---> uname -a: Linux 95a152d6d298 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% /w/workspace/gexfoundry_device-mqtt-go_PR-170 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-170@tmp /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 648 133 0 1054 1082 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) 09/11/20 _x86_64_ (4 CPU) 19:17:17 LINUX RESTART (4 CPU) 19:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:02 45.26 12.45 32.81 0.00 4614.25 2190.15 0.00 19:20:01 1.61 0.00 1.61 0.00 0.00 29.75 0.00 19:21:01 0.28 0.00 0.28 0.00 0.00 3.55 0.00 19:22:01 0.25 0.00 0.25 0.00 0.00 2.43 0.00 19:23:01 0.15 0.00 0.15 0.00 0.00 2.21 0.00 19:24:01 0.33 0.00 0.33 0.00 0.00 4.98 0.00 19:25:01 0.27 0.02 0.25 0.00 0.13 2.96 0.00 19:26:01 0.25 0.00 0.25 0.00 0.00 3.08 0.00 19:27:01 0.23 0.00 0.23 0.00 0.00 2.98 0.00 19:28:01 0.23 0.00 0.23 0.00 0.00 2.33 0.00 19:29:01 0.28 0.00 0.28 0.00 0.00 3.22 0.00 19:30:01 0.20 0.00 0.20 0.00 0.00 2.83 0.00 19:31:01 0.28 0.00 0.28 0.00 0.00 3.36 0.00 Average: 3.82 0.96 2.86 0.00 355.61 173.65 0.00 19:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:02 203376 0 564796 30.02 2620 1110764 1118924 38.19 413068 1106488 20 19:20:01 204244 0 563924 29.97 2620 1110768 1118580 38.18 414032 1104828 8 19:21:01 207636 0 560524 29.79 2620 1110776 1091624 37.26 414556 1101472 12 19:22:01 206960 0 561200 29.83 2620 1110776 1091588 37.25 416296 1100736 20 19:23:01 206616 0 561536 29.84 2620 1110784 1091712 37.26 423748 1093652 20 19:24:01 203048 0 565100 30.03 2620 1110788 1088636 37.15 433084 1087384 16 19:25:01 203124 0 565016 30.03 2620 1110796 1088720 37.16 441404 1079532 8 19:26:01 202968 0 565164 30.04 2620 1110804 1088744 37.16 434072 1087048 12 19:27:01 204364 0 563764 29.96 2620 1110808 1080196 36.87 432660 1086908 20 19:28:01 203448 0 564672 30.01 2620 1110816 1080352 36.87 431788 1088924 16 19:29:01 204408 0 563712 29.96 2620 1110816 1080232 36.87 431108 1088924 12 19:30:01 202272 0 565840 30.07 2620 1110824 1080532 36.88 432596 1088928 8 19:31:01 204332 0 563776 29.96 2620 1110828 1080196 36.87 430816 1088924 8 Average: 204369 0 563771 29.96 2620 1110796 1090772 37.23 426864 1092596 14 19:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:02 eth0 168.18 124.92 473.46 48.93 0.00 0.00 0.00 0.00 19:19:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:19:02 docker0 1.68 1.30 0.33 3.58 0.00 0.00 0.00 0.00 19:20:01 eth0 1.15 0.54 0.57 0.36 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:01 eth0 1.73 0.72 0.69 0.40 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 1.42 0.37 0.35 0.23 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 1.95 0.80 0.75 0.47 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 1.20 0.38 0.33 0.21 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 1.90 0.62 0.62 0.40 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 0.78 0.64 0.35 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 0.87 0.10 0.07 0.07 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 1.10 0.37 0.38 0.23 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 0.45 0.15 0.09 0.04 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 0.52 0.42 0.27 0.21 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 Average: eth0 14.05 10.04 36.86 4.00 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 0.10 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) 19:17:17 LINUX RESTART (4 CPU) 19:18:01 CPU %user %nice %system %iowait %steal %idle 19:19:02 all 3.44 0.00 1.91 1.60 0.01 93.03 19:19:02 0 3.89 0.00 2.16 0.55 0.02 93.38 19:19:02 1 3.15 0.00 1.76 0.30 0.00 94.79 19:19:02 2 3.36 0.00 1.74 1.91 0.00 93.00 19:19:02 3 3.38 0.00 1.99 3.65 0.02 90.96 19:20:01 all 0.17 0.00 0.04 0.00 0.01 99.78 19:20:01 0 0.46 0.00 0.03 0.00 0.00 99.51 19:20:01 1 0.07 0.00 0.03 0.00 0.02 99.88 19:20:01 2 0.08 0.00 0.05 0.00 0.02 99.85 19:20:01 3 0.07 0.00 0.03 0.00 0.00 99.90 19:21:01 all 0.11 0.00 0.05 0.00 0.00 99.84 19:21:01 0 0.23 0.00 0.05 0.00 0.00 99.72 19:21:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:21:01 2 0.10 0.00 0.08 0.00 0.00 99.82 19:21:01 3 0.07 0.00 0.03 0.00 0.00 99.90 19:22:01 all 0.17 0.00 0.04 0.00 0.00 99.80 19:22:01 0 0.52 0.00 0.03 0.00 0.00 99.45 19:22:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:22:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:22:01 3 0.05 0.00 0.03 0.00 0.00 99.92 19:23:01 all 0.17 0.00 0.05 0.00 0.00 99.78 19:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:23:01 1 0.27 0.00 0.05 0.00 0.00 99.68 19:23:01 2 0.33 0.00 0.12 0.00 0.00 99.55 19:23:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:24:01 all 0.13 0.00 0.07 0.00 0.00 99.80 19:24:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:24:01 1 0.45 0.00 0.05 0.00 0.00 99.50 19:24:01 2 0.02 0.00 0.17 0.00 0.00 99.82 19:24:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:25:01 all 0.04 0.00 0.04 0.00 0.00 99.92 19:25:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:25:01 1 0.07 0.00 0.07 0.00 0.00 99.87 19:25:01 2 0.03 0.00 0.05 0.00 0.00 99.92 19:25:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:26:01 all 0.12 0.00 0.03 0.00 0.00 99.85 19:26:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:26:01 1 0.03 0.00 0.05 0.00 0.00 99.92 19:26:01 2 0.02 0.00 0.02 0.00 0.00 99.97 19:26:01 3 0.40 0.00 0.03 0.00 0.00 99.57 19:27:01 all 0.17 0.00 0.02 0.00 0.00 99.80 19:27:01 0 0.02 0.00 0.00 0.00 0.00 99.98 19:27:01 1 0.07 0.00 0.05 0.00 0.02 99.87 19:27:01 2 0.05 0.00 0.02 0.00 0.00 99.93 19:27:01 3 0.55 0.00 0.03 0.00 0.00 99.42 19:28:01 all 0.20 0.00 0.04 0.00 0.00 99.76 19:28:01 0 0.18 0.00 0.03 0.00 0.00 99.78 19:28:01 1 0.07 0.00 0.07 0.00 0.00 99.87 19:28:01 2 0.02 0.00 0.03 0.00 0.00 99.95 19:28:01 3 0.52 0.00 0.03 0.00 0.00 99.45 19:29:01 all 0.15 0.00 0.02 0.00 0.00 99.82 19:29:01 0 0.00 0.00 0.02 0.00 0.00 99.98 19:29:01 1 0.05 0.00 0.07 0.00 0.00 99.88 19:29:01 2 0.03 0.00 0.00 0.00 0.00 99.97 19:29:01 3 0.52 0.00 0.02 0.00 0.02 99.45 19:29:01 CPU %user %nice %system %iowait %steal %idle 19:30:01 all 0.16 0.00 0.02 0.00 0.00 99.82 19:30:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:30:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:30:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:30:01 3 0.50 0.00 0.02 0.00 0.00 99.48 19:31:01 all 0.14 0.00 0.03 0.00 0.00 99.83 19:31:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:31:01 1 0.02 0.00 0.03 0.00 0.00 99.95 19:31:01 2 0.02 0.00 0.05 0.00 0.02 99.92 19:31:01 3 0.50 0.00 0.02 0.00 0.00 99.48 Average: all 0.40 0.00 0.18 0.12 0.00 99.30 Average: 0 0.42 0.00 0.19 0.04 0.00 99.35 Average: 1 0.34 0.00 0.18 0.02 0.00 99.46 Average: 2 0.32 0.00 0.18 0.15 0.00 99.35 Average: 3 0.51 0.00 0.18 0.28 0.00 99.03