---> uname -a: Linux prd-centos7-docker-4c-2g-19812.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% /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-197 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-197@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 689 96 0 1051 1043 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:14:bb:2c brd ff:ff:ff:ff:ff:ff inet 10.30.122.48/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85916sec preferred_lft 85916sec inet6 fe80::f816:3eff:fe14:bb2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:48:d3:bd: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::42:48ff:fed3:bd7a/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) 01/12/21 _x86_64_ (4 CPU) 21:17:48 LINUX RESTART (4 CPU) 21:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:01 2.91 0.05 2.86 0.00 1.60 100.67 0.00 21:21:01 0.40 0.00 0.40 0.00 0.00 5.85 0.00 21:22:01 0.25 0.00 0.25 0.00 0.00 2.20 0.00 21:23:01 0.27 0.00 0.27 0.00 0.00 3.33 0.00 21:24:01 0.25 0.00 0.25 0.00 0.00 3.75 0.00 21:25:01 0.32 0.00 0.32 0.00 0.00 3.63 0.00 Average: 0.73 0.01 0.72 0.00 0.27 19.91 0.00 21:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:01 176804 0 570880 30.34 2620 1131240 1061888 36.24 377984 1129220 8 21:21:01 173904 0 573772 30.49 2620 1131248 1062092 36.25 391060 1118944 8 21:22:01 173492 0 574180 30.52 2620 1131252 1062116 36.25 386944 1123200 8 21:23:01 173372 0 574300 30.52 2620 1131252 1061888 36.24 390336 1120624 8 21:24:01 170312 0 577352 30.69 2620 1131260 1061972 36.24 400464 1113832 12 21:25:01 170672 0 576988 30.67 2620 1131264 1061888 36.24 400036 1113832 20 Average: 173093 0 574579 30.54 2620 1131253 1061974 36.24 391137 1119942 11 21:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 0.00 21:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 eth0 1.13 0.48 0.33 0.18 0.00 0.00 0.00 0.00 21:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 eth0 0.55 0.40 0.32 0.24 0.00 0.00 0.00 0.00 21:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 eth0 0.32 0.20 0.14 0.07 0.00 0.00 0.00 0.00 21:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 eth0 0.33 0.17 0.03 0.01 0.00 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.53 0.24 0.15 0.09 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 0.00 0.00 0.00 0.00 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) 01/12/21 _x86_64_ (4 CPU) 21:17:48 LINUX RESTART (4 CPU) 21:19:01 CPU %user %nice %system %iowait %steal %idle 21:20:01 all 0.20 0.00 0.04 0.00 0.00 99.76 21:20:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:20:01 1 0.03 0.00 0.02 0.00 0.00 99.95 21:20:01 2 0.62 0.00 0.03 0.00 0.00 99.35 21:20:01 3 0.10 0.00 0.05 0.00 0.00 99.85 21:21:01 all 0.18 0.00 0.06 0.00 0.00 99.76 21:21:01 0 0.07 0.00 0.05 0.00 0.00 99.88 21:21:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:21:01 2 0.52 0.00 0.02 0.00 0.00 99.47 21:21:01 3 0.08 0.00 0.13 0.00 0.00 99.78 21:22:01 all 0.14 0.00 0.03 0.00 0.00 99.82 21:22:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:22:01 1 0.05 0.00 0.03 0.00 0.00 99.92 21:22:01 2 0.45 0.00 0.05 0.00 0.02 99.48 21:22:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:23:01 all 0.16 0.00 0.03 0.00 0.00 99.80 21:23:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:23:01 1 0.07 0.00 0.03 0.00 0.00 99.90 21:23:01 2 0.52 0.00 0.02 0.00 0.00 99.47 21:23:01 3 0.03 0.00 0.05 0.00 0.00 99.92 21:24:01 all 0.15 0.00 0.07 0.00 0.00 99.78 21:24:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:24:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:24:01 2 0.50 0.00 0.03 0.00 0.00 99.47 21:24:01 3 0.02 0.00 0.18 0.00 0.00 99.80 21:25:01 all 0.12 0.00 0.05 0.00 0.00 99.83 21:25:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:25:01 1 0.03 0.00 0.07 0.00 0.00 99.90 21:25:01 2 0.43 0.00 0.08 0.00 0.00 99.48 21:25:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.16 0.00 0.05 0.00 0.00 99.79 Average: 0 0.04 0.00 0.04 0.00 0.00 99.93 Average: 1 0.05 0.00 0.04 0.00 0.00 99.91 Average: 2 0.51 0.00 0.04 0.00 0.00 99.45 Average: 3 0.05 0.00 0.08 0.00 0.00 99.87