---> uname -a: Linux prd-centos7-docker-4c-2g-12264.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% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa-host /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 ---> free -m: total used free shared buff/cache available Mem: 1837 804 136 0 896 979 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:e5:e4:c8 brd ff:ff:ff:ff:ff:ff inet 10.30.122.74/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85819sec preferred_lft 85819sec inet6 fe80::f816:3eff:fee5:e4c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:ba:fd:88:8b 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:baff:fefd:888b/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) 11/16/20 _x86_64_ (4 CPU) 16:22:30 LINUX RESTART (4 CPU) 16:23:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:24:01 111.27 44.45 66.82 0.00 7646.13 24963.57 0.00 16:25:01 0.83 0.00 0.83 0.00 0.00 17.30 0.00 16:26:01 0.24 0.00 0.24 0.00 0.00 3.66 0.00 16:27:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 16:28:01 0.15 0.00 0.15 0.00 0.00 2.11 0.00 16:29:01 0.37 0.00 0.37 0.00 0.00 5.40 0.00 16:30:01 0.30 0.02 0.28 0.00 0.13 3.25 0.00 16:31:01 335.05 192.29 142.75 0.00 9451.16 36121.45 0.00 16:32:01 201.81 79.94 121.88 0.00 4687.67 31924.97 0.00 Average: 72.42 35.27 37.15 0.00 2426.26 10363.02 0.00 16:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:24:01 162096 0 576668 30.65 2620 1140172 1115804 38.08 440096 1119804 128 16:25:01 165140 0 573532 30.48 2620 1140264 1096688 37.43 439768 1117264 20 16:26:01 165564 0 573100 30.46 2620 1140272 1096800 37.43 440152 1117248 20 16:27:01 164036 0 574628 30.54 2620 1140272 1093736 37.33 442108 1116488 16 16:28:01 164088 0 574568 30.54 2620 1140280 1093760 37.33 446232 1112360 12 16:29:01 163776 0 574876 30.55 2620 1140284 1092744 37.29 446676 1112268 16 16:30:01 164076 0 574568 30.54 2620 1140292 1092744 37.29 451844 1107044 12 16:31:01 332444 0 671088 35.67 2596 875428 1426844 48.70 553300 784812 44 16:32:01 221472 0 745480 39.62 1496 913108 1265512 43.19 624624 728604 52 Average: 189188 0 604279 32.12 2492 1085597 1152737 39.34 476089 1035099 36 16:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:24:01 eth0 484.09 293.64 1055.93 90.44 0.00 0.00 0.00 0.00 16:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:01 docker0 2.13 1.76 0.39 3.82 0.00 0.00 0.00 0.00 16:25:01 eth0 4.53 1.08 1.47 0.78 0.00 0.00 0.00 0.00 16:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 eth0 4.59 1.29 1.57 1.03 0.00 0.00 0.00 0.00 16:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 eth0 2.50 0.57 0.65 0.40 0.00 0.00 0.00 0.00 16:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 eth0 1.33 0.28 0.35 0.17 0.00 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 eth0 3.86 1.30 1.61 1.04 0.00 0.00 0.00 0.00 16:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 eth0 1.95 0.65 0.64 0.40 0.00 0.00 0.00 0.00 16:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:01 veth1d99c83 0.47 0.58 0.08 0.19 0.00 0.00 0.00 0.00 16:31:01 eth0 476.04 408.35 4353.31 42.26 0.00 0.00 0.00 0.00 16:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:01 docker0 32.95 33.17 2.94 156.65 0.00 0.00 0.00 0.00 16:32:01 vethd629eb7 2.01 1.50 0.31 0.27 0.00 0.00 0.00 0.00 16:32:01 eth0 491.48 437.40 3425.45 148.36 0.00 0.00 0.00 0.00 16:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 docker0 24.94 27.13 1.45 165.48 0.00 0.00 0.00 0.00 Average: vethd629eb7 0.22 0.17 0.03 0.03 0.00 0.00 0.00 0.00 Average: eth0 163.76 127.48 984.69 31.73 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 6.68 6.91 0.53 36.30 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) 11/16/20 _x86_64_ (4 CPU) 16:22:30 LINUX RESTART (4 CPU) 16:23:01 CPU %user %nice %system %iowait %steal %idle 16:24:01 all 15.02 0.00 7.60 2.75 0.05 74.57 16:24:01 0 15.99 0.00 8.39 4.53 0.05 71.03 16:24:01 1 15.62 0.00 7.82 1.13 0.05 75.38 16:24:01 2 13.52 0.00 7.75 3.02 0.03 75.67 16:24:01 3 14.96 0.00 6.46 2.32 0.05 76.21 16:25:01 all 0.18 0.00 0.06 0.00 0.02 99.74 16:25:01 0 0.15 0.00 0.07 0.00 0.00 99.78 16:25:01 1 0.43 0.00 0.07 0.00 0.03 99.47 16:25:01 2 0.07 0.00 0.03 0.00 0.02 99.88 16:25:01 3 0.07 0.00 0.08 0.00 0.02 99.83 16:26:01 all 0.19 0.00 0.04 0.00 0.02 99.75 16:26:01 0 0.05 0.00 0.02 0.00 0.02 99.92 16:26:01 1 0.12 0.00 0.03 0.00 0.02 99.83 16:26:01 2 0.51 0.00 0.03 0.00 0.03 99.42 16:26:01 3 0.10 0.00 0.07 0.00 0.00 99.83 16:27:01 all 0.18 0.00 0.03 0.00 0.00 99.79 16:27:01 0 0.05 0.00 0.02 0.00 0.00 99.93 16:27:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:27:01 2 0.57 0.00 0.03 0.00 0.00 99.40 16:27:01 3 0.07 0.00 0.03 0.00 0.02 99.88 16:28:01 all 0.15 0.00 0.04 0.00 0.00 99.80 16:28:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:28:01 1 0.08 0.00 0.03 0.00 0.00 99.88 16:28:01 2 0.43 0.00 0.07 0.00 0.00 99.50 16:28:01 3 0.07 0.00 0.03 0.00 0.00 99.90 16:29:01 all 0.19 0.00 0.05 0.00 0.00 99.75 16:29:01 0 0.08 0.00 0.02 0.00 0.00 99.90 16:29:01 1 0.08 0.00 0.05 0.00 0.00 99.87 16:29:01 2 0.53 0.00 0.10 0.00 0.02 99.35 16:29:01 3 0.05 0.00 0.05 0.00 0.00 99.90 16:30:01 all 0.18 0.00 0.04 0.00 0.00 99.78 16:30:01 0 0.07 0.00 0.03 0.00 0.00 99.90 16:30:01 1 0.05 0.00 0.02 0.00 0.00 99.93 16:30:01 2 0.55 0.00 0.05 0.00 0.00 99.40 16:30:01 3 0.07 0.00 0.05 0.00 0.00 99.88 16:31:01 all 11.95 0.00 9.30 3.48 0.07 75.20 16:31:01 0 12.47 0.00 9.17 3.39 0.05 74.92 16:31:01 1 11.40 0.00 8.96 2.69 0.09 76.86 16:31:01 2 12.59 0.00 9.50 3.78 0.05 74.08 16:31:01 3 11.35 0.00 9.57 4.07 0.09 74.92 16:32:01 all 12.01 0.00 9.38 2.30 0.08 76.23 16:32:01 0 11.59 0.00 9.09 1.99 0.05 77.27 16:32:01 1 10.90 0.00 8.82 2.32 0.07 77.89 16:32:01 2 11.29 0.00 9.35 2.22 0.09 77.06 16:32:01 3 14.26 0.00 10.26 2.68 0.10 72.69 Average: all 4.40 0.00 2.91 0.94 0.03 91.72 Average: 0 4.44 0.00 2.94 1.09 0.02 91.51 Average: 1 4.26 0.00 2.84 0.67 0.03 92.20 Average: 2 4.41 0.00 2.96 0.99 0.03 91.61 Average: 3 4.50 0.00 2.92 0.99 0.03 91.56