---> uname -a: Linux 21b555b305af 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 6.9G 43.0G 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-166 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-166@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 649 139 0 1048 1080 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) 09/08/20 _x86_64_ (4 CPU) 21:50:40 LINUX RESTART (4 CPU) 21:52:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:53:01 27.36 10.38 16.97 0.00 4385.02 2129.79 0.00 21:54:01 2.01 0.00 2.01 0.00 0.00 34.16 0.00 21:55:01 0.27 0.00 0.27 0.00 0.00 3.35 0.00 21:56:01 0.23 0.00 0.23 0.00 0.00 3.84 0.00 21:57:02 0.30 0.00 0.30 0.00 0.00 4.08 0.00 21:58:01 0.29 0.02 0.27 0.00 0.14 2.51 0.00 21:59:01 0.28 0.00 0.28 0.00 0.00 3.48 0.00 22:00:01 0.28 0.00 0.28 0.00 0.00 3.81 0.00 22:01:01 0.30 0.02 0.28 0.00 0.13 3.61 0.00 22:02:01 0.48 0.12 0.37 0.00 2.13 6.22 0.00 22:03:01 0.38 0.00 0.38 0.00 0.00 3.76 0.00 22:04:01 82.04 47.44 34.59 0.00 5409.02 5982.85 0.00 Average: 9.53 4.84 4.69 0.00 817.52 682.71 0.00 21:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:53:01 181360 0 568860 30.23 2620 1128716 1125632 38.42 423448 1117772 16 21:54:01 191584 0 558628 29.69 2620 1128724 1055068 36.01 419592 1112104 8 21:55:01 189572 0 560636 29.80 2620 1128728 1055248 36.01 422428 1111500 24 21:56:01 190856 0 559352 29.73 2620 1128728 1055068 36.01 425684 1107416 12 21:57:02 187956 0 562240 29.88 2620 1128740 1055216 36.01 434440 1101252 8 21:58:01 187340 0 562848 29.91 2620 1128748 1055372 36.02 435316 1101252 12 21:59:01 188468 0 561716 29.85 2620 1128752 1055132 36.01 423988 1111172 12 22:00:01 187312 0 562812 29.91 2620 1128812 1055348 36.02 425292 1111188 28 22:01:01 187332 0 562840 29.91 2620 1128764 1057900 36.10 424964 1111172 16 22:02:01 187804 0 562228 29.88 2620 1128904 1055712 36.03 422632 1113448 8 22:03:01 188328 0 561700 29.85 2620 1128908 1055640 36.03 422132 1113448 8 22:04:01 100032 0 649164 34.50 2620 1129740 1269700 43.33 452904 1124868 112 Average: 180662 0 569419 30.26 2620 1128855 1079253 36.83 427735 1111383 22 21:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:53:01 eth0 61.86 51.62 337.00 36.97 0.00 0.00 0.00 0.00 21:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:53:01 docker0 1.51 1.45 0.31 3.52 0.00 0.00 0.00 0.00 21:54:01 eth0 1.07 0.08 0.09 0.01 0.00 0.00 0.00 0.00 21:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:01 eth0 0.77 0.33 0.30 0.17 0.00 0.00 0.00 0.00 21:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:56:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 0.00 21:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:02 eth0 0.55 0.20 0.17 0.07 0.00 0.00 0.00 0.00 21:57:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:58:01 eth0 0.56 0.36 0.29 0.20 0.00 0.00 0.00 0.00 21:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 eth0 0.72 0.08 0.06 0.01 0.00 0.00 0.00 0.00 21:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 eth0 0.45 0.32 0.27 0.20 0.00 0.00 0.00 0.00 22:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 eth0 0.28 0.20 0.14 0.07 0.00 0.00 0.00 0.00 22:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 eth0 0.07 0.05 0.01 0.00 0.00 0.00 0.00 0.00 22:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:01 eth0 86.15 66.19 742.72 11.11 0.00 0.00 0.00 0.00 22:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 12.74 9.98 90.21 4.08 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.12 0.03 0.29 0.00 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) 09/08/20 _x86_64_ (4 CPU) 21:50:40 LINUX RESTART (4 CPU) 21:52:01 CPU %user %nice %system %iowait %steal %idle 21:53:01 all 1.86 0.00 1.64 0.55 4.24 91.71 21:53:01 0 1.58 0.00 1.37 0.05 4.61 92.39 21:53:01 1 2.15 0.00 1.62 0.21 4.46 91.56 21:53:01 2 1.97 0.00 1.54 1.41 3.94 91.13 21:53:01 3 1.74 0.00 2.03 0.51 3.94 91.78 21:54:01 all 0.06 0.00 0.05 0.00 0.41 99.47 21:54:01 0 0.02 0.00 0.03 0.00 0.32 99.63 21:54:01 1 0.02 0.00 0.07 0.00 0.35 99.57 21:54:01 2 0.20 0.00 0.08 0.02 0.63 99.07 21:54:01 3 0.02 0.00 0.03 0.00 0.35 99.60 21:55:01 all 0.11 0.00 0.02 0.00 0.12 99.75 21:55:01 0 0.02 0.00 0.02 0.00 0.03 99.93 21:55:01 1 0.05 0.00 0.02 0.00 0.18 99.75 21:55:01 2 0.37 0.00 0.03 0.00 0.22 99.38 21:55:01 3 0.02 0.00 0.02 0.00 0.05 99.92 21:56:01 all 0.09 0.00 0.04 0.00 0.25 99.63 21:56:01 0 0.02 0.00 0.02 0.00 0.12 99.85 21:56:01 1 0.05 0.00 0.03 0.00 0.51 99.40 21:56:01 2 0.30 0.00 0.07 0.00 0.25 99.38 21:56:01 3 0.00 0.00 0.03 0.00 0.10 99.87 21:57:02 all 0.09 0.00 0.06 0.00 0.26 99.59 21:57:02 0 0.00 0.00 0.02 0.00 0.12 99.87 21:57:02 1 0.07 0.00 0.05 0.00 0.50 99.39 21:57:02 2 0.28 0.00 0.13 0.00 0.33 99.25 21:57:02 3 0.02 0.00 0.03 0.00 0.10 99.85 21:58:01 all 0.10 0.00 0.03 0.00 0.24 99.63 21:58:01 0 0.03 0.00 0.03 0.00 0.07 99.86 21:58:01 1 0.05 0.00 0.05 0.00 0.54 99.36 21:58:01 2 0.29 0.00 0.02 0.00 0.20 99.49 21:58:01 3 0.02 0.00 0.03 0.00 0.14 99.81 21:59:01 all 0.10 0.00 0.05 0.00 0.25 99.60 21:59:01 0 0.03 0.00 0.05 0.00 0.15 99.77 21:59:01 1 0.05 0.00 0.07 0.00 0.27 99.62 21:59:01 2 0.30 0.00 0.02 0.00 0.32 99.37 21:59:01 3 0.02 0.00 0.05 0.00 0.28 99.65 22:00:01 all 0.08 0.00 0.02 0.00 0.54 99.35 22:00:01 0 0.03 0.00 0.03 0.00 0.70 99.24 22:00:01 1 0.02 0.00 0.03 0.00 0.33 99.62 22:00:01 2 0.23 0.00 0.02 0.00 0.40 99.35 22:00:01 3 0.03 0.00 0.02 0.00 0.75 99.21 22:01:01 all 0.11 0.00 0.05 0.00 0.20 99.63 22:01:01 0 0.03 0.00 0.07 0.00 0.17 99.73 22:01:01 1 0.05 0.00 0.07 0.00 0.27 99.62 22:01:01 2 0.32 0.00 0.05 0.00 0.23 99.40 22:01:01 3 0.03 0.00 0.03 0.00 0.15 99.78 22:02:01 all 0.10 0.00 0.03 0.00 0.26 99.61 22:02:01 0 0.02 0.00 0.02 0.00 0.30 99.67 22:02:01 1 0.02 0.00 0.07 0.00 0.48 99.44 22:02:01 2 0.35 0.00 0.02 0.00 0.17 99.47 22:02:01 3 0.02 0.00 0.03 0.02 0.08 99.85 22:03:01 all 0.10 0.00 0.02 0.00 0.19 99.69 22:03:01 0 0.00 0.00 0.03 0.00 0.22 99.75 22:03:01 1 0.03 0.00 0.02 0.00 0.23 99.72 22:03:01 2 0.33 0.00 0.02 0.00 0.17 99.48 22:03:01 3 0.02 0.00 0.03 0.00 0.15 99.80 22:03:01 CPU %user %nice %system %iowait %steal %idle 22:04:01 all 2.64 0.00 1.76 1.25 3.44 90.92 22:04:01 0 1.96 0.00 1.72 0.12 3.36 92.85 22:04:01 1 4.10 0.00 2.42 2.22 3.46 87.81 22:04:01 2 2.21 0.00 1.40 1.07 3.35 91.97 22:04:01 3 2.30 0.00 1.50 1.60 3.58 91.02 Average: all 0.45 0.00 0.32 0.15 0.87 98.21 Average: 0 0.31 0.00 0.28 0.01 0.85 98.54 Average: 1 0.55 0.00 0.37 0.20 0.97 97.91 Average: 2 0.60 0.00 0.28 0.21 0.85 98.05 Average: 3 0.35 0.00 0.32 0.18 0.81 98.34