---> uname -a: Linux prd-centos7-docker-4c-2g-766.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: 2933.436 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-219@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-219 ---> free -m: total used free shared buff/cache available Mem: 1837 723 105 0 1008 1009 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:f1:68:92 brd ff:ff:ff:ff:ff:ff inet 10.30.122.173/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85638sec preferred_lft 85638sec inet6 fe80::f816:3eff:fef1:6892/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:7b:a3:db:41 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::42:7bff:fea3:db41/64 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) 04/19/21 _x86_64_ (4 CPU) 09:49:42 LINUX RESTART (4 CPU) 09:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:51:01 177.75 88.81 88.93 0.00 9630.80 39872.50 0.00 09:52:01 2.61 0.00 2.61 0.00 0.00 54.74 0.00 09:53:01 0.48 0.00 0.48 0.00 0.00 6.84 0.00 09:54:01 0.23 0.00 0.23 0.00 0.00 2.70 0.00 09:55:01 0.23 0.00 0.23 0.00 0.00 3.33 0.00 09:56:01 0.27 0.00 0.27 0.00 0.00 4.41 0.00 09:57:01 0.22 0.00 0.22 0.00 0.00 2.60 0.00 09:58:01 0.27 0.00 0.27 0.00 0.00 3.61 0.00 09:59:01 0.28 0.00 0.28 0.00 0.00 2.90 0.00 10:00:01 0.27 0.00 0.27 0.00 0.00 3.48 0.00 10:01:01 0.27 0.02 0.25 0.00 0.13 2.70 0.00 10:02:01 0.38 0.08 0.30 0.00 1.60 4.74 0.00 Average: 15.05 7.30 7.75 0.00 790.93 3281.63 0.00 09:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:51:01 168888 0 614196 32.64 2620 1095840 1117724 38.15 411340 1103060 128 09:52:01 169860 0 613132 32.59 2620 1095932 1117556 38.14 417656 1096408 8 09:53:01 171628 0 611360 32.49 2620 1095936 1099360 37.52 415124 1097084 20 09:54:01 172444 0 610544 32.45 2620 1095936 1096276 37.41 430536 1081336 16 09:55:01 170996 0 611984 32.53 2620 1095944 1087204 37.10 428384 1085812 16 09:56:01 168956 0 614016 32.63 2620 1095952 1087264 37.11 436856 1078872 8 09:57:01 170872 0 612096 32.53 2620 1095956 1087024 37.10 436300 1078000 8 09:58:01 169236 0 613728 32.62 2620 1095960 1087228 37.11 437352 1078000 8 09:59:01 170416 0 612540 32.56 2620 1095968 1087024 37.10 436516 1078000 8 10:00:01 169256 0 613696 32.62 2620 1095972 1087156 37.10 437520 1078000 8 10:01:01 167732 0 615216 32.70 2620 1095976 1089472 37.18 438216 1078004 8 10:02:01 169236 0 613588 32.61 2620 1096100 1087532 37.12 437348 1078064 8 Average: 169960 0 613008 32.58 2620 1095956 1094235 37.34 430262 1084220 20 09:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:51:01 eth0 591.15 361.43 1112.91 86.69 0.00 0.00 0.00 0.00 09:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 docker0 2.18 1.56 0.43 4.84 0.00 0.00 0.00 0.00 09:52:01 eth0 1.78 0.88 0.88 0.57 0.00 0.00 0.00 0.00 09:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:53:01 eth0 2.33 0.28 0.43 0.20 0.00 0.00 0.00 0.00 09:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:54:01 eth0 1.22 0.33 0.33 0.20 0.00 0.00 0.00 0.00 09:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:55:01 eth0 1.62 0.40 0.38 0.12 0.00 0.00 0.00 0.00 09:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:56:01 eth0 0.78 0.42 0.41 0.38 0.00 0.00 0.00 0.00 09:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 eth0 0.42 0.08 0.04 0.01 0.00 0.00 0.00 0.00 09:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 eth0 1.08 0.42 0.31 0.21 0.00 0.00 0.00 0.00 09:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 eth0 1.32 0.08 0.12 0.01 0.00 0.00 0.00 0.00 09:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 eth0 0.43 0.20 0.26 0.19 0.00 0.00 0.00 0.00 10:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:01:01 eth0 0.35 0.17 0.15 0.07 0.00 0.00 0.00 0.00 10:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:02:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 10:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 49.49 29.96 91.66 7.28 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 0.18 0.13 0.04 0.40 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) 04/19/21 _x86_64_ (4 CPU) 09:49:42 LINUX RESTART (4 CPU) 09:50:02 CPU %user %nice %system %iowait %steal %idle 09:51:01 all 15.71 0.00 9.04 6.55 0.25 68.45 09:51:01 0 14.28 0.00 9.28 5.54 0.21 70.68 09:51:01 1 17.37 0.00 9.36 5.95 0.23 67.10 09:51:01 2 15.58 0.00 8.04 7.85 0.28 68.25 09:51:01 3 15.61 0.00 9.46 6.86 0.28 67.79 09:52:01 all 0.19 0.00 0.05 0.00 0.02 99.74 09:52:01 0 0.03 0.00 0.03 0.00 0.02 99.92 09:52:01 1 0.57 0.00 0.03 0.00 0.00 99.40 09:52:01 2 0.05 0.00 0.03 0.00 0.02 99.90 09:52:01 3 0.10 0.00 0.12 0.00 0.03 99.75 09:53:01 all 0.17 0.00 0.15 0.00 0.00 99.68 09:53:01 0 0.03 0.00 0.15 0.00 0.00 99.82 09:53:01 1 0.37 0.00 0.18 0.00 0.00 99.45 09:53:01 2 0.18 0.00 0.12 0.00 0.00 99.70 09:53:01 3 0.08 0.00 0.17 0.00 0.00 99.75 09:54:01 all 0.15 0.00 0.05 0.00 0.00 99.80 09:54:01 0 0.02 0.00 0.03 0.00 0.00 99.95 09:54:01 1 0.08 0.00 0.13 0.00 0.00 99.78 09:54:01 2 0.48 0.00 0.02 0.00 0.00 99.50 09:54:01 3 0.03 0.00 0.02 0.00 0.00 99.95 09:55:01 all 0.18 0.00 0.04 0.00 0.01 99.77 09:55:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:55:01 1 0.10 0.00 0.03 0.00 0.02 99.85 09:55:01 2 0.52 0.00 0.03 0.00 0.02 99.43 09:55:01 3 0.07 0.00 0.08 0.00 0.02 99.83 09:56:01 all 0.20 0.00 0.05 0.00 0.00 99.75 09:56:01 0 0.12 0.00 0.05 0.00 0.00 99.83 09:56:01 1 0.05 0.00 0.08 0.00 0.00 99.87 09:56:01 2 0.53 0.00 0.02 0.00 0.02 99.43 09:56:01 3 0.08 0.00 0.07 0.00 0.00 99.85 09:57:01 all 0.18 0.00 0.04 0.00 0.00 99.78 09:57:01 0 0.05 0.00 0.02 0.00 0.00 99.93 09:57:01 1 0.07 0.00 0.10 0.00 0.00 99.83 09:57:01 2 0.53 0.00 0.02 0.00 0.02 99.43 09:57:01 3 0.05 0.00 0.02 0.00 0.00 99.93 09:58:01 all 0.19 0.00 0.04 0.00 0.01 99.76 09:58:01 0 0.10 0.00 0.05 0.00 0.02 99.83 09:58:01 1 0.08 0.00 0.07 0.00 0.02 99.83 09:58:01 2 0.53 0.00 0.02 0.00 0.00 99.45 09:58:01 3 0.03 0.00 0.03 0.00 0.00 99.93 09:59:01 all 0.15 0.00 0.03 0.00 0.00 99.81 09:59:01 0 0.02 0.00 0.02 0.00 0.00 99.97 09:59:01 1 0.08 0.00 0.07 0.00 0.00 99.85 09:59:01 2 0.48 0.00 0.02 0.00 0.00 99.50 09:59:01 3 0.03 0.00 0.03 0.00 0.00 99.93 10:00:01 all 0.15 0.00 0.03 0.00 0.00 99.82 10:00:01 0 0.02 0.00 0.03 0.00 0.00 99.95 10:00:01 1 0.07 0.00 0.07 0.00 0.00 99.87 10:00:01 2 0.48 0.00 0.00 0.00 0.00 99.52 10:00:01 3 0.03 0.00 0.02 0.00 0.02 99.93 10:01:01 all 0.16 0.00 0.05 0.00 0.00 99.79 10:01:01 0 0.05 0.00 0.05 0.00 0.02 99.88 10:01:01 1 0.05 0.00 0.07 0.00 0.00 99.88 10:01:01 2 0.52 0.00 0.05 0.00 0.00 99.43 10:01:01 3 0.02 0.00 0.03 0.00 0.00 99.95 10:01:01 CPU %user %nice %system %iowait %steal %idle 10:02:01 all 0.10 0.00 0.05 0.00 0.00 99.83 10:02:01 0 0.07 0.00 0.03 0.00 0.00 99.90 10:02:01 1 0.05 0.00 0.05 0.00 0.00 99.90 10:02:01 2 0.30 0.00 0.10 0.00 0.02 99.58 10:02:01 3 0.00 0.00 0.03 0.02 0.00 99.95 Average: all 1.41 0.00 0.77 0.53 0.02 97.26 Average: 0 1.19 0.00 0.78 0.44 0.02 97.57 Average: 1 1.53 0.00 0.83 0.48 0.02 97.15 Average: 2 1.64 0.00 0.68 0.63 0.03 97.02 Average: 3 1.29 0.00 0.81 0.55 0.03 97.32