---> uname -a: Linux prd-centos7-docker-4c-2g-14115.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/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-195 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-195@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 723 112 0 1001 1009 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:a1:a3:81 brd ff:ff:ff:ff:ff:ff inet 10.30.123.138/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86070sec preferred_lft 86070sec inet6 fe80::f816:3eff:fea1:a381/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:06:8c:90:86 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::42:6ff:fe8c:9086/64 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) 12/02/20 _x86_64_ (4 CPU) 03:34:49 LINUX RESTART (4 CPU) 03:36:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:37:01 3.75 0.03 3.71 0.00 1.07 114.49 0.00 03:38:01 0.43 0.00 0.43 0.00 0.00 6.65 0.00 03:39:01 0.28 0.00 0.28 0.00 0.00 3.48 0.00 03:40:01 0.23 0.00 0.23 0.00 0.00 2.96 0.00 Average: 1.17 0.01 1.17 0.00 0.27 31.90 0.00 03:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:37:01 155700 0 618500 32.87 2620 1104724 1106060 37.75 440996 1086772 20 03:38:01 156184 0 618008 32.85 2620 1104732 1106072 37.75 441176 1086808 8 03:39:01 155472 0 618716 32.88 2620 1104736 1090664 37.22 457784 1070392 8 03:40:01 154284 0 619904 32.95 2620 1104736 1086564 37.08 457932 1071852 8 Average: 155410 0 618782 32.89 2620 1104732 1097340 37.45 449472 1078956 11 03:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:37:01 eth0 2.91 0.80 1.02 0.58 0.00 0.00 0.00 0.00 03:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 eth0 2.18 0.80 1.03 0.58 0.00 0.00 0.00 0.00 03:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 eth0 1.95 0.55 0.61 0.36 0.00 0.00 0.00 0.00 03:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 eth0 1.08 0.30 0.33 0.23 0.00 0.00 0.00 0.00 03:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.03 0.61 0.75 0.44 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 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 12/02/20 _x86_64_ (4 CPU) 03:34:49 LINUX RESTART (4 CPU) 03:36:01 CPU %user %nice %system %iowait %steal %idle 03:37:01 all 0.19 0.00 0.05 0.00 0.00 99.75 03:37:01 0 0.02 0.00 0.05 0.00 0.00 99.93 03:37:01 1 0.30 0.00 0.03 0.00 0.00 99.67 03:37:01 2 0.37 0.00 0.08 0.00 0.00 99.55 03:37:01 3 0.08 0.00 0.05 0.00 0.00 99.87 03:38:01 all 0.15 0.00 0.04 0.00 0.00 99.81 03:38:01 0 0.08 0.00 0.03 0.00 0.00 99.88 03:38:01 1 0.03 0.00 0.05 0.00 0.00 99.92 03:38:01 2 0.45 0.00 0.03 0.00 0.00 99.52 03:38:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:39:01 all 0.22 0.00 0.17 0.00 0.00 99.60 03:39:01 0 0.08 0.00 0.27 0.00 0.02 99.63 03:39:01 1 0.12 0.00 0.18 0.00 0.00 99.70 03:39:01 2 0.60 0.00 0.17 0.00 0.00 99.23 03:39:01 3 0.10 0.00 0.07 0.00 0.00 99.83 03:40:01 all 0.18 0.00 0.07 0.00 0.01 99.74 03:40:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:40:01 1 0.07 0.00 0.10 0.00 0.02 99.82 03:40:01 2 0.53 0.00 0.07 0.00 0.00 99.40 03:40:01 3 0.07 0.00 0.08 0.00 0.02 99.83 Average: all 0.19 0.00 0.08 0.00 0.00 99.73 Average: 0 0.06 0.00 0.10 0.00 0.00 99.84 Average: 1 0.13 0.00 0.09 0.00 0.00 99.78 Average: 2 0.49 0.00 0.09 0.00 0.00 99.43 Average: 3 0.07 0.00 0.06 0.00 0.00 99.87