---> uname -a: Linux prd-centos7-docker-4c-2g-407.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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 Srbds: Not affected 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 43.1G 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 43.1G 14% /facter-os /dev/vda1 50.0G 6.9G 43.1G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.1G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.1G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.1G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-216@tmp /dev/vda1 50.0G 6.9G 43.1G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.1G 14% /var/log/secure /dev/vda1 50.0G 6.9G 43.1G 14% /var/log/auth.log /dev/vda1 50.0G 6.9G 43.1G 14% /run/cloud-init/result.json /dev/vda1 50.0G 6.9G 43.1G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-216 ---> free -m: total used free shared buff/cache available Mem: 1837 723 98 0 1015 1008 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:bb:12:16 brd ff:ff:ff:ff:ff:ff inet 10.30.123.137/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85475sec preferred_lft 85475sec inet6 fe80::f816:3eff:febb:1216/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:f8:4f:02:7a brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:f8ff:fe4f:27a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 04/16/21 _x86_64_ (4 CPU) 04:56:40 LINUX RESTART (4 CPU) 04:58:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:59:01 55.55 17.75 37.79 0.00 5062.19 3663.32 0.00 05:00:01 6.47 1.33 5.14 0.00 84.76 142.85 0.00 05:01:01 1.73 0.02 1.71 0.00 0.13 34.79 0.00 05:02:01 0.42 0.08 0.33 0.00 1.60 5.14 0.00 05:03:01 0.27 0.00 0.27 0.00 0.00 3.48 0.00 05:04:02 0.23 0.00 0.23 0.00 0.00 2.19 0.00 05:05:01 0.27 0.00 0.27 0.00 0.00 3.66 0.00 05:06:01 0.22 0.00 0.22 0.00 0.00 2.75 0.00 05:07:01 0.28 0.00 0.28 0.00 0.00 3.70 0.00 05:08:01 0.20 0.00 0.20 0.00 0.00 2.05 0.00 05:09:01 0.18 0.00 0.18 0.00 0.00 1.88 0.00 05:10:01 0.25 0.00 0.25 0.00 0.00 3.33 0.00 05:11:01 0.27 0.00 0.27 0.00 0.00 2.46 0.00 05:12:01 132.38 74.22 58.16 0.00 5925.55 15174.67 0.00 Average: 14.21 6.69 7.52 0.00 790.53 1363.74 0.00 04:58:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:59:01 172636 0 581396 30.90 2620 1124892 1269644 43.33 376380 1130196 40 05:00:01 141452 0 609732 32.41 2620 1127740 1120760 38.25 434628 1106420 16 05:01:01 144872 0 606308 32.22 2620 1127744 1064652 36.33 434796 1103376 16 05:02:01 144828 0 606228 32.22 2620 1127868 1062420 36.26 437460 1101304 8 05:03:01 145124 0 605924 32.20 2620 1127876 1062420 36.26 437372 1101304 12 05:04:02 144160 0 606884 32.25 2620 1127880 1062468 36.26 436612 1102792 8 05:05:01 143788 0 607252 32.27 2620 1127884 1062456 36.26 437268 1102792 12 05:06:01 145056 0 605976 32.21 2620 1127892 1062216 36.25 435924 1102792 8 05:07:01 136104 0 614888 32.68 2620 1127932 1117132 38.13 443832 1102724 20 05:08:01 141932 0 609088 32.37 2620 1127904 1072800 36.61 438856 1102332 20 05:09:01 142560 0 608460 32.34 2620 1127904 1072608 36.61 439004 1102332 12 05:10:01 142664 0 608348 32.33 2620 1127912 1072536 36.60 438752 1102332 8 05:11:01 142788 0 608220 32.33 2620 1127916 1072536 36.60 438756 1102332 8 05:12:01 189632 0 697292 37.06 2620 992000 1298240 44.31 446372 993880 86328 Average: 148400 0 612571 32.56 2620 1117953 1105206 37.72 434001 1096922 6180 04:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:59:01 eth0 190.84 148.53 848.23 61.38 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 vetha8472bc 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 04:59:01 docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:00:01 eth0 18.15 16.03 25.65 6.80 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 2.20 1.58 0.41 4.38 0.00 0.00 0.00 0.00 05:01:01 eth0 0.96 0.47 0.31 0.12 0.00 0.00 0.00 0.00 05:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 eth0 1.35 0.42 0.35 0.30 0.00 0.00 0.00 0.00 05:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 eth0 1.23 0.53 0.43 0.25 0.00 0.00 0.00 0.00 05:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:02 eth0 0.96 0.33 0.37 0.24 0.00 0.00 0.00 0.00 05:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:05:01 eth0 0.47 0.34 0.27 0.20 0.00 0.00 0.00 0.00 05:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:06:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:07:01 eth0 3.12 3.42 0.46 15.18 0.00 0.00 0.00 0.00 05:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:08:01 eth0 1.52 1.33 0.17 6.35 0.00 0.00 0.00 0.00 05:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:09:01 eth0 0.18 0.12 0.07 0.21 0.00 0.00 0.00 0.00 05:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 eth0 215.93 166.42 2174.22 31.70 0.00 0.00 0.00 0.00 05:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 31.06 24.14 218.21 8.75 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 0.12 0.03 0.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 04/16/21 _x86_64_ (4 CPU) 04:56:40 LINUX RESTART (4 CPU) 04:58:01 CPU %user %nice %system %iowait %steal %idle 04:59:01 all 8.92 0.00 4.09 2.40 35.09 49.50 04:59:01 0 7.19 0.00 3.94 3.53 36.39 48.95 04:59:01 1 11.15 0.00 4.87 2.59 34.36 47.02 04:59:01 2 9.12 0.00 3.69 2.93 35.04 49.22 04:59:01 3 8.35 0.00 3.88 0.51 34.51 52.76 05:00:01 all 0.86 0.00 1.47 0.09 9.69 87.89 05:00:01 0 0.85 0.00 1.49 0.02 9.40 88.25 05:00:01 1 0.75 0.00 1.70 0.12 9.98 87.44 05:00:01 2 0.88 0.00 1.24 0.19 9.63 88.06 05:00:01 3 0.95 0.00 1.47 0.05 9.74 87.80 05:01:01 all 0.09 0.00 0.09 0.00 1.51 98.30 05:01:01 0 0.02 0.00 0.08 0.00 0.86 99.04 05:01:01 1 0.03 0.00 0.10 0.02 2.29 97.57 05:01:01 2 0.08 0.00 0.07 0.00 1.48 98.37 05:01:01 3 0.25 0.00 0.10 0.00 1.42 98.24 05:02:01 all 0.12 0.00 0.18 0.00 1.16 98.55 05:02:01 0 0.02 0.00 0.17 0.00 0.96 98.86 05:02:01 1 0.35 0.00 0.18 0.00 1.48 97.99 05:02:01 2 0.05 0.00 0.20 0.00 0.58 99.17 05:02:01 3 0.05 0.00 0.16 0.00 1.61 98.17 05:03:01 all 0.10 0.00 0.02 0.00 0.51 99.37 05:03:01 0 0.03 0.00 0.03 0.00 0.99 98.94 05:03:01 1 0.03 0.00 0.02 0.00 0.37 99.58 05:03:01 2 0.33 0.00 0.02 0.00 0.60 99.05 05:03:01 3 0.02 0.00 0.02 0.00 0.07 99.90 05:04:02 all 0.10 0.00 0.11 0.00 1.04 98.75 05:04:02 0 0.02 0.00 0.08 0.00 2.41 97.49 05:04:02 1 0.03 0.00 0.10 0.00 0.51 99.35 05:04:02 2 0.05 0.00 0.20 0.00 0.56 99.19 05:04:02 3 0.32 0.00 0.07 0.00 0.65 98.97 05:05:01 all 0.10 0.00 0.02 0.00 1.14 98.74 05:05:01 0 0.02 0.00 0.02 0.00 1.62 98.35 05:05:01 1 0.17 0.00 0.02 0.00 0.71 99.11 05:05:01 2 0.22 0.00 0.03 0.00 1.65 98.10 05:05:01 3 0.02 0.00 0.02 0.00 0.56 99.41 05:06:01 all 0.12 0.00 0.03 0.00 0.15 99.70 05:06:01 0 0.02 0.00 0.02 0.00 0.03 99.93 05:06:01 1 0.03 0.00 0.03 0.00 0.12 99.82 05:06:01 2 0.40 0.00 0.03 0.00 0.15 99.42 05:06:01 3 0.03 0.00 0.03 0.00 0.28 99.65 05:07:01 all 0.15 0.00 0.04 0.00 1.68 98.13 05:07:01 0 0.07 0.00 0.03 0.00 2.38 97.53 05:07:01 1 0.15 0.00 0.03 0.00 1.83 97.99 05:07:01 2 0.28 0.00 0.08 0.00 1.54 98.09 05:07:01 3 0.10 0.00 0.02 0.00 0.94 98.94 05:08:01 all 0.07 0.00 0.04 0.00 0.41 99.48 05:08:01 0 0.02 0.00 0.03 0.00 0.25 99.70 05:08:01 1 0.07 0.00 0.05 0.00 0.12 99.77 05:08:01 2 0.13 0.00 0.05 0.00 0.52 99.30 05:08:01 3 0.05 0.00 0.02 0.00 0.76 99.17 05:09:01 all 0.03 0.00 0.02 0.00 0.08 99.87 05:09:01 0 0.02 0.00 0.00 0.00 0.02 99.97 05:09:01 1 0.02 0.00 0.00 0.00 0.02 99.97 05:09:01 2 0.02 0.00 0.02 0.00 0.05 99.92 05:09:01 3 0.07 0.00 0.07 0.00 0.23 99.63 05:09:01 CPU %user %nice %system %iowait %steal %idle 05:10:01 all 0.03 0.00 0.03 0.00 0.11 99.83 05:10:01 0 0.00 0.00 0.02 0.00 0.13 99.85 05:10:01 1 0.07 0.00 0.05 0.00 0.20 99.68 05:10:01 2 0.02 0.00 0.03 0.00 0.03 99.92 05:10:01 3 0.03 0.00 0.03 0.00 0.07 99.87 05:11:01 all 0.02 0.00 0.03 0.00 0.41 99.54 05:11:01 0 0.02 0.00 0.02 0.00 0.65 99.32 05:11:01 1 0.05 0.00 0.05 0.00 0.52 99.38 05:11:01 2 0.02 0.00 0.03 0.00 0.40 99.55 05:11:01 3 0.02 0.00 0.02 0.00 0.07 99.90 05:12:01 all 3.97 0.00 3.60 2.49 23.91 66.03 05:12:01 0 3.93 0.00 3.75 0.31 25.53 66.49 05:12:01 1 4.68 0.00 3.05 7.12 24.61 60.54 05:12:01 2 3.82 0.00 3.21 1.70 22.94 68.34 05:12:01 3 3.43 0.00 4.42 0.75 22.55 68.84 Average: all 1.15 0.00 0.76 0.39 5.97 91.72 Average: 0 0.98 0.00 0.76 0.32 6.41 91.53 Average: 1 1.36 0.00 0.79 0.78 5.94 91.13 Average: 2 1.19 0.00 0.69 0.38 5.80 91.94 Average: 3 1.07 0.00 0.80 0.10 5.72 92.30