---> uname -a: Linux 7a32d105fe3b 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: 2933.442 BogoMIPS: 5866.88 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-169 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-169@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 672 136 0 1028 1058 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) 09/11/20 _x86_64_ (4 CPU) 19:18:27 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 76.76 31.38 45.38 0.00 7313.47 4910.17 0.00 19:21:01 1.63 0.00 1.63 0.00 0.00 31.52 0.00 19:22:01 0.27 0.00 0.27 0.00 0.00 3.76 0.00 19:23:01 0.30 0.00 0.30 0.00 0.00 2.90 0.00 19:24:01 0.18 0.00 0.18 0.00 0.00 2.25 0.00 19:25:01 0.37 0.00 0.37 0.00 0.00 5.28 0.00 19:26:01 0.30 0.02 0.28 0.00 0.13 3.12 0.00 19:27:01 0.27 0.00 0.27 0.00 0.00 3.38 0.00 19:28:01 0.28 0.00 0.28 0.00 0.00 2.87 0.00 19:29:01 0.20 0.00 0.20 0.00 0.00 2.03 0.00 19:30:01 0.50 0.00 0.50 0.00 0.00 7.56 0.00 19:31:01 0.23 0.00 0.23 0.00 0.00 2.73 0.00 19:32:01 0.28 0.00 0.28 0.00 0.00 3.23 0.00 Average: 6.28 2.42 3.86 0.00 562.87 383.33 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 163716 0 593980 31.57 2620 1121240 1117716 38.15 455184 1102428 120 19:21:01 167968 0 589696 31.34 2620 1121272 1088500 37.15 453496 1100892 16 19:22:01 166376 0 591284 31.43 2620 1121276 1088524 37.15 455632 1100876 16 19:23:01 164592 0 593064 31.52 2620 1121280 1088588 37.15 457716 1100416 20 19:24:01 165200 0 592452 31.49 2620 1121284 1084488 37.01 465976 1091760 20 19:25:01 165220 0 592424 31.49 2620 1121292 1084576 37.01 466232 1091760 16 19:26:01 165260 0 592376 31.48 2620 1121300 1083548 36.98 466364 1091616 20 19:27:01 166772 0 590856 31.40 2620 1121308 1073196 36.63 455672 1100972 12 19:28:01 166052 0 591572 31.44 2620 1121312 1073328 36.63 456268 1100972 16 19:29:01 166732 0 590884 31.40 2620 1121320 1073196 36.63 454920 1101640 20 19:30:01 166044 0 591572 31.44 2620 1121320 1073316 36.63 456056 1101148 16 19:31:01 167020 0 590592 31.39 2620 1121324 1073196 36.63 455532 1101148 8 19:32:01 166788 0 590816 31.40 2620 1121332 1073196 36.63 455560 1101148 8 Average: 165980 0 591659 31.45 2620 1121297 1082721 36.95 458047 1098983 24 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 eth0 492.29 291.03 1051.07 93.09 0.00 0.00 0.00 0.00 19:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 docker0 2.03 1.75 0.34 3.61 0.00 0.00 0.00 0.00 19:21:01 eth0 1.55 0.57 0.59 0.37 0.00 0.00 0.00 0.00 19:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 eth0 1.45 0.38 0.38 0.24 0.00 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 eth0 1.72 0.58 0.64 0.40 0.00 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 eth0 1.17 0.28 0.33 0.17 0.00 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 eth0 2.07 0.78 0.75 0.50 0.00 0.00 0.00 0.00 19:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 eth0 1.68 0.53 0.61 0.36 0.00 0.00 0.00 0.00 19:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 eth0 0.85 0.08 0.07 0.04 0.00 0.00 0.00 0.00 19:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 eth0 0.98 0.35 0.31 0.20 0.00 0.00 0.00 0.00 19:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 eth0 0.32 0.08 0.03 0.01 0.00 0.00 0.00 0.00 19:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 eth0 0.68 0.52 0.41 0.27 0.00 0.00 0.00 0.00 19:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 19:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 38.86 22.73 81.21 7.36 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 0.16 0.13 0.03 0.28 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) 09/11/20 _x86_64_ (4 CPU) 19:18:27 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 12.33 0.00 4.14 2.04 0.04 81.45 19:20:01 0 12.59 0.00 5.15 2.30 0.03 79.93 19:20:01 1 13.34 0.00 3.57 2.78 0.05 80.26 19:20:01 2 11.51 0.00 4.43 1.46 0.03 82.56 19:20:01 3 11.87 0.00 3.41 1.61 0.05 83.06 19:21:01 all 0.15 0.00 0.03 0.00 0.00 99.81 19:21:01 0 0.03 0.00 0.03 0.00 0.02 99.92 19:21:01 1 0.07 0.00 0.03 0.00 0.00 99.90 19:21:01 2 0.47 0.00 0.05 0.00 0.00 99.48 19:21:01 3 0.05 0.00 0.02 0.00 0.00 99.93 19:22:01 all 0.16 0.00 0.02 0.00 0.00 99.81 19:22:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:22:01 1 0.02 0.00 0.02 0.00 0.02 99.95 19:22:01 2 0.53 0.00 0.02 0.00 0.00 99.45 19:22:01 3 0.05 0.00 0.03 0.00 0.00 99.92 19:23:01 all 0.16 0.00 0.02 0.00 0.00 99.82 19:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:23:01 1 0.02 0.00 0.02 0.00 0.00 99.97 19:23:01 2 0.57 0.00 0.03 0.00 0.00 99.40 19:23:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:24:01 all 0.07 0.00 0.05 0.00 0.01 99.87 19:24:01 0 0.07 0.00 0.03 0.00 0.00 99.90 19:24:01 1 0.05 0.00 0.02 0.00 0.00 99.93 19:24:01 2 0.13 0.00 0.12 0.00 0.02 99.73 19:24:01 3 0.03 0.00 0.02 0.00 0.02 99.93 19:25:01 all 0.15 0.00 0.04 0.00 0.00 99.82 19:25:01 0 0.00 0.00 0.02 0.00 0.00 99.98 19:25:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:25:01 2 0.32 0.00 0.08 0.00 0.00 99.60 19:25:01 3 0.23 0.00 0.02 0.00 0.00 99.75 19:26:01 all 0.17 0.00 0.02 0.00 0.00 99.81 19:26:01 0 0.05 0.00 0.03 0.00 0.02 99.90 19:26:01 1 0.15 0.00 0.02 0.00 0.00 99.83 19:26:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:26:01 3 0.43 0.00 0.02 0.00 0.00 99.55 19:27:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:27:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:27:01 1 0.52 0.00 0.03 0.00 0.00 99.45 19:27:01 2 0.02 0.00 0.02 0.00 0.00 99.97 19:27:01 3 0.03 0.00 0.05 0.00 0.00 99.92 19:28:01 all 0.16 0.00 0.02 0.00 0.00 99.82 19:28:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:28:01 1 0.50 0.00 0.00 0.00 0.00 99.50 19:28:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:28:01 3 0.08 0.00 0.03 0.00 0.00 99.88 19:29:01 all 0.14 0.00 0.02 0.00 0.00 99.84 19:29:01 0 0.00 0.00 0.02 0.00 0.00 99.98 19:29:01 1 0.52 0.00 0.03 0.00 0.00 99.45 19:29:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:29:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:30:01 all 0.15 0.00 0.02 0.00 0.00 99.82 19:30:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:30:01 1 0.53 0.00 0.02 0.00 0.00 99.45 19:30:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:30:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:30:01 CPU %user %nice %system %iowait %steal %idle 19:31:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:31:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:31:01 1 0.52 0.00 0.02 0.00 0.00 99.47 19:31:01 2 0.03 0.00 0.07 0.00 0.00 99.90 19:31:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:32:01 all 0.09 0.00 0.02 0.00 0.00 99.90 19:32:01 0 0.02 0.00 0.00 0.00 0.00 99.98 19:32:01 1 0.27 0.00 0.05 0.00 0.00 99.68 19:32:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:32:01 3 0.03 0.00 0.00 0.00 0.00 99.97 Average: all 1.07 0.00 0.34 0.16 0.00 98.42 Average: 0 0.99 0.00 0.42 0.18 0.01 98.41 Average: 1 1.27 0.00 0.29 0.21 0.01 98.22 Average: 2 1.05 0.00 0.37 0.11 0.00 98.46 Average: 3 0.99 0.00 0.28 0.12 0.01 98.60