---> uname -a: Linux prd-centos7-docker-4c-2g-425.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: 2933.436 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-244 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-244@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 740 101 0 995 991 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:25:4a:14 brd ff:ff:ff:ff:ff:ff inet 10.30.122.42/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85806sec preferred_lft 85806sec inet6 fe80::f816:3eff:fe25:4a14/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:31:7f:04:55 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::42:31ff:fe7f:455/64 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) 05/17/21 _x86_64_ (4 CPU) 18:43:53 LINUX RESTART (4 CPU) 18:45:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:46:02 6.07 0.68 5.39 0.00 43.91 154.41 0.00 18:47:01 0.37 0.00 0.37 0.00 0.00 5.50 0.00 18:48:01 0.28 0.00 0.28 0.00 0.00 3.75 0.00 18:49:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 18:50:01 0.27 0.00 0.27 0.00 0.00 4.76 0.00 18:51:01 0.33 0.00 0.33 0.00 0.00 4.51 0.00 18:52:01 0.20 0.00 0.20 0.00 0.00 2.05 0.00 18:53:01 0.50 0.00 0.50 0.00 0.00 7.18 0.00 Average: 1.03 0.09 0.95 0.00 5.51 23.18 0.00 18:45:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:46:02 160392 0 615880 32.73 2620 1102652 1117144 38.13 411532 1110816 20 18:47:01 161640 0 614624 32.67 2620 1102660 1116712 38.11 418560 1103012 12 18:48:01 162576 0 613684 32.62 2620 1102664 1080684 36.88 419968 1101012 16 18:49:01 158340 0 617920 32.84 2620 1102664 1080780 36.89 424812 1100660 20 18:50:01 158060 0 618192 32.86 2620 1102672 1080852 36.89 425656 1100260 16 18:51:01 159676 0 616572 32.77 2620 1102676 1080516 36.88 424928 1099040 12 18:52:01 160120 0 616120 32.75 2620 1102684 1080516 36.88 424920 1099040 8 18:53:01 160228 0 616008 32.74 2620 1102688 1080516 36.88 424924 1099040 8 Average: 160129 0 616125 32.75 2620 1102670 1089715 37.19 421912 1101610 14 18:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:46:02 eth0 13.42 9.90 18.47 4.32 0.00 0.00 0.00 0.00 18:46:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:02 docker0 1.88 1.40 0.41 5.02 0.00 0.00 0.00 0.00 18:47:01 eth0 0.81 0.10 0.07 0.07 0.00 0.00 0.00 0.00 18:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 eth0 2.58 0.50 0.66 0.36 0.00 0.00 0.00 0.00 18:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 eth0 1.55 0.43 0.62 0.36 0.00 0.00 0.00 0.00 18:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 eth0 1.52 0.72 0.74 0.53 0.00 0.00 0.00 0.00 18:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 0.00 18:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 eth0 0.10 0.02 0.01 0.00 0.00 0.00 0.00 0.00 18:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 eth0 0.13 0.07 0.01 0.01 0.00 0.00 0.00 0.00 18:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.54 1.48 2.58 0.71 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 0.24 0.18 0.05 0.63 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) 05/17/21 _x86_64_ (4 CPU) 18:43:53 LINUX RESTART (4 CPU) 18:45:01 CPU %user %nice %system %iowait %steal %idle 18:46:02 all 0.61 0.00 0.33 0.04 0.24 98.78 18:46:02 0 0.45 0.00 0.43 0.08 0.22 98.82 18:46:02 1 0.62 0.00 0.28 0.07 0.30 98.73 18:46:02 2 0.77 0.00 0.25 0.02 0.22 98.75 18:46:02 3 0.60 0.00 0.37 0.00 0.22 98.82 18:47:01 all 0.15 0.00 0.07 0.00 0.33 99.45 18:47:01 0 0.02 0.00 0.03 0.00 0.25 99.70 18:47:01 1 0.44 0.00 0.05 0.00 0.15 99.36 18:47:01 2 0.10 0.00 0.08 0.00 0.73 99.09 18:47:01 3 0.05 0.00 0.10 0.00 0.17 99.68 18:48:01 all 0.19 0.00 0.20 0.00 0.23 99.38 18:48:01 0 0.07 0.00 0.15 0.00 0.15 99.63 18:48:01 1 0.10 0.00 0.22 0.00 0.08 99.60 18:48:01 2 0.50 0.00 0.22 0.00 0.37 98.92 18:48:01 3 0.08 0.00 0.23 0.00 0.33 99.35 18:49:01 all 0.14 0.00 0.07 0.00 0.17 99.62 18:49:01 0 0.02 0.00 0.03 0.00 0.15 99.80 18:49:01 1 0.30 0.00 0.05 0.00 0.08 99.57 18:49:01 2 0.18 0.00 0.08 0.00 0.27 99.47 18:49:01 3 0.07 0.00 0.10 0.00 0.20 99.63 18:50:01 all 0.10 0.00 0.10 0.00 0.11 99.69 18:50:01 0 0.03 0.00 0.03 0.00 0.05 99.88 18:50:01 1 0.20 0.00 0.08 0.00 0.12 99.60 18:50:01 2 0.10 0.00 0.07 0.00 0.18 99.65 18:50:01 3 0.08 0.00 0.20 0.00 0.08 99.63 18:51:01 all 0.15 0.00 0.05 0.00 0.10 99.70 18:51:01 0 0.02 0.00 0.02 0.00 0.15 99.82 18:51:01 1 0.05 0.00 0.03 0.00 0.02 99.90 18:51:01 2 0.52 0.00 0.07 0.00 0.20 99.22 18:51:01 3 0.02 0.00 0.08 0.00 0.05 99.85 18:52:01 all 0.13 0.00 0.03 0.00 0.02 99.82 18:52:01 0 0.02 0.00 0.02 0.00 0.03 99.93 18:52:01 1 0.05 0.00 0.03 0.00 0.02 99.90 18:52:01 2 0.43 0.00 0.03 0.00 0.02 99.52 18:52:01 3 0.03 0.00 0.03 0.00 0.02 99.92 18:53:01 all 0.15 0.00 0.03 0.00 0.03 99.78 18:53:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:53:01 1 0.08 0.00 0.05 0.00 0.07 99.80 18:53:01 2 0.48 0.00 0.03 0.00 0.03 99.45 18:53:01 3 0.03 0.00 0.03 0.00 0.03 99.90 Average: all 0.20 0.00 0.11 0.01 0.15 99.53 Average: 0 0.08 0.00 0.09 0.01 0.13 99.69 Average: 1 0.23 0.00 0.10 0.01 0.10 99.56 Average: 2 0.39 0.00 0.10 0.00 0.25 99.26 Average: 3 0.12 0.00 0.14 0.00 0.14 99.60