---> uname -a: Linux prd-centos7-docker-4c-2g-18330.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 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/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-179 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-179@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 682 129 0 1025 1050 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:43:97:e4 brd ff:ff:ff:ff:ff:ff inet 10.30.123.183/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86001sec preferred_lft 86001sec inet6 fe80::f816:3eff:fe43:97e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:21:9f:78:a5 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::42:21ff:fe9f:78a5/64 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) 01/04/21 _x86_64_ (4 CPU) 23:18:30 LINUX RESTART (4 CPU) 23:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:02 56.54 17.96 38.58 0.00 5217.98 3628.06 0.00 23:21:01 1.64 0.00 1.64 0.00 0.00 32.64 0.00 23:22:01 0.27 0.00 0.27 0.00 0.00 3.75 0.00 23:23:01 0.25 0.00 0.25 0.00 0.00 2.70 0.00 23:24:01 0.25 0.00 0.25 0.00 0.00 3.51 0.00 23:25:01 48.01 41.07 6.94 0.00 4165.49 2841.65 0.00 Average: 17.88 9.87 8.01 0.00 1568.86 1088.72 0.00 23:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:02 163128 0 582760 30.97 2620 1133036 1112980 37.98 401024 1118264 20 23:21:01 170192 0 575688 30.60 2620 1133044 1076364 36.73 403004 1110228 20 23:22:01 168716 0 577160 30.67 2620 1133048 1075316 36.70 401772 1112844 12 23:23:01 169020 0 576856 30.66 2620 1133048 1066172 36.39 414252 1100188 16 23:24:01 168296 0 577572 30.70 2620 1133056 1066112 36.38 412208 1102944 8 23:25:01 69232 0 663916 35.29 2620 1145776 1504740 51.35 498384 1102856 23060 Average: 151431 0 592325 31.48 2620 1135168 1150281 39.26 421774 1107887 3856 23:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:02 eth0 589.73 346.59 1039.97 103.03 0.00 0.00 0.00 0.00 23:20:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:02 docker0 2.13 1.63 0.42 4.06 0.00 0.00 0.00 0.00 23:21:01 eth0 3.22 0.83 0.98 0.60 0.00 0.00 0.00 0.00 23:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 eth0 1.38 0.28 0.35 0.23 0.00 0.00 0.00 0.00 23:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 eth0 0.98 0.52 0.54 0.36 0.00 0.00 0.00 0.00 23:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:01 eth0 0.27 0.13 0.07 0.04 0.00 0.00 0.00 0.00 23:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:25:01 eth0 150.29 123.33 1575.82 11.99 0.00 0.00 0.00 0.00 23:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 124.69 78.86 437.67 19.43 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 0.36 0.27 0.07 0.68 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) 01/04/21 _x86_64_ (4 CPU) 23:18:30 LINUX RESTART (4 CPU) 23:19:01 CPU %user %nice %system %iowait %steal %idle 23:20:02 all 10.99 0.00 3.55 1.31 0.03 84.12 23:20:02 0 11.25 0.00 3.89 2.58 0.02 82.26 23:20:02 1 8.72 0.00 3.59 0.62 0.02 87.05 23:20:02 2 12.76 0.00 3.08 0.81 0.03 83.32 23:20:02 3 11.21 0.00 3.66 1.25 0.03 83.84 23:21:01 all 0.17 0.00 0.07 0.00 0.04 99.72 23:21:01 0 0.08 0.00 0.07 0.00 0.00 99.85 23:21:01 1 0.07 0.00 0.05 0.00 0.00 99.88 23:21:01 2 0.41 0.00 0.08 0.00 0.10 99.41 23:21:01 3 0.12 0.00 0.08 0.00 0.07 99.73 23:22:01 all 0.17 0.00 0.04 0.00 0.01 99.79 23:22:01 0 0.03 0.00 0.05 0.00 0.02 99.90 23:22:01 1 0.55 0.00 0.03 0.00 0.00 99.42 23:22:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:22:01 3 0.03 0.00 0.03 0.00 0.02 99.92 23:23:01 all 0.15 0.00 0.06 0.00 0.01 99.78 23:23:01 0 0.05 0.00 0.03 0.00 0.02 99.90 23:23:01 1 0.50 0.00 0.05 0.00 0.02 99.43 23:23:01 2 0.05 0.00 0.07 0.00 0.00 99.88 23:23:01 3 0.02 0.00 0.08 0.00 0.00 99.90 23:24:01 all 0.16 0.00 0.10 0.00 0.01 99.73 23:24:01 0 0.03 0.00 0.17 0.00 0.00 99.80 23:24:01 1 0.50 0.00 0.03 0.00 0.00 99.47 23:24:01 2 0.07 0.00 0.12 0.00 0.02 99.80 23:24:01 3 0.05 0.00 0.08 0.00 0.02 99.85 23:25:01 all 1.91 0.00 1.14 1.00 0.00 95.95 23:25:01 0 1.42 0.00 1.19 0.17 0.00 97.23 23:25:01 1 2.13 0.00 0.80 0.93 0.00 96.13 23:25:01 2 2.17 0.00 1.32 0.72 0.00 95.79 23:25:01 3 1.91 0.00 1.27 2.17 0.02 94.63 Average: all 2.25 0.00 0.82 0.38 0.02 96.53 Average: 0 2.14 0.00 0.90 0.45 0.01 96.51 Average: 1 2.07 0.00 0.76 0.26 0.01 96.91 Average: 2 2.58 0.00 0.78 0.25 0.03 96.36 Average: 3 2.21 0.00 0.87 0.57 0.03 96.33