---> uname -a: Linux prd-centos7-docker-4c-2g-12337.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: 2933.442 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 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/xfoundry_device-modbus-go_PR-171 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/xfoundry_device-modbus-go_PR-171@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 690 121 0 1026 1043 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:9f:0d:b1 brd ff:ff:ff:ff:ff:ff inet 10.30.123.129/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85943sec preferred_lft 85943sec inet6 fe80::f816:3eff:fe9f:db1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:4c:65:bb:7f 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::42:4cff:fe65:bb7f/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) 11/17/20 _x86_64_ (4 CPU) 00:54:40 LINUX RESTART (4 CPU) 00:56:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:57:01 3.84 0.00 3.84 0.00 0.00 125.09 0.00 00:58:01 0.47 0.00 0.47 0.00 0.00 6.29 0.00 00:59:01 0.25 0.00 0.25 0.00 0.00 2.98 0.00 01:00:01 0.25 0.00 0.25 0.00 0.00 3.63 0.00 01:01:01 0.35 0.05 0.30 0.00 0.67 4.30 0.00 01:02:01 0.63 0.10 0.53 0.00 1.73 7.74 0.00 Average: 0.95 0.03 0.92 0.00 0.40 24.44 0.00 00:56:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:57:01 167424 0 587420 31.22 2620 1124092 1087532 37.12 428212 1127116 20 00:58:01 166740 0 588096 31.26 2620 1124100 1079308 36.83 432536 1123636 12 00:59:01 166792 0 588036 31.25 2620 1124108 1079564 36.84 432676 1123636 8 01:00:01 164288 0 590540 31.39 2620 1124108 1079756 36.85 441768 1116920 8 01:01:01 163948 0 590872 31.40 2620 1124116 1081976 36.93 442784 1115912 8 01:02:01 165788 0 588884 31.30 2620 1124264 1080072 36.86 441920 1115988 8 Average: 165830 0 588975 31.30 2620 1124131 1081368 36.91 436649 1120535 11 00:56:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:57:01 eth0 1.10 0.57 1.00 0.05 0.00 0.00 0.00 0.00 00:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:58:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 00:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:59:01 eth0 0.85 0.08 0.07 0.01 0.00 0.00 0.00 0.00 00:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 eth0 1.42 0.58 0.58 0.37 0.00 0.00 0.00 0.00 01:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 eth0 0.27 0.18 0.14 0.10 0.00 0.00 0.00 0.00 01:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.63 0.26 0.30 0.09 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 11/17/20 _x86_64_ (4 CPU) 00:54:40 LINUX RESTART (4 CPU) 00:56:03 CPU %user %nice %system %iowait %steal %idle 00:57:01 all 0.19 0.00 0.05 0.00 0.01 99.75 00:57:01 0 0.07 0.00 0.05 0.00 0.00 99.88 00:57:01 1 0.05 0.00 0.05 0.00 0.02 99.88 00:57:01 2 0.53 0.00 0.07 0.00 0.02 99.38 00:57:01 3 0.09 0.00 0.03 0.00 0.00 99.88 00:58:01 all 0.15 0.00 0.04 0.00 0.00 99.81 00:58:01 0 0.03 0.00 0.03 0.00 0.02 99.92 00:58:01 1 0.07 0.00 0.05 0.00 0.00 99.88 00:58:01 2 0.45 0.00 0.03 0.00 0.00 99.52 00:58:01 3 0.03 0.00 0.03 0.00 0.00 99.93 00:59:01 all 0.14 0.00 0.04 0.00 0.00 99.82 00:59:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:59:01 1 0.05 0.00 0.07 0.00 0.00 99.88 00:59:01 2 0.45 0.00 0.05 0.00 0.00 99.50 00:59:01 3 0.05 0.00 0.02 0.00 0.00 99.93 01:00:01 all 0.16 0.00 0.04 0.00 0.00 99.80 01:00:01 0 0.03 0.00 0.05 0.00 0.00 99.92 01:00:01 1 0.07 0.00 0.07 0.00 0.00 99.87 01:00:01 2 0.48 0.00 0.03 0.00 0.00 99.48 01:00:01 3 0.05 0.00 0.02 0.00 0.00 99.93 01:01:01 all 0.05 0.00 0.06 0.00 0.00 99.88 01:01:01 0 0.02 0.00 0.08 0.00 0.00 99.90 01:01:01 1 0.05 0.00 0.05 0.00 0.00 99.90 01:01:01 2 0.03 0.00 0.03 0.00 0.00 99.93 01:01:01 3 0.12 0.00 0.08 0.00 0.00 99.80 01:02:01 all 0.05 0.00 0.05 0.00 0.00 99.90 01:02:01 0 0.02 0.00 0.02 0.00 0.00 99.97 01:02:01 1 0.03 0.00 0.07 0.02 0.00 99.88 01:02:01 2 0.03 0.00 0.03 0.00 0.00 99.93 01:02:01 3 0.10 0.00 0.07 0.00 0.00 99.83 Average: all 0.12 0.00 0.05 0.00 0.00 99.83 Average: 0 0.03 0.00 0.04 0.00 0.00 99.92 Average: 1 0.05 0.00 0.06 0.00 0.00 99.88 Average: 2 0.33 0.00 0.04 0.00 0.00 99.63 Average: 3 0.07 0.00 0.04 0.00 0.00 99.89