---> uname -a: Linux 71c035f15158 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: 2933.438 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 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-166 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/xfoundry_device-modbus-go_PR-166@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 640 130 0 1066 1091 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) 08/24/20 _x86_64_ (4 CPU) 07:50:41 LINUX RESTART 07:52:01 tps rtps wtps bread/s bwrtn/s 07:53:01 3.13 0.00 3.13 0.00 104.20 07:54:01 0.40 0.00 0.40 0.00 5.65 07:55:01 0.27 0.00 0.27 0.00 3.28 07:56:01 0.22 0.00 0.22 0.00 2.16 07:57:01 0.45 0.00 0.45 0.00 7.58 07:58:01 0.18 0.02 0.17 0.13 1.65 07:59:01 0.32 0.00 0.32 0.00 3.25 08:00:01 0.25 0.00 0.25 0.00 2.48 08:01:01 0.20 0.02 0.18 0.13 2.17 08:02:01 0.47 0.12 0.35 2.13 6.49 Average: 0.59 0.01 0.57 0.24 13.89 07:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:53:01 170380 1711176 90.94 2620 1153064 1070784 36.54 407096 1144856 20 07:54:01 169032 1712524 91.02 2620 1153068 1070784 36.54 409244 1144564 8 07:55:01 168100 1713456 91.07 2620 1153076 1070976 36.55 410404 1144564 16 07:56:01 166440 1715116 91.15 2620 1153076 1071024 36.55 417184 1139228 8 07:57:01 165008 1716548 91.23 2620 1153080 1070844 36.55 418700 1139228 8 07:58:01 165468 1716088 91.21 2620 1153092 1070784 36.54 418524 1139228 8 07:59:01 165256 1716300 91.22 2620 1153092 1070784 36.54 418416 1139228 8 08:00:01 165196 1716360 91.22 2620 1153100 1070784 36.54 418436 1139228 12 08:01:01 163804 1717752 91.29 2620 1153104 1073296 36.63 417220 1141276 20 08:02:01 164120 1717436 91.28 2620 1153248 1071376 36.56 406884 1151592 8 Average: 166280 1715276 91.16 2620 1153100 1071144 36.56 414211 1142299 12 07:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:53:01 eth0 0.57 0.12 0.04 0.02 0.00 0.00 0.00 07:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 eth0 0.32 0.08 0.03 0.01 0.00 0.00 0.00 07:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 eth0 0.90 0.38 0.31 0.20 0.00 0.00 0.00 07:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 eth0 0.47 0.40 0.30 0.21 0.00 0.00 0.00 07:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 07:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:58:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 07:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 07:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 08:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 eth0 0.18 0.18 0.07 0.01 0.00 0.00 0.00 08:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 eth0 0.28 0.23 0.14 0.07 0.00 0.00 0.00 08:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.32 0.18 0.10 0.06 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 08/24/20 _x86_64_ (4 CPU) 07:50:41 LINUX RESTART 07:52:01 CPU %user %nice %system %iowait %steal %idle 07:53:01 all 0.16 0.00 0.05 0.00 0.00 99.79 07:53:01 0 0.03 0.00 0.02 0.00 0.02 99.93 07:53:01 1 0.50 0.00 0.07 0.00 0.00 99.43 07:53:01 2 0.05 0.00 0.07 0.00 0.00 99.88 07:53:01 3 0.05 0.00 0.07 0.00 0.00 99.88 07:54:01 all 0.15 0.00 0.03 0.00 0.00 99.82 07:54:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:54:01 1 0.48 0.00 0.02 0.00 0.00 99.50 07:54:01 2 0.05 0.00 0.07 0.00 0.02 99.87 07:54:01 3 0.02 0.00 0.03 0.00 0.00 99.95 07:55:01 all 0.16 0.00 0.03 0.00 0.00 99.81 07:55:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:55:01 1 0.50 0.00 0.03 0.00 0.00 99.47 07:55:01 2 0.07 0.00 0.05 0.00 0.00 99.88 07:55:01 3 0.05 0.00 0.02 0.00 0.00 99.93 07:56:01 all 0.16 0.00 0.05 0.00 0.00 99.80 07:56:01 0 0.00 0.00 0.02 0.00 0.00 99.98 07:56:01 1 0.52 0.00 0.07 0.00 0.00 99.42 07:56:01 2 0.05 0.00 0.05 0.00 0.00 99.90 07:56:01 3 0.07 0.00 0.07 0.00 0.00 99.87 07:57:01 all 0.16 0.00 0.05 0.00 0.00 99.78 07:57:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:57:01 1 0.08 0.00 0.08 0.00 0.00 99.83 07:57:01 2 0.47 0.00 0.03 0.00 0.00 99.50 07:57:01 3 0.03 0.00 0.03 0.00 0.00 99.93 07:58:01 all 0.15 0.00 0.03 0.00 0.00 99.81 07:58:01 0 0.02 0.00 0.05 0.00 0.00 99.93 07:58:01 1 0.03 0.00 0.02 0.00 0.02 99.93 07:58:01 2 0.57 0.00 0.05 0.00 0.00 99.38 07:58:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:59:01 all 0.16 0.00 0.04 0.00 0.00 99.80 07:59:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:59:01 1 0.57 0.00 0.07 0.00 0.00 99.37 07:59:01 2 0.03 0.00 0.03 0.00 0.00 99.93 07:59:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:00:01 all 0.15 0.00 0.03 0.00 0.00 99.81 08:00:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:00:01 1 0.48 0.00 0.03 0.00 0.00 99.48 08:00:01 2 0.08 0.00 0.07 0.00 0.00 99.85 08:00:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:01:01 all 0.06 0.00 0.04 0.00 0.00 99.90 08:01:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:01:01 1 0.12 0.00 0.07 0.00 0.00 99.82 08:01:01 2 0.08 0.00 0.07 0.00 0.02 99.83 08:01:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:02:01 all 0.05 0.00 0.05 0.00 0.00 99.90 08:02:01 0 0.02 0.00 0.05 0.00 0.00 99.93 08:02:01 1 0.12 0.00 0.03 0.00 0.00 99.85 08:02:01 2 0.03 0.00 0.05 0.00 0.00 99.92 08:02:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.14 0.00 0.04 0.00 0.00 99.82 Average: 0 0.02 0.00 0.03 0.00 0.00 99.95 Average: 1 0.34 0.00 0.05 0.00 0.00 99.61 Average: 2 0.15 0.00 0.05 0.00 0.00 99.79 Average: 3 0.03 0.00 0.03 0.00 0.00 99.94