---> uname -a: Linux 7b2a18c4c694 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: 2933.396 BogoMIPS: 5866.79 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-563 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-563@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 651 116 0 1069 1080 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) 08/11/20 _x86_64_ (4 CPU) 10:03:32 LINUX RESTART 10:04:02 tps rtps wtps bread/s bwrtn/s 10:05:01 131.65 45.41 86.24 7718.62 40786.70 10:06:01 3.61 0.00 3.61 0.00 112.52 10:07:01 0.45 0.00 0.45 0.00 6.73 10:08:01 0.35 0.00 0.35 0.00 5.73 10:09:01 0.28 0.00 0.28 0.00 4.73 10:10:01 0.50 0.00 0.50 0.00 5.46 10:11:01 0.73 0.17 0.57 11.73 11.33 10:12:01 0.48 0.00 0.48 0.00 8.05 10:13:01 137.37 82.25 55.12 6737.74 19843.72 Average: 30.43 14.15 16.28 1596.97 6694.05 10:04:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:05:01 166716 1714840 91.14 2620 1141956 1109284 37.86 432544 1123136 120 10:06:01 170884 1710672 90.92 2620 1141888 1082176 36.93 431016 1121060 12 10:07:01 170400 1711156 90.94 2620 1141896 1082380 36.94 432116 1121048 20 10:08:01 168656 1712900 91.04 2620 1141896 1082440 36.94 434284 1120452 16 10:09:01 170080 1711476 90.96 2620 1141900 1082176 36.93 433776 1119432 12 10:10:01 167048 1714508 91.12 2620 1141908 1082248 36.94 436756 1119428 8 10:11:01 162564 1718992 91.36 2620 1142388 1094496 37.35 440508 1119824 8 10:12:01 162744 1718812 91.35 2620 1142396 1094524 37.35 436008 1124296 20 10:13:01 96264 1785292 94.88 2620 1134652 1279480 43.67 467340 1117884 76 Average: 159484 1722072 91.52 2620 1141209 1109912 37.88 438261 1120729 32 10:04:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:05:01 eth0 477.49 294.87 1095.50 110.62 0.00 0.00 0.00 10:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:05:01 docker0 10.32 7.80 1.23 18.00 0.00 0.00 0.00 10:06:01 eth0 0.63 0.12 0.04 0.04 0.00 0.00 0.00 10:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:07:01 eth0 1.78 0.72 1.63 0.23 0.00 0.00 0.00 10:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:08:01 eth0 0.92 0.48 0.35 0.21 0.00 0.00 0.00 10:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:09:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 10:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 eth0 0.33 0.25 0.14 0.08 0.00 0.00 0.00 10:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 eth0 7.25 4.08 6.37 2.89 0.00 0.00 0.00 10:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 eth0 1.48 0.87 1.15 0.61 0.00 0.00 0.00 10:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 eth0 91.66 64.14 2330.29 10.93 0.00 0.00 0.00 10:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 63.89 40.17 380.56 13.78 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.13 0.85 0.14 1.97 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) 08/11/20 _x86_64_ (4 CPU) 10:03:32 LINUX RESTART 10:04:02 CPU %user %nice %system %iowait %steal %idle 10:05:01 all 13.81 0.00 6.52 7.81 0.03 71.83 10:05:01 0 13.69 0.00 6.38 6.07 0.03 73.82 10:05:01 1 14.13 0.00 6.60 8.30 0.05 70.92 10:05:01 2 13.93 0.00 6.26 6.74 0.05 73.02 10:05:01 3 13.49 0.00 6.85 10.15 0.02 69.49 10:06:01 all 0.06 0.00 0.04 0.00 0.00 99.90 10:06:01 0 0.00 0.00 0.02 0.00 0.00 99.98 10:06:01 1 0.07 0.00 0.05 0.00 0.00 99.88 10:06:01 2 0.05 0.00 0.03 0.00 0.00 99.92 10:06:01 3 0.13 0.00 0.03 0.00 0.00 99.83 10:07:01 all 0.17 0.00 0.03 0.00 0.00 99.80 10:07:01 0 0.03 0.00 0.03 0.00 0.00 99.93 10:07:01 1 0.07 0.00 0.02 0.00 0.00 99.92 10:07:01 2 0.05 0.00 0.07 0.00 0.00 99.88 10:07:01 3 0.53 0.00 0.02 0.00 0.00 99.45 10:08:01 all 0.14 0.00 0.02 0.00 0.00 99.83 10:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 10:08:01 1 0.03 0.00 0.02 0.00 0.00 99.95 10:08:01 2 0.03 0.00 0.03 0.00 0.00 99.93 10:08:01 3 0.48 0.00 0.03 0.00 0.00 99.48 10:09:01 all 0.16 0.00 0.04 0.00 0.00 99.80 10:09:01 0 0.02 0.00 0.02 0.00 0.00 99.97 10:09:01 1 0.07 0.00 0.03 0.00 0.00 99.90 10:09:01 2 0.05 0.00 0.03 0.00 0.00 99.92 10:09:01 3 0.50 0.00 0.07 0.00 0.00 99.43 10:10:01 all 0.10 0.00 0.06 0.00 0.00 99.83 10:10:01 0 0.02 0.00 0.00 0.00 0.00 99.98 10:10:01 1 0.07 0.00 0.03 0.00 0.00 99.90 10:10:01 2 0.02 0.00 0.02 0.00 0.00 99.97 10:10:01 3 0.33 0.00 0.18 0.00 0.00 99.48 10:11:01 all 0.14 0.00 0.07 0.00 0.00 99.78 10:11:01 0 0.13 0.00 0.07 0.00 0.00 99.80 10:11:01 1 0.15 0.00 0.08 0.02 0.00 99.75 10:11:01 2 0.12 0.00 0.03 0.00 0.00 99.85 10:11:01 3 0.13 0.00 0.08 0.00 0.00 99.78 10:12:01 all 0.07 0.00 0.04 0.00 0.00 99.90 10:12:01 0 0.03 0.00 0.05 0.00 0.00 99.92 10:12:01 1 0.17 0.00 0.05 0.00 0.00 99.78 10:12:01 2 0.02 0.00 0.03 0.00 0.00 99.95 10:12:01 3 0.05 0.00 0.05 0.00 0.00 99.90 10:13:01 all 5.05 0.00 2.57 2.07 0.02 90.30 10:13:01 0 5.17 0.00 2.66 2.14 0.02 90.00 10:13:01 1 4.53 0.00 2.23 1.59 0.03 91.62 10:13:01 2 4.47 0.00 2.93 1.56 0.02 91.02 10:13:01 3 6.01 0.00 2.40 2.97 0.03 88.58 Average: all 2.16 0.00 1.03 1.08 0.01 95.73 Average: 0 2.09 0.00 1.01 0.90 0.01 96.00 Average: 1 2.11 0.00 1.00 1.08 0.01 95.80 Average: 2 2.05 0.00 1.03 0.91 0.01 96.01 Average: 3 2.37 0.00 1.06 1.43 0.01 95.13