---> uname -a: Linux prd-centos7-docker-4c-2g-18101.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% /w/workspace/gexfoundry_device-mqtt-go_PR-198 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-198@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 ---> free -m: total used free shared buff/cache available Mem: 1837 705 112 0 1018 1026 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:72:25:cd brd ff:ff:ff:ff:ff:ff inet 10.30.123.95/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86014sec preferred_lft 86014sec inet6 fe80::f816:3eff:fe72:25cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:0e:59:e3:f7 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:eff:fe59:e3f7/64 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) 06:10:51 LINUX RESTART (4 CPU) 06:12:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:13:01 3.26 0.07 3.20 0.00 2.13 103.96 0.00 06:14:01 0.47 0.00 0.47 0.00 0.00 6.60 0.00 06:15:01 0.25 0.00 0.25 0.00 0.00 2.71 0.00 06:16:01 0.27 0.00 0.27 0.00 0.00 3.60 0.00 06:17:01 26.43 26.14 0.28 0.00 2981.25 4.53 0.00 Average: 6.14 5.24 0.89 0.00 596.70 24.28 0.00 06:12:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:13:01 165068 0 590216 31.37 2620 1123640 1089600 37.19 422760 1095596 12 06:14:01 165620 0 589656 31.34 2620 1123648 1080456 36.87 423156 1095040 8 06:15:01 163468 0 591804 31.45 2620 1123652 1080492 36.88 438716 1081380 8 06:16:01 163796 0 591476 31.44 2620 1123652 1080528 36.88 437444 1082876 8 06:17:01 76316 0 614340 32.65 2620 1188268 1115504 38.07 456804 1150588 68 Average: 146854 0 595498 31.65 2620 1136572 1089316 37.18 435776 1101096 21 06:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:13:01 eth0 3.30 1.30 2.35 0.09 0.00 0.00 0.00 0.00 06:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 eth0 1.75 0.30 0.40 0.17 0.00 0.00 0.00 0.00 06:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 eth0 3.00 0.53 0.75 0.42 0.00 0.00 0.00 0.00 06:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:16:01 eth0 2.50 0.92 0.93 0.60 0.00 0.00 0.00 0.00 06:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 eth0 7.08 3.48 5.31 2.23 0.00 0.00 0.00 0.00 06:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.52 1.31 1.95 0.70 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) 01/04/21 _x86_64_ (4 CPU) 06:10:51 LINUX RESTART (4 CPU) 06:12:01 CPU %user %nice %system %iowait %steal %idle 06:13:01 all 0.20 0.00 0.06 0.00 0.00 99.74 06:13:01 0 0.05 0.00 0.05 0.00 0.00 99.90 06:13:01 1 0.53 0.00 0.07 0.00 0.02 99.38 06:13:01 2 0.10 0.00 0.10 0.00 0.00 99.80 06:13:01 3 0.10 0.00 0.03 0.00 0.00 99.87 06:14:01 all 0.15 0.00 0.05 0.00 0.00 99.81 06:14:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:14:01 1 0.50 0.00 0.05 0.00 0.00 99.45 06:14:01 2 0.03 0.00 0.05 0.00 0.00 99.92 06:14:01 3 0.02 0.00 0.05 0.00 0.00 99.93 06:15:01 all 0.17 0.00 0.11 0.00 0.00 99.72 06:15:01 0 0.03 0.00 0.08 0.00 0.00 99.88 06:15:01 1 0.50 0.00 0.12 0.00 0.00 99.38 06:15:01 2 0.10 0.00 0.13 0.00 0.02 99.75 06:15:01 3 0.05 0.00 0.10 0.00 0.00 99.85 06:16:01 all 0.19 0.00 0.04 0.00 0.00 99.77 06:16:01 0 0.08 0.00 0.03 0.00 0.00 99.88 06:16:01 1 0.55 0.00 0.02 0.00 0.00 99.43 06:16:01 2 0.07 0.00 0.07 0.00 0.00 99.87 06:16:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:17:01 all 0.62 0.00 0.35 0.63 0.00 98.40 06:17:01 0 0.43 0.00 0.28 0.73 0.00 98.55 06:17:01 1 1.02 0.00 0.32 0.43 0.00 98.23 06:17:01 2 0.78 0.00 0.55 1.35 0.00 97.32 06:17:01 3 0.23 0.00 0.23 0.02 0.02 99.50 Average: all 0.26 0.00 0.12 0.13 0.00 99.49 Average: 0 0.13 0.00 0.10 0.15 0.00 99.63 Average: 1 0.62 0.00 0.11 0.09 0.00 99.18 Average: 2 0.22 0.00 0.18 0.27 0.00 99.33 Average: 3 0.09 0.00 0.09 0.00 0.00 99.81