---> uname -a: Linux 02ec404b5d25 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 6.6G 43.4G 13% / 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 6.6G 43.4G 13% /etc/resolv.conf /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hostname /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hosts /dev/vda1 50.0G 6.6G 43.4G 13% /var/log/sa-host /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-170 /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-170@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 634 107 0 1095 1096 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) 09/08/20 _x86_64_ (4 CPU) 04:45:49 LINUX RESTART (4 CPU) 04:47:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:48:02 33.43 10.06 23.37 0.00 4398.04 2100.83 0.00 04:49:01 1.96 0.00 1.96 0.00 0.00 32.16 0.00 04:50:01 0.33 0.00 0.33 0.00 0.00 4.83 0.00 04:51:01 0.13 0.00 0.13 0.00 0.00 2.00 0.00 04:52:01 0.33 0.00 0.33 0.00 0.00 4.58 0.00 04:53:01 0.30 0.00 0.30 0.00 0.00 3.55 0.00 04:54:01 0.28 0.02 0.27 0.00 0.13 3.48 0.00 04:55:01 0.23 0.00 0.23 0.00 0.00 2.30 0.00 04:56:01 0.20 0.00 0.20 0.00 0.00 2.16 0.00 04:57:01 0.28 0.00 0.28 0.00 0.00 4.21 0.00 04:58:01 0.25 0.00 0.25 0.00 0.00 2.70 0.00 04:59:01 0.25 0.00 0.25 0.00 0.00 3.08 0.00 05:00:01 0.25 0.00 0.25 0.00 0.00 2.45 0.00 Average: 2.91 0.77 2.14 0.00 333.83 164.62 0.00 04:47:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:48:02 167344 0 542888 28.85 2620 1168704 1172564 40.02 421504 1129748 16 04:49:01 175568 0 534660 28.42 2620 1168708 1116416 38.10 414908 1128884 12 04:50:01 174648 0 535572 28.46 2620 1168716 1116504 38.10 416700 1128296 8 04:51:01 175396 0 534824 28.42 2620 1168716 1108304 37.82 418912 1125556 8 04:52:01 176124 0 534084 28.39 2620 1168728 1075436 36.70 419244 1125156 12 04:53:01 175596 0 534608 28.41 2620 1168732 1075460 36.70 444256 1100388 8 04:54:01 177296 0 532904 28.32 2620 1168736 1075184 36.69 433476 1109636 8 04:55:01 175868 0 534324 28.40 2620 1168744 1075448 36.70 434920 1109636 20 04:56:01 175632 0 534556 28.41 2620 1168748 1075484 36.70 435204 1109636 16 04:57:01 176608 0 533572 28.36 2620 1168756 1075316 36.70 431604 1112316 16 04:58:01 177832 0 532348 28.29 2620 1168756 1075184 36.69 430912 1112316 12 04:59:01 177916 0 532256 28.29 2620 1168764 1075184 36.69 430792 1112320 8 05:00:01 178080 0 532088 28.28 2620 1168768 1075184 36.69 430800 1112316 12 Average: 175685 0 534514 28.41 2620 1168737 1091667 37.26 427941 1116631 12 04:47:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:48:02 eth0 85.79 68.00 454.65 42.09 0.00 0.00 0.00 0.00 04:48:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:02 docker0 2.25 1.83 0.36 3.56 0.00 0.00 0.00 0.00 04:49:01 eth0 2.30 0.24 0.44 0.11 0.00 0.00 0.00 0.00 04:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 eth0 1.43 0.47 0.59 0.47 0.00 0.00 0.00 0.00 04:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 eth0 2.15 0.47 0.65 0.38 0.00 0.00 0.00 0.00 04:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 eth0 2.06 0.92 0.99 0.66 0.00 0.00 0.00 0.00 04:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 eth0 0.47 0.28 0.27 0.20 0.00 0.00 0.00 0.00 04:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 0.00 04:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 eth0 1.53 0.23 0.36 0.19 0.00 0.00 0.00 0.00 04:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 eth0 1.02 0.30 0.31 0.20 0.00 0.00 0.00 0.00 04:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 eth0 0.97 0.45 0.43 0.27 0.00 0.00 0.00 0.00 04:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:01 eth0 0.12 0.07 0.01 0.01 0.00 0.00 0.00 0.00 04:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 eth0 0.13 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 7.46 5.44 34.82 3.39 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 0.17 0.14 0.03 0.27 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) 04:45:49 LINUX RESTART (4 CPU) 04:47:02 CPU %user %nice %system %iowait %steal %idle 04:48:02 all 2.88 0.00 1.94 0.80 5.91 88.47 04:48:02 0 2.66 0.00 2.51 0.68 6.43 87.71 04:48:02 1 2.74 0.00 1.77 0.10 5.91 89.48 04:48:02 2 3.04 0.00 1.54 0.70 5.56 89.17 04:48:02 3 3.07 0.00 1.93 1.73 5.74 87.53 04:49:01 all 0.14 0.00 0.05 0.00 0.30 99.51 04:49:01 0 0.02 0.00 0.05 0.00 0.44 99.49 04:49:01 1 0.03 0.00 0.07 0.00 0.12 99.78 04:49:01 2 0.07 0.00 0.03 0.00 0.25 99.64 04:49:01 3 0.42 0.00 0.03 0.00 0.41 99.14 04:50:01 all 0.14 0.00 0.04 0.00 0.24 99.59 04:50:01 0 0.08 0.00 0.03 0.00 0.17 99.72 04:50:01 1 0.05 0.00 0.05 0.00 0.15 99.75 04:50:01 2 0.05 0.00 0.03 0.00 0.18 99.73 04:50:01 3 0.37 0.00 0.03 0.00 0.45 99.15 04:51:01 all 0.11 0.00 0.05 0.00 0.38 99.46 04:51:01 0 0.02 0.00 0.03 0.00 0.27 99.68 04:51:01 1 0.08 0.00 0.08 0.00 0.43 99.40 04:51:01 2 0.02 0.00 0.03 0.00 0.33 99.62 04:51:01 3 0.33 0.00 0.05 0.00 0.48 99.14 04:52:01 all 0.15 0.00 0.06 0.00 0.15 99.64 04:52:01 0 0.07 0.00 0.03 0.00 0.17 99.73 04:52:01 1 0.38 0.00 0.10 0.00 0.17 99.35 04:52:01 2 0.12 0.00 0.08 0.00 0.23 99.57 04:52:01 3 0.05 0.00 0.02 0.00 0.03 99.90 04:53:01 all 0.11 0.00 0.07 0.00 0.12 99.69 04:53:01 0 0.02 0.00 0.03 0.00 0.20 99.75 04:53:01 1 0.08 0.00 0.20 0.00 0.13 99.58 04:53:01 2 0.28 0.00 0.03 0.00 0.12 99.57 04:53:01 3 0.07 0.00 0.03 0.00 0.05 99.85 04:54:01 all 0.12 0.00 0.04 0.00 0.19 99.65 04:54:01 0 0.35 0.00 0.05 0.00 0.43 99.17 04:54:01 1 0.03 0.00 0.05 0.00 0.12 99.80 04:54:01 2 0.10 0.00 0.03 0.00 0.12 99.75 04:54:01 3 0.02 0.00 0.03 0.00 0.08 99.87 04:55:01 all 0.11 0.00 0.04 0.00 0.38 99.47 04:55:01 0 0.38 0.00 0.05 0.00 0.73 98.84 04:55:01 1 0.02 0.00 0.03 0.00 0.22 99.73 04:55:01 2 0.03 0.00 0.03 0.00 0.38 99.55 04:55:01 3 0.02 0.00 0.05 0.00 0.18 99.75 04:56:01 all 0.10 0.00 0.04 0.00 0.32 99.54 04:56:01 0 0.32 0.00 0.03 0.00 0.58 99.07 04:56:01 1 0.05 0.00 0.03 0.00 0.15 99.77 04:56:01 2 0.02 0.00 0.02 0.00 0.08 99.88 04:56:01 3 0.03 0.00 0.07 0.00 0.46 99.44 04:57:01 all 0.10 0.00 0.03 0.00 0.15 99.73 04:57:01 0 0.28 0.00 0.02 0.00 0.13 99.57 04:57:01 1 0.03 0.00 0.05 0.00 0.18 99.73 04:57:01 2 0.05 0.00 0.03 0.00 0.20 99.72 04:57:01 3 0.02 0.00 0.02 0.02 0.07 99.88 04:58:01 all 0.10 0.00 0.02 0.00 0.13 99.74 04:58:01 0 0.05 0.00 0.02 0.00 0.07 99.87 04:58:01 1 0.02 0.00 0.03 0.00 0.18 99.77 04:58:01 2 0.30 0.00 0.03 0.00 0.12 99.55 04:58:01 3 0.03 0.00 0.02 0.00 0.17 99.78 04:58:01 CPU %user %nice %system %iowait %steal %idle 04:59:01 all 0.07 0.00 0.03 0.00 0.21 99.69 04:59:01 0 0.02 0.00 0.02 0.00 0.10 99.87 04:59:01 1 0.03 0.00 0.05 0.00 0.13 99.78 04:59:01 2 0.18 0.00 0.02 0.00 0.33 99.47 04:59:01 3 0.05 0.00 0.05 0.00 0.27 99.63 05:00:01 all 0.06 0.00 0.03 0.00 0.39 99.51 05:00:01 0 0.05 0.00 0.03 0.00 0.68 99.24 05:00:01 1 0.03 0.00 0.02 0.00 0.32 99.63 05:00:01 2 0.15 0.00 0.05 0.00 0.27 99.53 05:00:01 3 0.02 0.00 0.02 0.00 0.32 99.65 Average: all 0.32 0.00 0.19 0.06 0.68 98.75 Average: 0 0.33 0.00 0.22 0.05 0.80 98.59 Average: 1 0.28 0.00 0.19 0.01 0.63 98.89 Average: 2 0.34 0.00 0.15 0.05 0.63 98.83 Average: 3 0.34 0.00 0.18 0.13 0.67 98.68