---> uname -a: Linux 37c369646e7b 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-549@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-549 ---> free -m: total used free shared buff/cache available Mem: 1837 636 125 0 1075 1095 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) 07/23/20 _x86_64_ (4 CPU) 03:36:37 LINUX RESTART 03:37:02 tps rtps wtps bread/s bwrtn/s 03:38:01 110.11 41.90 68.21 7656.68 20321.60 03:39:01 1.95 0.00 1.95 0.00 43.29 03:40:01 0.35 0.00 0.35 0.00 4.91 03:41:01 0.32 0.00 0.32 0.00 3.51 03:42:01 0.20 0.00 0.20 0.00 2.70 03:43:01 0.38 0.00 0.38 0.00 5.10 Average: 18.64 6.89 11.75 1258.82 3350.97 03:37:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:38:01 186960 1694596 90.06 2620 1143516 1114032 38.02 413220 1121176 120 03:39:01 192076 1689480 89.79 2620 1143532 1078676 36.81 411988 1118168 16 03:40:01 191896 1689660 89.80 2620 1143540 1078856 36.82 412988 1118160 16 03:41:01 191812 1689744 89.81 2620 1143540 1078844 36.82 413036 1118156 20 03:42:01 191464 1690092 89.82 2620 1143548 1078676 36.81 419036 1112332 20 03:43:01 188412 1693144 89.99 2620 1143552 1078748 36.82 423008 1111756 8 Average: 190437 1691119 89.88 2620 1143538 1084639 37.02 415546 1116625 33 03:37:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:38:01 eth0 453.19 287.78 1093.18 113.59 0.00 0.00 0.00 03:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 docker0 10.85 8.13 1.16 17.81 0.00 0.00 0.00 03:39:01 eth0 0.73 0.10 0.06 0.02 0.00 0.00 0.00 03:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 eth0 2.38 0.83 1.79 0.20 0.00 0.00 0.00 03:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 eth0 0.62 0.35 0.29 0.23 0.00 0.00 0.00 03:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 03:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 75.19 47.57 180.11 18.77 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.78 1.34 0.19 2.93 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) 07/23/20 _x86_64_ (4 CPU) 03:36:37 LINUX RESTART 03:37:02 CPU %user %nice %system %iowait %steal %idle 03:38:01 all 13.75 0.00 5.92 5.94 0.02 74.36 03:38:01 0 13.44 0.00 6.51 8.69 0.00 71.36 03:38:01 1 14.66 0.00 5.66 5.95 0.02 73.71 03:38:01 2 13.70 0.00 6.61 4.72 0.03 74.93 03:38:01 3 13.22 0.00 4.93 4.38 0.02 77.45 03:39:01 all 0.13 0.00 0.03 0.00 0.00 99.84 03:39:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:39:01 1 0.02 0.00 0.03 0.00 0.00 99.95 03:39:01 2 0.40 0.00 0.03 0.00 0.00 99.57 03:39:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:40:01 all 0.17 0.00 0.04 0.00 0.00 99.80 03:40:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:40:01 1 0.05 0.00 0.05 0.00 0.00 99.90 03:40:01 2 0.53 0.00 0.03 0.00 0.00 99.43 03:40:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:41:01 all 0.13 0.00 0.03 0.00 0.00 99.84 03:41:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:41:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:41:01 2 0.42 0.00 0.03 0.00 0.02 99.53 03:41:01 3 0.03 0.00 0.05 0.00 0.00 99.92 03:42:01 all 0.15 0.00 0.02 0.00 0.00 99.82 03:42:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:42:01 1 0.02 0.00 0.02 0.00 0.00 99.97 03:42:01 2 0.52 0.00 0.02 0.00 0.00 99.47 03:42:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:43:01 all 0.15 0.00 0.05 0.00 0.00 99.80 03:43:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:43:01 1 0.02 0.00 0.13 0.00 0.00 99.85 03:43:01 2 0.52 0.00 0.03 0.00 0.00 99.45 03:43:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 2.37 0.00 1.00 0.97 0.00 95.66 Average: 0 2.22 0.00 1.09 1.42 0.00 95.27 Average: 1 2.42 0.00 0.97 0.97 0.00 95.64 Average: 2 2.64 0.00 1.10 0.77 0.01 95.48 Average: 3 2.18 0.00 0.83 0.71 0.00 96.27