---> uname -a: Linux prd-centos7-docker-4c-2g-18032.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/xfoundry_device-modbus-go_PR-171@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 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-171 ---> free -m: total used free shared buff/cache available Mem: 1837 721 104 0 1012 1011 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:2c:24:5b brd ff:ff:ff:ff:ff:ff inet 10.30.123.123/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85870sec preferred_lft 85870sec inet6 fe80::f816:3eff:fe2c:245b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:2c:f1:eb:97 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::42:2cff:fef1:eb97/64 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) 01/03/21 _x86_64_ (4 CPU) 00:53:56 LINUX RESTART (4 CPU) 00:55:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:56:01 31.97 12.25 19.73 0.00 4446.22 2243.61 0.00 00:57:01 0.43 0.00 0.43 0.00 0.00 5.97 0.00 00:58:01 0.43 0.00 0.43 0.00 0.00 4.79 0.00 00:59:01 0.23 0.00 0.23 0.00 0.00 3.31 0.00 01:00:01 0.28 0.03 0.25 0.00 0.27 3.04 0.00 01:01:01 0.35 0.02 0.33 0.00 0.13 5.11 0.00 01:02:02 0.45 0.08 0.37 0.00 1.60 5.06 0.00 Average: 4.82 1.74 3.07 0.00 626.53 319.92 0.00 00:55:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:56:01 162532 0 625672 33.25 2620 1090720 1137084 38.81 431460 1088952 16 00:57:01 163796 0 624400 33.19 2620 1090728 1132300 38.64 447324 1071768 8 00:58:01 170504 0 617688 32.83 2620 1090732 1076788 36.75 438968 1074628 20 00:59:01 168496 0 619696 32.94 2620 1090732 1076968 36.76 450060 1065872 8 01:00:01 167676 0 620508 32.98 2620 1090740 1077024 36.76 453952 1062420 12 01:01:01 168616 0 619552 32.93 2620 1090756 1079556 36.84 453556 1062424 12 01:02:02 169164 0 618880 32.89 2620 1090880 1077296 36.77 452984 1062484 8 Average: 167255 0 620914 33.00 2620 1090755 1093859 37.33 446901 1069793 12 00:55:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:56:01 eth0 73.00 61.17 350.64 41.52 0.00 0.00 0.00 0.00 00:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:56:01 docker0 2.32 2.01 0.45 4.30 0.00 0.00 0.00 0.00 00:57:01 eth0 0.73 0.68 2.01 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 0.63 0.08 0.06 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 1.22 0.45 0.33 0.21 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 0.70 0.48 0.40 0.27 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 0.08 0.07 0.01 0.01 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 01:02:02 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 01:02:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 10.77 8.87 49.79 5.93 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 0.33 0.28 0.06 0.61 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) 01/03/21 _x86_64_ (4 CPU) 00:53:56 LINUX RESTART (4 CPU) 00:55:02 CPU %user %nice %system %iowait %steal %idle 00:56:01 all 2.43 0.00 2.15 0.66 4.40 90.36 00:56:01 0 1.88 0.00 2.08 0.24 4.79 91.01 00:56:01 1 2.39 0.00 1.73 1.66 4.27 89.96 00:56:01 2 3.23 0.00 2.72 0.41 4.05 89.58 00:56:01 3 2.24 0.00 2.07 0.34 4.47 90.88 00:57:01 all 0.07 0.00 0.06 0.00 0.42 99.45 00:57:01 0 0.03 0.00 0.03 0.00 0.33 99.60 00:57:01 1 0.18 0.00 0.05 0.00 0.63 99.13 00:57:01 2 0.03 0.00 0.08 0.00 0.35 99.53 00:57:01 3 0.03 0.00 0.07 0.00 0.38 99.52 00:58:01 all 0.11 0.00 0.15 0.00 0.47 99.28 00:58:01 0 0.03 0.00 0.23 0.00 0.55 99.19 00:58:01 1 0.32 0.00 0.05 0.00 0.23 99.40 00:58:01 2 0.05 0.00 0.10 0.00 0.63 99.22 00:58:01 3 0.03 0.00 0.20 0.00 0.47 99.30 00:59:01 all 0.07 0.00 0.03 0.00 0.21 99.68 00:59:01 0 0.02 0.00 0.03 0.00 0.17 99.78 00:59:01 1 0.20 0.00 0.02 0.00 0.22 99.57 00:59:01 2 0.07 0.00 0.08 0.00 0.38 99.47 00:59:01 3 0.02 0.00 0.00 0.00 0.07 99.92 01:00:01 all 0.10 0.00 0.15 0.00 0.49 99.25 01:00:01 0 0.23 0.00 0.12 0.00 0.56 99.09 01:00:01 1 0.12 0.00 0.15 0.00 0.60 99.14 01:00:01 2 0.03 0.00 0.23 0.02 0.48 99.24 01:00:01 3 0.03 0.00 0.10 0.00 0.33 99.53 01:01:01 all 0.07 0.00 0.02 0.00 0.42 99.49 01:01:01 0 0.03 0.00 0.05 0.00 0.83 99.09 01:01:01 1 0.02 0.00 0.02 0.00 0.27 99.70 01:01:01 2 0.22 0.00 0.02 0.00 0.43 99.33 01:01:01 3 0.02 0.00 0.02 0.00 0.15 99.82 01:02:02 all 0.11 0.00 0.04 0.00 0.36 99.49 01:02:02 0 0.05 0.00 0.05 0.00 0.56 99.34 01:02:02 1 0.02 0.00 0.02 0.00 0.08 99.88 01:02:02 2 0.33 0.00 0.05 0.00 0.32 99.30 01:02:02 3 0.03 0.00 0.03 0.02 0.46 99.45 Average: all 0.42 0.00 0.37 0.09 0.96 98.16 Average: 0 0.32 0.00 0.37 0.03 1.10 98.17 Average: 1 0.46 0.00 0.29 0.23 0.89 98.13 Average: 2 0.56 0.00 0.46 0.06 0.94 97.98 Average: 3 0.34 0.00 0.35 0.05 0.90 98.36