---> uname -a: Linux prd-centos7-docker-4c-2g-2700.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-230@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-230 ---> free -m: total used free shared buff/cache available Mem: 1837 705 114 0 1016 1026 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:cb:b9:fd brd ff:ff:ff:ff:ff:ff inet 10.30.123.35/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85711sec preferred_lft 85711sec inet6 fe80::f816:3eff:fecb:b9fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:18:1b:62:54 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::42:18ff:fe1b:6254/64 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) 05/03/21 _x86_64_ (4 CPU) 06:04:17 LINUX RESTART (4 CPU) 06:05:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:06:02 116.03 67.96 48.07 0.00 4487.19 36406.51 0.00 06:07:01 52.77 14.47 38.30 0.00 4608.05 2748.29 0.00 06:08:01 2.49 0.00 2.49 0.00 0.00 55.17 0.00 06:09:01 0.43 0.00 0.43 0.00 0.00 6.70 0.00 06:10:02 0.27 0.00 0.27 0.00 0.00 2.76 0.00 06:11:01 0.51 0.00 0.51 0.00 0.00 6.66 0.00 06:12:01 0.23 0.00 0.23 0.00 0.00 3.04 0.00 06:13:01 0.25 0.00 0.25 0.00 0.00 2.63 0.00 06:14:01 0.32 0.00 0.32 0.00 0.00 3.60 0.00 06:15:01 0.43 0.00 0.43 0.00 0.00 3.79 0.00 Average: 17.40 8.28 9.12 0.00 906.66 3950.62 0.00 06:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:06:02 72480 0 530880 28.22 2620 1275564 1069472 36.50 357044 1254820 3704 06:07:01 130724 0 616272 32.75 2620 1131928 1176008 40.14 457980 1090360 128 06:08:01 127592 0 619400 32.92 2620 1131932 1201684 41.01 469092 1081616 12 06:09:01 137304 0 609684 32.40 2620 1131936 1131920 38.63 462968 1079236 8 06:10:02 138916 0 608068 32.32 2620 1131940 1124788 38.39 458024 1083796 8 06:11:01 141232 0 605744 32.19 2620 1131948 1090088 37.20 456804 1083080 8 06:12:01 142644 0 604332 32.12 2620 1131948 1089836 37.19 455424 1083080 8 06:13:01 142792 0 604176 32.11 2620 1131956 1089836 37.19 455432 1083080 8 06:14:01 143056 0 603908 32.10 2620 1131960 1089836 37.19 455436 1083080 8 06:15:01 142932 0 604028 32.10 2620 1131964 1089836 37.19 455440 1083080 8 Average: 131967 0 600649 31.92 2620 1146308 1115330 38.06 448364 1100523 390 06:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:06:02 eth0 147.23 105.97 589.78 44.85 0.00 0.00 0.00 0.00 06:06:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 eth0 115.54 95.89 491.08 47.90 0.00 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 2.62 2.20 0.48 5.01 0.00 0.00 0.00 0.00 06:08:01 eth0 4.08 3.53 0.97 15.00 0.00 0.00 0.00 0.00 06:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 eth0 2.74 0.27 0.47 0.20 0.00 0.00 0.00 0.00 06:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:02 eth0 1.20 0.58 0.56 0.37 0.00 0.00 0.00 0.00 06:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:11:01 eth0 0.76 0.44 0.41 0.31 0.00 0.00 0.00 0.00 06:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:13:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 eth0 0.22 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 27.19 20.65 108.12 10.84 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 0.26 0.22 0.05 0.49 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) 05/03/21 _x86_64_ (4 CPU) 06:04:17 LINUX RESTART (4 CPU) 06:05:01 CPU %user %nice %system %iowait %steal %idle 06:06:02 all 11.47 0.00 7.08 8.78 42.84 29.83 06:06:02 0 13.42 0.00 6.06 8.47 44.28 27.77 06:06:02 1 9.71 0.00 5.95 10.85 43.49 30.01 06:06:02 2 11.08 0.00 7.41 9.21 41.86 30.44 06:06:02 3 11.75 0.00 8.93 6.55 41.73 31.05 06:07:01 all 3.79 0.00 3.92 0.98 25.90 65.41 06:07:01 0 4.12 0.00 3.57 0.86 27.54 63.92 06:07:01 1 3.35 0.00 4.24 1.24 26.24 64.94 06:07:01 2 3.61 0.00 3.52 0.68 25.24 66.95 06:07:01 3 4.09 0.00 4.37 1.15 24.51 65.88 06:08:01 all 0.19 0.00 0.09 0.00 2.15 97.57 06:08:01 0 0.18 0.00 0.11 0.00 2.71 97.00 06:08:01 1 0.30 0.00 0.10 0.00 1.36 98.24 06:08:01 2 0.23 0.00 0.06 0.00 2.79 96.92 06:08:01 3 0.07 0.00 0.07 0.00 1.72 98.15 06:09:01 all 0.04 0.00 0.12 0.00 2.71 97.12 06:09:01 0 0.00 0.00 0.13 0.00 1.48 98.39 06:09:01 1 0.05 0.00 0.10 0.00 2.42 97.44 06:09:01 2 0.10 0.00 0.11 0.00 3.59 96.20 06:09:01 3 0.02 0.00 0.15 0.00 3.33 96.50 06:10:02 all 0.04 0.00 0.24 0.00 3.05 96.66 06:10:02 0 0.02 0.00 0.30 0.00 1.51 98.18 06:10:02 1 0.08 0.00 0.41 0.00 2.51 97.00 06:10:02 2 0.05 0.00 0.06 0.00 5.70 94.19 06:10:02 3 0.03 0.00 0.20 0.00 2.40 97.38 06:11:01 all 0.02 0.00 0.10 0.00 2.43 97.44 06:11:01 0 0.00 0.00 0.03 0.00 1.75 98.22 06:11:01 1 0.05 0.00 0.05 0.00 2.18 97.72 06:11:01 2 0.02 0.00 0.23 0.00 1.37 98.38 06:11:01 3 0.03 0.00 0.08 0.00 4.39 95.50 06:12:01 all 0.03 0.00 0.02 0.00 2.19 97.76 06:12:01 0 0.02 0.00 0.02 0.00 3.06 96.91 06:12:01 1 0.08 0.00 0.02 0.00 1.85 98.05 06:12:01 2 0.02 0.00 0.02 0.00 0.46 99.50 06:12:01 3 0.00 0.00 0.02 0.00 3.34 96.64 06:13:01 all 0.05 0.00 0.03 0.00 1.72 98.19 06:13:01 0 0.02 0.00 0.03 0.00 0.68 99.27 06:13:01 1 0.17 0.00 0.03 0.00 1.06 98.75 06:13:01 2 0.02 0.00 0.02 0.02 2.30 97.65 06:13:01 3 0.02 0.00 0.03 0.00 2.82 97.13 06:14:01 all 0.06 0.00 0.03 0.05 1.89 97.96 06:14:01 0 0.02 0.00 0.02 0.00 0.97 99.00 06:14:01 1 0.16 0.00 0.03 0.00 2.96 96.84 06:14:01 2 0.02 0.00 0.05 0.00 1.38 98.55 06:14:01 3 0.03 0.00 0.03 0.21 2.23 97.49 06:15:01 all 0.07 0.00 0.04 0.00 0.79 99.09 06:15:01 0 0.00 0.00 0.02 0.00 0.35 99.63 06:15:01 1 0.28 0.00 0.03 0.00 1.35 98.34 06:15:01 2 0.00 0.00 0.07 0.00 0.27 99.67 06:15:01 3 0.02 0.00 0.05 0.00 1.19 98.75 Average: all 1.74 0.00 1.28 1.09 9.24 86.65 Average: 0 1.96 0.00 1.12 1.03 9.14 86.76 Average: 1 1.58 0.00 1.21 1.36 9.30 86.56 Average: 2 1.68 0.00 1.27 1.11 9.19 86.75 Average: 3 1.75 0.00 1.51 0.87 9.31 86.56