---> uname -a: Linux c10718d9d33b 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% /w/workspace/gexfoundry_device-mqtt-go_PR-166@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 654 139 0 1043 1076 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) 09/04/20 _x86_64_ (4 CPU) 21:54:00 LINUX RESTART (4 CPU) 21:55:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:56:01 9.47 4.25 5.22 0.00 800.14 143.88 0.00 21:57:01 0.35 0.00 0.35 0.00 0.00 5.76 0.00 21:58:01 0.32 0.00 0.32 0.00 0.00 4.00 0.00 21:59:01 0.22 0.00 0.22 0.00 0.00 2.30 0.00 22:00:01 0.32 0.00 0.32 0.00 0.00 4.61 0.00 22:01:01 0.30 0.03 0.27 0.00 0.27 2.88 0.00 22:02:01 0.52 0.12 0.40 0.00 2.13 6.36 0.00 22:03:01 0.25 0.00 0.25 0.00 0.00 3.06 0.00 22:04:02 0.30 0.00 0.30 0.00 0.00 5.08 0.00 22:05:01 0.20 0.00 0.20 0.00 0.00 2.25 0.00 22:06:01 0.27 0.00 0.27 0.00 0.00 3.86 0.00 22:07:01 0.22 0.00 0.22 0.00 0.00 3.96 0.00 Average: 1.05 0.36 0.69 0.00 65.96 15.51 0.00 21:55:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:56:01 162028 0 577440 30.69 2620 1139468 1100452 37.56 430200 1126512 20 21:57:01 165672 0 573792 30.50 2620 1139472 1073596 36.64 430436 1124036 12 21:58:01 166084 0 573372 30.47 2620 1139480 1073600 36.64 430268 1124040 24 21:59:01 165972 0 573484 30.48 2620 1139480 1073420 36.63 433048 1121328 12 22:00:01 165620 0 573832 30.50 2620 1139484 1073504 36.64 436524 1118288 8 22:01:01 164568 0 574868 30.55 2620 1139500 1076236 36.73 437248 1118288 12 22:02:01 165580 0 573716 30.49 2620 1139640 1073928 36.65 431072 1123836 8 22:03:01 164744 0 574548 30.54 2620 1139644 1074108 36.66 432036 1123836 20 22:04:02 164580 0 574704 30.54 2620 1139652 1074132 36.66 432224 1123836 8 22:05:01 164812 0 574468 30.53 2620 1139656 1074072 36.66 431392 1124372 16 22:06:01 165656 0 573624 30.49 2620 1139656 1073928 36.65 430624 1124372 16 22:07:01 165740 0 573532 30.48 2620 1139664 1073928 36.65 430632 1124372 8 Average: 165088 0 574282 30.52 2620 1139566 1076242 36.73 432142 1123093 14 21:55:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:56:01 eth0 26.89 21.15 23.29 25.37 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 3.13 2.08 0.39 3.56 0.00 0.00 0.00 0.00 21:57:01 eth0 5.33 2.28 3.62 0.51 0.00 0.00 0.00 0.00 21:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:58:01 eth0 1.28 0.72 0.61 0.38 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 0.12 0.08 0.01 0.04 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 0.20 0.15 0.08 0.07 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 0.15 0.03 0.06 0.00 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 0.60 0.17 0.06 0.01 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 1.18 0.47 0.33 0.21 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 22:04:02 eth0 1.17 0.45 0.31 0.21 0.00 0.00 0.00 0.00 22:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 eth0 1.73 0.66 0.75 0.44 0.00 0.00 0.00 0.00 22:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.21 2.17 2.40 2.24 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 0.26 0.17 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) 09/04/20 _x86_64_ (4 CPU) 21:54:00 LINUX RESTART (4 CPU) 21:55:02 CPU %user %nice %system %iowait %steal %idle 21:56:01 all 1.30 0.00 0.68 0.06 0.01 97.95 21:56:01 0 1.04 0.00 0.75 0.07 0.02 98.13 21:56:01 1 1.51 0.00 0.63 0.07 0.00 97.80 21:56:01 2 1.42 0.00 0.70 0.03 0.02 97.83 21:56:01 3 1.24 0.00 0.64 0.07 0.00 98.05 21:57:01 all 0.17 0.00 0.04 0.00 0.00 99.79 21:57:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:57:01 1 0.55 0.00 0.05 0.00 0.00 99.40 21:57:01 2 0.03 0.00 0.05 0.00 0.00 99.92 21:57:01 3 0.05 0.00 0.02 0.00 0.00 99.93 21:58:01 all 0.18 0.00 0.02 0.00 0.00 99.80 21:58:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:58:01 1 0.58 0.00 0.02 0.00 0.00 99.40 21:58:01 2 0.07 0.00 0.02 0.00 0.00 99.92 21:58:01 3 0.05 0.00 0.02 0.00 0.00 99.93 21:59:01 all 0.10 0.00 0.03 0.00 0.00 99.87 21:59:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:59:01 1 0.33 0.00 0.05 0.00 0.00 99.62 21:59:01 2 0.03 0.00 0.03 0.00 0.00 99.93 21:59:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:00:01 all 0.04 0.00 0.05 0.00 0.00 99.92 22:00:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:00:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:00:01 2 0.05 0.00 0.05 0.00 0.00 99.90 22:00:01 3 0.05 0.00 0.10 0.00 0.00 99.85 22:01:01 all 0.09 0.00 0.03 0.00 0.00 99.87 22:01:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:01:01 1 0.28 0.00 0.03 0.00 0.02 99.67 22:01:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:01:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:02:01 all 0.16 0.00 0.03 0.01 0.00 99.80 22:02:01 0 0.03 0.00 0.03 0.02 0.00 99.92 22:02:01 1 0.52 0.00 0.03 0.00 0.00 99.45 22:02:01 2 0.03 0.00 0.03 0.02 0.00 99.92 22:02:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:03:01 all 0.15 0.00 0.02 0.00 0.01 99.82 22:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:03:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:03:01 2 0.03 0.00 0.03 0.00 0.02 99.92 22:03:01 3 0.03 0.00 0.03 0.00 0.02 99.92 22:04:02 all 0.16 0.00 0.02 0.00 0.00 99.81 22:04:02 0 0.03 0.00 0.02 0.00 0.02 99.93 22:04:02 1 0.53 0.00 0.02 0.00 0.00 99.45 22:04:02 2 0.05 0.00 0.02 0.00 0.00 99.93 22:04:02 3 0.03 0.00 0.03 0.00 0.00 99.93 22:05:01 all 0.15 0.00 0.03 0.00 0.00 99.83 22:05:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:05:01 1 0.51 0.00 0.02 0.00 0.00 99.48 22:05:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:05:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:06:01 all 0.16 0.00 0.02 0.00 0.00 99.82 22:06:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:06:01 1 0.53 0.00 0.00 0.00 0.00 99.47 22:06:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:06:01 3 0.05 0.00 0.02 0.00 0.00 99.93 22:06:01 CPU %user %nice %system %iowait %steal %idle 22:07:01 all 0.14 0.00 0.02 0.00 0.00 99.85 22:07:01 0 0.00 0.00 0.00 0.00 0.00 100.00 22:07:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:07:01 2 0.00 0.00 0.02 0.00 0.00 99.98 22:07:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.23 0.00 0.08 0.01 0.00 99.68 Average: 0 0.11 0.00 0.08 0.01 0.00 99.80 Average: 1 0.53 0.00 0.07 0.01 0.00 99.39 Average: 2 0.15 0.00 0.09 0.00 0.00 99.75 Average: 3 0.14 0.00 0.08 0.01 0.00 99.77