---> uname -a: Linux prd-centos7-docker-4c-2g-13858.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% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-193 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-193@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 ---> free -m: total used free shared buff/cache available Mem: 1837 707 97 0 1032 1025 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:e6:99:e2 brd ff:ff:ff:ff:ff:ff inet 10.30.122.37/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fee6:99e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:20:e4:2d:55 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::42:20ff:fee4:2d55/64 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) 11/30/20 _x86_64_ (4 CPU) 14:54:59 LINUX RESTART (4 CPU) 14:56:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:57:01 7.13 1.60 5.53 0.00 567.17 146.85 0.00 14:58:01 0.27 0.00 0.27 0.00 0.00 4.13 0.00 14:59:01 0.63 0.00 0.63 0.00 0.00 7.08 0.00 Average: 2.68 0.53 2.14 0.00 189.10 52.70 0.00 14:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:57:01 164068 0 581112 30.88 2620 1133744 1102004 37.61 423892 1095652 20 14:58:01 165848 0 579324 30.79 2620 1133752 1076292 36.73 428304 1090232 8 14:59:01 164592 0 580576 30.86 2620 1133756 1076508 36.74 432900 1086684 8 Average: 164836 0 580337 30.84 2620 1133751 1084935 37.03 428365 1090856 12 14:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:57:01 eth0 24.41 17.08 26.90 7.29 0.00 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 1.93 1.63 0.39 3.88 0.00 0.00 0.00 0.00 14:58:01 eth0 0.80 0.08 0.07 0.01 0.00 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 eth0 1.02 0.50 0.32 0.21 0.00 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 8.74 5.89 9.10 2.50 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 0.64 0.54 0.13 1.29 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) 11/30/20 _x86_64_ (4 CPU) 14:54:59 LINUX RESTART (4 CPU) 14:56:01 CPU %user %nice %system %iowait %steal %idle 14:57:01 all 1.12 0.00 0.74 0.08 0.00 98.05 14:57:01 0 0.97 0.00 0.78 0.13 0.00 98.11 14:57:01 1 1.14 0.00 0.70 0.02 0.00 98.15 14:57:01 2 1.09 0.00 0.79 0.03 0.00 98.10 14:57:01 3 1.30 0.00 0.70 0.15 0.00 97.85 14:58:01 all 0.13 0.00 0.03 0.00 0.00 99.85 14:58:01 0 0.02 0.00 0.00 0.00 0.00 99.98 14:58:01 1 0.05 0.00 0.03 0.00 0.00 99.92 14:58:01 2 0.02 0.00 0.05 0.00 0.00 99.93 14:58:01 3 0.42 0.00 0.03 0.00 0.00 99.55 14:59:01 all 0.19 0.00 0.17 0.00 0.00 99.63 14:59:01 0 0.10 0.00 0.27 0.00 0.00 99.63 14:59:01 1 0.08 0.00 0.18 0.00 0.02 99.72 14:59:01 2 0.07 0.00 0.12 0.00 0.00 99.82 14:59:01 3 0.52 0.00 0.12 0.00 0.00 99.37 Average: all 0.48 0.00 0.31 0.03 0.00 99.18 Average: 0 0.36 0.00 0.35 0.04 0.00 99.24 Average: 1 0.42 0.00 0.31 0.01 0.01 99.26 Average: 2 0.39 0.00 0.32 0.01 0.00 99.28 Average: 3 0.74 0.00 0.28 0.05 0.00 98.92