47 0.00 2.76 1.48 4.91 86.38 10:48:01 0 3.94 0.00 2.65 0.56 5.27 87.58 10:48:01 1 4.41 0.00 3.31 1.24 4.75 86.30 10:48:01 2 4.35 0.00 2.50 1.34 4.72 87.08 10:48:01 3 5.16 0.00 2.57 2.81 4.92 84.53 Average: all 1.13 0.00 0.70 0.33 1.42 96.41 Average: 0 1.04 0.00 0.68 0.27 1.48 96.53 Average: 1 1.05 0.00 0.78 0.23 1.51 96.43 Average: 2 1.09 0.00 0.70 0.32 1.28 96.62 Average: 3 1.35 0.00 0.67 0.52 1.41 96.06