---> uname -a: Linux prd-centos7-docker-4c-2g-14989.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/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 687 99 0 1050 1045 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:ff:35:af brd ff:ff:ff:ff:ff:ff inet 10.30.122.42/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86059sec preferred_lft 86059sec inet6 fe80::f816:3eff:feff:35af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:78:4f:a8:59 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::42:78ff:fe4f:a859/64 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) 12/07/20 _x86_64_ (4 CPU) 23:20:19 LINUX RESTART (4 CPU) 23:21:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:22:01 30.68 12.24 18.44 0.00 4530.31 2907.62 0.00 23:23:01 1.88 0.00 1.88 0.00 0.00 36.33 0.00 23:24:01 0.23 0.00 0.23 0.00 0.00 3.00 0.00 23:25:01 0.28 0.00 0.28 0.00 0.00 3.20 0.00 23:26:02 116.02 69.79 46.22 0.00 5907.12 15861.64 0.00 Average: 29.87 16.46 13.42 0.00 2082.03 3773.39 0.00 23:21:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:22:01 169656 0 584024 31.04 2620 1125244 1109024 37.85 427216 1085652 8 23:23:01 177324 0 576348 30.63 2620 1125252 1074440 36.67 424588 1082136 8 23:24:01 175468 0 578200 30.73 2620 1125256 1074548 36.67 426440 1082528 8 23:25:01 175216 0 578452 30.74 2620 1125256 1074536 36.67 439608 1069300 8 23:26:02 165680 0 680732 36.18 2620 1032512 1269228 43.32 446712 1009260 54144 Average: 172669 0 599551 31.86 2620 1106704 1120355 38.24 432913 1065775 10835 23:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:22:01 eth0 166.71 123.20 463.38 41.47 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 2.29 2.01 0.42 4.08 0.00 0.00 0.00 0.00 23:23:01 eth0 0.62 0.00 0.05 0.00 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 0.57 0.38 0.27 0.20 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 0.28 0.22 0.13 0.07 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 23:26:02 eth0 213.83 174.84 2164.61 17.99 0.00 0.00 0.00 0.00 23:26:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:26:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 76.20 59.60 527.01 11.85 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 0.45 0.40 0.08 0.81 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) 12/07/20 _x86_64_ (4 CPU) 23:20:19 LINUX RESTART (4 CPU) 23:21:02 CPU %user %nice %system %iowait %steal %idle 23:22:01 all 3.31 0.00 2.23 0.55 0.01 93.90 23:22:01 0 3.48 0.00 2.24 1.30 0.02 92.96 23:22:01 1 3.17 0.00 2.39 0.07 0.02 94.35 23:22:01 2 3.80 0.00 1.82 0.26 0.00 94.12 23:22:01 3 2.78 0.00 2.45 0.60 0.02 94.15 23:23:01 all 0.15 0.00 0.05 0.00 0.00 99.80 23:23:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:23:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:23:01 2 0.50 0.00 0.05 0.00 0.00 99.45 23:23:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:24:01 all 0.18 0.00 0.04 0.00 0.00 99.78 23:24:01 0 0.08 0.00 0.02 0.00 0.00 99.90 23:24:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:24:01 2 0.05 0.00 0.03 0.00 0.02 99.90 23:24:01 3 0.55 0.00 0.05 0.00 0.00 99.40 23:25:01 all 0.16 0.00 0.04 0.00 0.00 99.80 23:25:01 0 0.02 0.00 0.05 0.00 0.00 99.93 23:25:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:25:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:25:01 3 0.53 0.00 0.03 0.00 0.00 99.43 23:26:02 all 5.40 0.00 3.61 1.62 0.02 89.35 23:26:02 0 5.31 0.00 3.54 1.34 0.02 89.79 23:26:02 1 5.04 0.00 3.61 0.99 0.02 90.34 23:26:02 2 5.28 0.00 3.78 2.42 0.02 88.51 23:26:02 3 5.99 0.00 3.49 1.75 0.02 88.75 Average: all 1.83 0.00 1.18 0.43 0.01 96.55 Average: 0 1.77 0.00 1.17 0.52 0.01 96.53 Average: 1 1.66 0.00 1.22 0.21 0.01 96.90 Average: 2 1.92 0.00 1.14 0.53 0.01 96.40 Average: 3 1.97 0.00 1.20 0.47 0.01 96.36