---> uname -a: Linux prd-centos7-docker-4c-2g-9415.vexxhost.local 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 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: 2933.436 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 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /facter-os /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/auth.log /dev/vda1 50.0G 7.2G 42.8G 14% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-179 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-179@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 674 110 0 1053 1059 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:eb:73:74 brd ff:ff:ff:ff:ff:ff inet 10.30.123.37/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85981sec preferred_lft 85981sec inet6 fe80::f816:3eff:feeb:7374/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:09:ee:76:48 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::42:9ff:feee:7648/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/28/20 _x86_64_ (4 CPU) 04:09:04 LINUX RESTART (4 CPU) 04:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:11:01 26.82 10.82 16.00 0.00 4443.95 2108.13 0.00 04:12:01 1.73 0.00 1.73 0.00 0.00 33.41 0.00 04:13:01 0.25 0.00 0.25 0.00 0.00 4.26 0.00 04:14:01 0.37 0.00 0.37 0.00 0.00 6.48 0.00 04:15:01 0.30 0.00 0.30 0.00 0.00 4.98 0.00 04:16:01 43.80 41.92 1.88 0.00 4237.19 512.20 0.00 Average: 12.17 8.79 3.39 0.00 1438.88 440.39 0.00 04:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:11:01 154336 0 584036 31.04 2620 1140564 1107636 37.80 448176 1119188 24 04:12:01 159588 0 578776 30.76 2620 1140572 1072024 36.59 447816 1115100 20 04:13:01 159828 0 578532 30.75 2620 1140576 1072024 36.59 447836 1114996 8 04:14:01 157500 0 580860 30.87 2620 1140576 1072228 36.59 454716 1110404 8 04:15:01 158220 0 580132 30.83 2620 1140584 1072108 36.59 456216 1108404 12 04:16:01 65748 0 650708 34.58 2620 1162480 1490588 50.87 512000 1142748 30092 Average: 142537 0 592174 31.47 2620 1144225 1147768 39.17 461127 1118473 5027 04:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:11:01 eth0 79.35 64.47 346.40 34.53 0.00 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 2.61 1.96 0.40 3.88 0.00 0.00 0.00 0.00 04:12:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 eth0 0.85 0.08 0.07 0.01 0.00 0.00 0.00 0.00 04:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 eth0 1.37 0.73 0.62 0.41 0.00 0.00 0.00 0.00 04:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 eth0 0.20 0.12 0.13 0.07 0.00 0.00 0.00 0.00 04:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 eth0 70.68 58.81 650.32 7.24 0.00 0.00 0.00 0.00 04:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 25.28 20.60 165.80 6.97 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 0.43 0.32 0.07 0.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/28/20 _x86_64_ (4 CPU) 04:09:04 LINUX RESTART (4 CPU) 04:10:02 CPU %user %nice %system %iowait %steal %idle 04:11:01 all 2.45 0.00 1.60 0.63 0.03 95.29 04:11:01 0 2.50 0.00 1.34 0.10 0.03 96.02 04:11:01 1 2.40 0.00 1.92 0.37 0.03 95.27 04:11:01 2 2.40 0.00 1.82 1.94 0.05 93.78 04:11:01 3 2.51 0.00 1.30 0.09 0.02 96.10 04:12:01 all 0.15 0.00 0.04 0.00 0.01 99.80 04:12:01 0 0.03 0.00 0.07 0.00 0.00 99.90 04:12:01 1 0.05 0.00 0.05 0.00 0.02 99.88 04:12:01 2 0.17 0.00 0.03 0.00 0.00 99.80 04:12:01 3 0.37 0.00 0.02 0.00 0.02 99.60 04:13:01 all 0.15 0.00 0.03 0.00 0.00 99.82 04:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:13:01 1 0.05 0.00 0.05 0.00 0.00 99.90 04:13:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:13:01 3 0.52 0.00 0.03 0.00 0.00 99.45 04:14:01 all 0.16 0.00 0.04 0.00 0.00 99.80 04:14:01 0 0.05 0.00 0.05 0.00 0.00 99.90 04:14:01 1 0.05 0.00 0.07 0.00 0.02 99.87 04:14:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:14:01 3 0.52 0.00 0.02 0.00 0.00 99.47 04:15:01 all 0.15 0.00 0.05 0.00 0.01 99.80 04:15:01 0 0.03 0.00 0.02 0.00 0.02 99.93 04:15:01 1 0.00 0.00 0.08 0.00 0.00 99.92 04:15:01 2 0.05 0.00 0.05 0.00 0.02 99.88 04:15:01 3 0.52 0.00 0.03 0.00 0.00 99.45 04:16:01 all 1.29 0.00 0.59 0.95 0.00 97.17 04:16:01 0 1.59 0.00 0.80 1.27 0.00 96.34 04:16:01 1 1.07 0.00 0.57 1.55 0.00 96.81 04:16:01 2 0.62 0.00 0.48 0.92 0.00 97.98 04:16:01 3 1.90 0.00 0.50 0.07 0.00 97.53 Average: all 0.72 0.00 0.39 0.26 0.01 98.62 Average: 0 0.70 0.00 0.38 0.23 0.01 98.69 Average: 1 0.60 0.00 0.45 0.32 0.01 98.62 Average: 2 0.54 0.00 0.40 0.47 0.01 98.57 Average: 3 1.05 0.00 0.31 0.03 0.01 98.61