---> uname -a: Linux prd-centos7-docker-4c-2g-3857.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: 2933.442 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 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-229@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-229 ---> free -m: total used free shared buff/cache available Mem: 1837 742 99 0 996 990 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 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:49:62:12 brd ff:ff:ff:ff:ff:ff inet 10.30.123.252/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85831sec preferred_lft 85831sec inet6 fe80::f816:3eff:fe49:6212/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:f3:d9:7a:94 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:f3ff:fed9:7a94/64 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) 05/09/21 _x86_64_ (4 CPU) 19:18:08 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 20.49 3.96 16.53 0.00 1082.87 2928.87 0.00 19:21:01 1.82 0.00 1.82 0.00 0.00 33.84 0.00 19:22:01 0.25 0.00 0.25 0.00 0.00 2.58 0.00 19:23:01 0.28 0.00 0.28 0.00 0.00 3.33 0.00 19:24:01 0.20 0.00 0.20 0.00 0.00 3.15 0.00 19:25:02 0.33 0.00 0.33 0.00 0.00 4.76 0.00 19:26:01 0.27 0.00 0.27 0.00 0.00 3.66 0.00 19:27:01 0.22 0.00 0.22 0.00 0.00 2.30 0.00 Average: 2.99 0.50 2.49 0.00 135.69 373.71 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 160624 0 630280 33.50 2620 1088020 1110560 37.90 464216 1059000 20 19:21:01 163400 0 627492 33.35 2620 1088032 1089700 37.19 462700 1058060 8 19:22:01 163816 0 627072 33.33 2620 1088036 1072224 36.59 463508 1057268 8 19:23:01 163508 0 627380 33.34 2620 1088036 1072356 36.60 475716 1045772 8 19:24:01 159924 0 630956 33.53 2620 1088044 1072416 36.60 473568 1051512 12 19:25:02 159948 0 630928 33.53 2620 1088048 1072380 36.60 478188 1046716 20 19:26:01 160876 0 629996 33.48 2620 1088052 1072224 36.59 477312 1046716 12 19:27:01 160860 0 630008 33.48 2620 1088056 1072224 36.59 477348 1046716 8 Average: 161620 0 629264 33.44 2620 1088040 1079260 36.83 471570 1051470 12 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 eth0 35.97 23.77 37.04 9.50 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 2.13 1.63 0.45 4.91 0.00 0.00 0.00 0.00 19:21:01 eth0 1.05 0.38 0.31 0.24 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 0.45 0.07 0.04 0.01 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 1.45 0.30 0.40 0.17 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 1.75 0.68 0.67 0.49 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 19:25:02 eth0 0.63 0.37 0.34 0.17 0.00 0.00 0.00 0.00 19:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 eth0 0.08 0.08 0.01 0.04 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 0.08 0.08 0.01 0.01 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 Average: eth0 5.20 3.22 4.86 1.33 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 0.27 0.20 0.06 0.62 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) 05/09/21 _x86_64_ (4 CPU) 19:18:08 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 1.65 0.00 1.27 0.43 0.01 96.64 19:20:01 0 1.51 0.00 1.49 0.23 0.02 96.75 19:20:01 1 1.93 0.00 1.09 0.15 0.00 96.84 19:20:01 2 1.85 0.00 1.22 0.22 0.02 96.69 19:20:01 3 1.32 0.00 1.27 1.12 0.02 96.27 19:21:01 all 0.15 0.00 0.04 0.00 0.00 99.81 19:21:01 0 0.37 0.00 0.07 0.00 0.00 99.57 19:21:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:21:01 2 0.15 0.00 0.03 0.00 0.00 99.82 19:21:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:22:01 all 0.17 0.00 0.05 0.00 0.00 99.77 19:22:01 0 0.50 0.00 0.05 0.00 0.00 99.45 19:22:01 1 0.10 0.00 0.08 0.00 0.02 99.80 19:22:01 2 0.07 0.00 0.07 0.00 0.00 99.87 19:22:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:23:01 all 0.04 0.00 0.05 0.00 0.00 99.91 19:23:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:23:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:23:01 2 0.05 0.00 0.08 0.00 0.00 99.87 19:23:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:24:01 all 0.12 0.00 0.25 0.00 0.01 99.61 19:24:01 0 0.07 0.00 0.13 0.00 0.02 99.78 19:24:01 1 0.08 0.00 0.22 0.00 0.02 99.68 19:24:01 2 0.25 0.00 0.28 0.00 0.02 99.45 19:24:01 3 0.10 0.00 0.38 0.00 0.00 99.52 19:25:02 all 0.16 0.00 0.05 0.00 0.00 99.79 19:25:02 0 0.03 0.00 0.02 0.00 0.00 99.95 19:25:02 1 0.03 0.00 0.02 0.00 0.00 99.95 19:25:02 2 0.53 0.00 0.10 0.00 0.00 99.37 19:25:02 3 0.05 0.00 0.05 0.00 0.00 99.90 19:26:01 all 0.17 0.00 0.04 0.00 0.00 99.79 19:26:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:26:01 1 0.05 0.00 0.02 0.00 0.00 99.93 19:26:01 2 0.52 0.00 0.05 0.00 0.00 99.42 19:26:01 3 0.08 0.00 0.07 0.00 0.00 99.85 19:27:01 all 0.16 0.00 0.04 0.00 0.00 99.80 19:27:01 0 0.02 0.00 0.05 0.00 0.00 99.93 19:27:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:27:01 2 0.52 0.00 0.02 0.00 0.00 99.47 19:27:01 3 0.05 0.00 0.05 0.00 0.02 99.88 Average: all 0.33 0.00 0.22 0.05 0.00 99.39 Average: 0 0.32 0.00 0.23 0.03 0.00 99.42 Average: 1 0.29 0.00 0.19 0.02 0.00 99.49 Average: 2 0.49 0.00 0.23 0.03 0.00 99.24 Average: 3 0.21 0.00 0.24 0.14 0.00 99.41