---> uname -a: Linux 033b065ff9af 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 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: 2933.396 BogoMIPS: 5866.79 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 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/xfoundry_device-modbus-go_PR-165 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/xfoundry_device-modbus-go_PR-165@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 644 122 0 1070 1086 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 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/01/20 _x86_64_ (4 CPU) 01:35:39 LINUX RESTART 01:36:01 tps rtps wtps bread/s bwrtn/s 01:37:01 159.43 67.00 92.43 8587.95 40269.98 01:38:01 2.41 0.00 2.41 0.00 55.82 01:39:01 0.42 0.00 0.42 0.00 5.56 01:40:01 0.23 0.00 0.23 0.00 3.63 01:41:01 0.15 0.00 0.15 0.00 2.02 01:42:01 0.38 0.00 0.38 0.00 5.38 01:43:01 0.27 0.02 0.25 0.13 2.56 01:44:01 0.28 0.00 0.28 0.00 2.98 01:45:01 0.28 0.00 0.28 0.00 2.75 01:46:01 0.22 0.00 0.22 0.00 2.50 01:47:01 0.30 0.00 0.30 0.00 4.06 01:48:01 0.25 0.00 0.25 0.00 2.86 Average: 13.73 5.59 8.14 716.17 3365.67 01:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:37:01 165356 1716200 91.21 2620 1148508 1127544 38.48 413256 1142416 116 01:38:01 163496 1718060 91.31 2620 1148756 1127664 38.49 415596 1142164 28 01:39:01 170372 1711184 90.95 2620 1148704 1089028 37.17 414904 1136568 20 01:40:01 169632 1711924 90.98 2620 1148704 1089184 37.17 415756 1136568 8 01:41:01 169092 1712464 91.01 2620 1148712 1089076 37.17 426488 1126480 8 01:42:01 167540 1714016 91.10 2620 1148716 1089380 37.18 428132 1126388 8 01:43:01 168440 1713116 91.05 2620 1148720 1089212 37.17 427308 1126388 8 01:44:01 168488 1713068 91.05 2620 1148728 1089212 37.17 420640 1133196 8 01:45:01 167472 1714084 91.10 2620 1148732 1089404 37.18 421652 1133196 16 01:46:01 168332 1713224 91.05 2620 1148740 1089212 37.17 418808 1134908 12 01:47:01 168196 1713360 91.06 2620 1148744 1089284 37.18 414316 1139836 8 01:48:01 168580 1712976 91.04 2620 1148752 1089212 37.17 413908 1139840 20 Average: 167916 1713640 91.08 2620 1148710 1095618 37.39 419230 1134829 22 01:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:37:01 eth0 386.79 216.19 1043.87 92.39 0.00 0.00 0.00 01:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:37:01 docker0 1.85 1.41 0.33 3.61 0.00 0.00 0.00 01:38:01 eth0 1.27 0.73 0.58 0.38 0.00 0.00 0.00 01:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 eth0 1.10 0.27 0.36 0.05 0.00 0.00 0.00 01:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 eth0 1.58 0.50 0.38 0.15 0.00 0.00 0.00 01:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 eth0 0.77 0.40 0.30 0.27 0.00 0.00 0.00 01:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 eth0 0.72 0.47 0.41 0.27 0.00 0.00 0.00 01:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:43:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 01:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:44:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 01:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:45:01 eth0 0.52 0.30 0.27 0.20 0.00 0.00 0.00 01:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:46:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 01:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:47:01 eth0 0.27 0.17 0.14 0.07 0.00 0.00 0.00 01:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:48:01 eth0 0.07 0.07 0.00 0.01 0.00 0.00 0.00 01:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 32.86 18.29 87.26 7.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.12 0.03 0.30 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/01/20 _x86_64_ (4 CPU) 01:35:39 LINUX RESTART 01:36:01 CPU %user %nice %system %iowait %steal %idle 01:37:01 all 15.40 0.00 8.14 9.28 0.03 67.15 01:37:01 0 15.06 0.00 7.98 7.78 0.03 69.15 01:37:01 1 14.38 0.00 9.15 7.92 0.03 68.52 01:37:01 2 15.17 0.00 8.32 12.63 0.03 63.85 01:37:01 3 17.01 0.00 7.12 8.76 0.03 67.08 01:38:01 all 0.17 0.00 0.04 0.00 0.00 99.79 01:38:01 0 0.03 0.00 0.05 0.00 0.00 99.92 01:38:01 1 0.48 0.00 0.05 0.00 0.00 99.47 01:38:01 2 0.10 0.00 0.05 0.00 0.00 99.85 01:38:01 3 0.05 0.00 0.05 0.00 0.00 99.90 01:39:01 all 0.16 0.00 0.05 0.00 0.00 99.78 01:39:01 0 0.03 0.00 0.03 0.00 0.00 99.93 01:39:01 1 0.52 0.00 0.07 0.00 0.00 99.42 01:39:01 2 0.07 0.00 0.05 0.00 0.00 99.88 01:39:01 3 0.03 0.00 0.05 0.00 0.00 99.92 01:40:01 all 0.14 0.00 0.03 0.00 0.00 99.82 01:40:01 0 0.05 0.00 0.05 0.00 0.00 99.90 01:40:01 1 0.48 0.00 0.03 0.00 0.00 99.48 01:40:01 2 0.03 0.00 0.03 0.00 0.00 99.93 01:40:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:41:01 all 0.18 0.00 0.05 0.00 0.00 99.77 01:41:01 0 0.05 0.00 0.03 0.00 0.00 99.92 01:41:01 1 0.52 0.00 0.03 0.00 0.00 99.45 01:41:01 2 0.05 0.00 0.02 0.00 0.00 99.93 01:41:01 3 0.08 0.00 0.10 0.00 0.00 99.82 01:42:01 all 0.15 0.00 0.06 0.00 0.00 99.78 01:42:01 0 0.03 0.00 0.07 0.00 0.00 99.90 01:42:01 1 0.02 0.00 0.03 0.00 0.00 99.95 01:42:01 2 0.55 0.00 0.02 0.00 0.00 99.43 01:42:01 3 0.03 0.00 0.15 0.00 0.00 99.82 01:43:01 all 0.15 0.00 0.03 0.00 0.00 99.81 01:43:01 0 0.03 0.00 0.03 0.00 0.00 99.93 01:43:01 1 0.03 0.00 0.03 0.00 0.00 99.93 01:43:01 2 0.53 0.00 0.03 0.02 0.02 99.40 01:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:44:01 all 0.15 0.00 0.03 0.00 0.00 99.83 01:44:01 0 0.00 0.00 0.02 0.00 0.00 99.98 01:44:01 1 0.08 0.00 0.07 0.00 0.00 99.85 01:44:01 2 0.48 0.00 0.02 0.00 0.00 99.50 01:44:01 3 0.00 0.00 0.02 0.00 0.00 99.98 01:45:01 all 0.16 0.00 0.04 0.00 0.00 99.80 01:45:01 0 0.02 0.00 0.03 0.00 0.02 99.93 01:45:01 1 0.55 0.00 0.07 0.00 0.00 99.38 01:45:01 2 0.05 0.00 0.03 0.00 0.00 99.92 01:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 01:46:01 all 0.06 0.00 0.04 0.00 0.00 99.90 01:46:01 0 0.02 0.00 0.02 0.00 0.00 99.97 01:46:01 1 0.13 0.00 0.07 0.00 0.00 99.80 01:46:01 2 0.03 0.00 0.05 0.00 0.00 99.92 01:46:01 3 0.03 0.00 0.02 0.00 0.00 99.95 01:47:01 all 0.03 0.00 0.03 0.00 0.00 99.94 01:47:01 0 0.03 0.00 0.02 0.00 0.00 99.95 01:47:01 1 0.05 0.00 0.07 0.00 0.02 99.87 01:47:01 2 0.03 0.00 0.02 0.00 0.00 99.95 01:47:01 3 0.02 0.00 0.03 0.00 0.00 99.95 01:48:01 all 0.12 0.00 0.05 0.00 0.00 99.83 01:48:01 0 0.03 0.00 0.05 0.00 0.00 99.92 01:48:01 1 0.38 0.00 0.07 0.00 0.00 99.55 01:48:01 2 0.07 0.00 0.05 0.00 0.00 99.88 01:48:01 3 0.02 0.00 0.05 0.00 0.00 99.93 Average: all 1.39 0.00 0.71 0.77 0.00 97.13 Average: 0 1.27 0.00 0.69 0.64 0.00 97.39 Average: 1 1.46 0.00 0.81 0.66 0.00 97.07 Average: 2 1.42 0.00 0.72 1.04 0.00 96.82 Average: 3 1.43 0.00 0.63 0.72 0.00 97.22