---> uname -a: Linux 606bb681b2a0 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 678 119 0 1039 1053 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) 07/27/20 _x86_64_ (4 CPU) 06:02:33 LINUX RESTART 06:03:01 tps rtps wtps bread/s bwrtn/s 06:04:01 80.34 30.36 49.98 7230.23 5209.50 06:05:01 2.35 0.00 2.35 0.00 49.79 06:06:01 0.48 0.00 0.48 0.00 8.14 06:07:01 0.30 0.00 0.30 0.00 4.81 06:08:01 0.23 0.00 0.23 0.00 3.83 06:09:01 57.75 45.00 12.75 4721.43 7281.60 Average: 23.58 12.56 11.02 1992.64 2093.61 06:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:04:01 151916 1729640 91.93 2620 1126380 1119256 38.20 474852 1094776 120 06:05:01 155080 1726476 91.76 2620 1126228 1100932 37.57 474036 1093048 16 06:06:01 156532 1725024 91.68 2620 1126236 1083648 36.98 474160 1092248 8 06:07:01 154544 1727012 91.79 2620 1126236 1083708 36.99 476572 1091764 12 06:08:01 156104 1725452 91.70 2620 1126244 1083456 36.98 484320 1082672 16 06:09:01 70568 1810988 96.25 2620 1115204 1500744 51.22 539896 1093580 91244 Average: 140791 1740765 92.52 2620 1124421 1161957 39.66 487306 1091348 15236 06:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:04:01 eth0 432.37 233.49 1074.90 107.48 0.00 0.00 0.00 06:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 docker0 7.56 5.81 0.92 17.35 0.00 0.00 0.00 06:05:01 eth0 1.25 0.40 0.41 0.22 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 eth0 0.95 0.45 0.32 0.18 0.00 0.00 0.00 06:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 eth0 0.43 0.37 0.27 0.23 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 06:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 eth0 81.31 56.92 2326.86 8.77 0.00 0.00 0.00 06:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.10 48.64 567.30 19.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.26 0.97 0.15 2.89 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) 07/27/20 _x86_64_ (4 CPU) 06:02:33 LINUX RESTART 06:03:01 CPU %user %nice %system %iowait %steal %idle 06:04:01 all 14.60 0.00 4.91 2.71 0.10 77.68 06:04:01 0 13.33 0.00 6.14 5.65 0.08 74.79 06:04:01 1 14.25 0.00 4.57 0.84 0.07 80.26 06:04:01 2 15.83 0.00 4.48 2.73 0.13 76.83 06:04:01 3 14.99 0.00 4.45 1.64 0.08 78.84 06:05:01 all 0.16 0.00 0.04 0.00 0.00 99.80 06:05:01 0 0.02 0.00 0.05 0.00 0.02 99.92 06:05:01 1 0.05 0.00 0.03 0.00 0.00 99.92 06:05:01 2 0.50 0.00 0.03 0.00 0.00 99.47 06:05:01 3 0.07 0.00 0.05 0.00 0.02 99.87 06:06:01 all 0.15 0.00 0.04 0.00 0.01 99.80 06:06:01 0 0.05 0.00 0.03 0.00 0.00 99.92 06:06:01 1 0.03 0.00 0.05 0.00 0.00 99.92 06:06:01 2 0.48 0.00 0.03 0.00 0.02 99.47 06:06:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:07:01 all 0.17 0.00 0.04 0.00 0.00 99.80 06:07:01 0 0.02 0.00 0.03 0.00 0.00 99.95 06:07:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:07:01 2 0.50 0.00 0.03 0.00 0.00 99.47 06:07:01 3 0.10 0.00 0.05 0.00 0.00 99.85 06:08:01 all 0.15 0.00 0.05 0.00 0.00 99.79 06:08:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:08:01 1 0.07 0.00 0.12 0.00 0.02 99.80 06:08:01 2 0.48 0.00 0.03 0.00 0.02 99.47 06:08:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:09:01 all 3.13 0.00 1.75 0.92 0.08 94.12 06:09:01 0 2.41 0.00 1.59 0.00 0.07 95.93 06:09:01 1 2.58 0.00 1.67 0.72 0.07 94.96 06:09:01 2 2.99 0.00 1.64 0.55 0.08 94.73 06:09:01 3 4.54 0.00 2.10 2.40 0.08 90.88 Average: all 3.04 0.00 1.13 0.60 0.03 95.20 Average: 0 2.62 0.00 1.30 0.93 0.03 95.11 Average: 1 2.81 0.00 1.07 0.26 0.03 95.84 Average: 2 3.44 0.00 1.04 0.54 0.04 94.94 Average: 3 3.27 0.00 1.11 0.67 0.03 94.92