---> uname -a: Linux prd-centos7-docker-4c-2g-5854.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: 2933.438 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 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /facter-os /dev/vda1 50.0G 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/secure /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.5G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-mqtt-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 786 160 0 890 987 Swap: 1023 3 1020 ---> 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:6e:3a:9e brd ff:ff:ff:ff:ff:ff inet 10.30.122.168/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85858sec preferred_lft 85858sec inet6 fe80::f816:3eff:fe6e:3a9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:6d:2f:38:1b 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::42:6dff:fe2f:381b/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) 10/16/20 _x86_64_ (4 CPU) 09:30:09 LINUX RESTART (4 CPU) 09:31:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:32:01 29.07 10.62 18.45 0.00 4363.50 2066.03 0.00 09:33:01 1.81 0.00 1.81 0.00 0.00 34.11 0.00 09:34:01 0.57 0.00 0.57 0.00 0.00 8.29 0.00 09:35:01 0.23 0.00 0.23 0.00 0.00 2.98 0.00 09:36:01 0.27 0.00 0.27 0.00 0.00 3.43 0.00 09:37:01 0.67 0.03 0.63 0.00 16.12 13.44 0.00 09:38:01 237.67 131.64 106.03 0.00 7286.28 32507.17 0.00 09:39:02 196.26 74.32 121.93 0.00 4573.01 32648.01 0.00 Average: 58.34 27.09 31.25 0.00 2030.41 8413.65 0.00 09:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:01 165012 0 580236 30.84 2620 1133688 1122500 38.31 414264 1142988 20 09:33:01 167564 0 577680 30.70 2620 1133692 1101544 37.59 413620 1140988 20 09:34:01 168460 0 576776 30.65 2620 1133700 1101520 37.59 413444 1140920 16 09:35:01 167392 0 577844 30.71 2620 1133700 1094324 37.35 417292 1137848 16 09:36:01 166260 0 578968 30.77 2620 1133708 1082108 36.93 425400 1131812 20 09:37:01 70240 0 648996 34.49 2620 1159700 1499892 51.19 496016 1152972 25524 09:38:01 125320 0 698960 37.15 2596 1054680 1550028 52.90 601468 957224 44 09:39:02 230872 0 734672 39.05 1564 914448 1117624 38.14 598208 764056 28 Average: 157640 0 621766 33.05 2485 1099664 1208692 41.25 472464 1071101 3211 09:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:01 eth0 72.71 56.13 339.70 28.48 0.00 0.00 0.00 0.00 09:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 docker0 1.76 1.53 0.34 3.63 0.00 0.00 0.00 0.00 09:33:01 eth0 3.73 0.48 0.81 0.42 0.00 0.00 0.00 0.00 09:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 eth0 2.86 0.97 1.17 0.78 0.00 0.00 0.00 0.00 09:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 eth0 2.16 0.52 0.63 0.39 0.00 0.00 0.00 0.00 09:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 eth0 0.97 0.43 0.43 0.27 0.00 0.00 0.00 0.00 09:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 eth0 45.81 38.28 376.96 3.68 0.00 0.00 0.00 0.00 09:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:38:01 eth0 511.72 462.10 3712.92 105.10 0.00 0.00 0.00 0.00 09:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:38:01 veth23901b9 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 09:38:01 docker0 27.40 24.57 3.12 81.61 0.00 0.00 0.00 0.00 09:39:02 eth0 481.13 415.11 3462.31 93.18 0.00 0.00 0.00 0.00 09:39:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:39:02 docker0 39.86 47.11 2.44 208.15 0.00 0.00 0.00 0.00 Average: eth0 140.18 121.79 987.21 29.05 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 8.63 9.16 0.74 36.69 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) 10/16/20 _x86_64_ (4 CPU) 09:30:09 LINUX RESTART (4 CPU) 09:31:01 CPU %user %nice %system %iowait %steal %idle 09:32:01 all 2.68 0.00 1.51 0.58 0.02 95.21 09:32:01 0 2.23 0.00 1.47 0.12 0.02 96.17 09:32:01 1 2.53 0.00 1.57 0.37 0.02 95.52 09:32:01 2 3.34 0.00 1.37 1.59 0.02 93.68 09:32:01 3 2.64 0.00 1.62 0.23 0.02 95.48 09:33:01 all 0.17 0.00 0.06 0.00 0.01 99.76 09:33:01 0 0.03 0.00 0.05 0.00 0.00 99.92 09:33:01 1 0.13 0.00 0.07 0.00 0.02 99.78 09:33:01 2 0.43 0.00 0.05 0.00 0.00 99.52 09:33:01 3 0.08 0.00 0.07 0.00 0.02 99.83 09:34:01 all 0.20 0.00 0.05 0.00 0.00 99.75 09:34:01 0 0.07 0.00 0.08 0.00 0.00 99.85 09:34:01 1 0.15 0.00 0.05 0.00 0.02 99.78 09:34:01 2 0.53 0.00 0.02 0.00 0.00 99.45 09:34:01 3 0.07 0.00 0.03 0.00 0.00 99.90 09:35:01 all 0.17 0.00 0.04 0.00 0.00 99.80 09:35:01 0 0.05 0.00 0.05 0.00 0.00 99.90 09:35:01 1 0.05 0.00 0.05 0.00 0.00 99.90 09:35:01 2 0.53 0.00 0.03 0.00 0.00 99.43 09:35:01 3 0.03 0.00 0.02 0.00 0.00 99.95 09:36:01 all 0.18 0.00 0.05 0.00 0.00 99.77 09:36:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:36:01 1 0.08 0.00 0.07 0.00 0.00 99.85 09:36:01 2 0.57 0.00 0.07 0.00 0.00 99.37 09:36:01 3 0.03 0.00 0.07 0.00 0.00 99.90 09:37:01 all 0.40 0.00 0.32 0.00 0.00 99.28 09:37:01 0 0.38 0.00 0.50 0.00 0.00 99.12 09:37:01 1 0.27 0.00 0.22 0.00 0.00 99.52 09:37:01 2 0.57 0.00 0.15 0.00 0.00 99.28 09:37:01 3 0.37 0.00 0.42 0.00 0.00 99.22 09:38:01 all 10.22 0.00 7.32 2.21 0.04 80.21 09:38:01 0 9.40 0.00 7.71 1.69 0.03 81.17 09:38:01 1 9.76 0.00 7.49 1.19 0.03 81.52 09:38:01 2 11.01 0.00 7.03 3.71 0.05 78.20 09:38:01 3 10.71 0.00 7.05 2.24 0.05 79.94 09:39:02 all 10.78 0.00 8.12 2.47 0.06 78.57 09:39:02 0 12.54 0.00 7.59 1.11 0.03 78.72 09:39:02 1 9.67 0.00 7.66 2.71 0.05 79.91 09:39:02 2 10.79 0.00 9.84 2.89 0.07 76.41 09:39:02 3 10.14 0.00 7.39 3.16 0.07 79.25 Average: all 3.06 0.00 2.16 0.65 0.02 94.12 Average: 0 3.04 0.00 2.15 0.36 0.01 94.44 Average: 1 2.80 0.00 2.13 0.53 0.02 94.53 Average: 2 3.44 0.00 2.29 1.01 0.02 93.24 Average: 3 2.97 0.00 2.06 0.70 0.02 94.25