---> uname -a: Linux prd-centos7-docker-4c-2g-4527.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% /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-237 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-237@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 ---> free -m: total used free shared buff/cache available Mem: 1837 725 94 0 1017 1007 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:79:52:33 brd ff:ff:ff:ff:ff:ff inet 10.30.122.161/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86013sec preferred_lft 86013sec inet6 fe80::f816:3eff:fe79:5233/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:89:db:f6:5b 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::42:89ff:fedb:f65b/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) 05/11/21 _x86_64_ (4 CPU) 17:22:25 LINUX RESTART (4 CPU) 17:23:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:24:01 51.04 14.74 36.30 0.00 4618.94 2809.94 0.00 17:25:01 1.93 0.00 1.93 0.00 0.00 35.79 0.00 17:26:01 0.22 0.00 0.22 0.00 0.00 2.58 0.00 17:27:01 0.27 0.00 0.27 0.00 0.00 3.46 0.00 17:28:01 0.22 0.00 0.22 0.00 0.00 2.61 0.00 Average: 10.74 2.95 7.79 0.00 924.25 571.16 0.00 17:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:24:01 154708 0 600516 31.92 2620 1123700 1109564 37.87 407340 1120696 20 17:25:01 159968 0 595248 31.64 2620 1123708 1089588 37.19 408056 1115112 8 17:26:01 154508 0 600700 31.93 2620 1123716 1079452 36.84 413484 1115332 12 17:27:01 154416 0 600792 31.93 2620 1123716 1079464 36.84 426924 1102108 8 17:28:01 151324 0 603876 32.09 2620 1123724 1079512 36.84 428468 1103984 12 Average: 154985 0 600226 31.90 2620 1123713 1087516 37.12 416854 1111446 12 17:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:24:01 eth0 303.21 194.52 682.63 55.89 0.00 0.00 0.00 0.00 17:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 docker0 2.45 2.05 0.48 5.06 0.00 0.00 0.00 0.00 17:25:01 eth0 2.11 0.28 0.41 0.23 0.00 0.00 0.00 0.00 17:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 eth0 2.86 0.57 0.70 0.36 0.00 0.00 0.00 0.00 17:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 eth0 2.68 0.80 0.91 0.59 0.00 0.00 0.00 0.00 17:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 eth0 2.78 0.52 0.57 0.28 0.00 0.00 0.00 0.00 17:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 62.76 39.36 137.11 11.48 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 0.49 0.41 0.10 1.01 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) 05/11/21 _x86_64_ (4 CPU) 17:22:25 LINUX RESTART (4 CPU) 17:23:01 CPU %user %nice %system %iowait %steal %idle 17:24:01 all 5.95 0.00 2.97 1.34 0.14 89.60 17:24:01 0 6.61 0.00 2.67 0.29 0.12 90.31 17:24:01 1 6.59 0.00 2.94 2.42 0.12 87.93 17:24:01 2 3.98 0.00 3.41 1.81 0.18 90.62 17:24:01 3 6.61 0.00 2.86 0.84 0.15 89.53 17:25:01 all 0.17 0.00 0.05 0.00 0.01 99.77 17:25:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:25:01 1 0.53 0.00 0.07 0.00 0.02 99.38 17:25:01 2 0.07 0.00 0.05 0.00 0.02 99.87 17:25:01 3 0.05 0.00 0.07 0.00 0.00 99.88 17:26:01 all 0.17 0.00 0.06 0.00 0.03 99.74 17:26:01 0 0.05 0.00 0.03 0.00 0.02 99.90 17:26:01 1 0.47 0.00 0.03 0.00 0.03 99.47 17:26:01 2 0.12 0.00 0.10 0.00 0.00 99.78 17:26:01 3 0.05 0.00 0.07 0.00 0.07 99.82 17:27:01 all 0.15 0.00 0.07 0.00 0.02 99.77 17:27:01 0 0.35 0.00 0.07 0.00 0.02 99.57 17:27:01 1 0.03 0.00 0.03 0.00 0.02 99.92 17:27:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:27:01 3 0.17 0.00 0.13 0.00 0.03 99.67 17:28:01 all 0.06 0.00 0.09 0.00 0.02 99.83 17:28:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:28:01 1 0.08 0.00 0.12 0.00 0.03 99.77 17:28:01 2 0.05 0.00 0.03 0.00 0.03 99.88 17:28:01 3 0.08 0.00 0.20 0.00 0.00 99.72 Average: all 1.29 0.00 0.65 0.27 0.04 97.75 Average: 0 1.40 0.00 0.56 0.06 0.03 97.95 Average: 1 1.53 0.00 0.63 0.48 0.04 97.31 Average: 2 0.85 0.00 0.72 0.36 0.05 98.02 Average: 3 1.38 0.00 0.66 0.17 0.05 97.74