---> uname -a: Linux bae0b4cd8f5e 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% /w/workspace/xfoundry_device-modbus-go_PR-160@tmp /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-160 ---> free -m: total used free shared buff/cache available Mem: 1837 642 117 0 1077 1089 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) 08/04/20 _x86_64_ (4 CPU) 04:33:44 LINUX RESTART 04:34:01 tps rtps wtps bread/s bwrtn/s 04:35:01 186.80 100.12 86.68 11733.54 40196.55 04:36:01 2.36 0.00 2.36 0.00 49.39 04:37:01 0.15 0.00 0.15 0.00 1.90 04:38:01 0.35 0.00 0.35 0.00 3.43 04:39:01 0.20 0.00 0.20 0.00 2.56 04:40:01 0.33 0.00 0.33 0.00 5.33 04:41:01 0.30 0.02 0.28 0.13 3.03 04:42:01 0.70 0.00 0.70 0.00 7.26 04:43:02 0.70 0.00 0.70 0.00 8.49 04:44:01 0.41 0.00 0.41 0.00 5.42 04:45:01 0.28 0.00 0.28 0.00 3.10 04:46:01 0.20 0.00 0.20 0.00 2.56 Average: 16.09 8.36 7.73 979.60 3363.57 04:34:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:35:01 181828 1699728 90.34 2620 1140912 1125272 38.40 416852 1122808 116 04:36:01 189204 1692352 89.94 2620 1141008 1068364 36.46 414380 1119096 20 04:37:01 189272 1692284 89.94 2620 1141016 1068364 36.46 415960 1117560 8 04:38:01 188280 1693276 89.99 2620 1141016 1068568 36.47 417296 1117560 16 04:39:01 187608 1693948 90.03 2620 1141020 1068432 36.46 427248 1108364 16 04:40:01 186224 1695332 90.10 2620 1141028 1068612 36.47 428524 1108356 8 04:41:01 187064 1694492 90.06 2620 1141036 1068432 36.46 438468 1097428 8 04:42:01 187492 1694064 90.04 2620 1141044 1068432 36.46 433628 1102400 8 04:43:02 187128 1694428 90.05 2620 1141048 1068432 36.46 433636 1102400 8 04:44:01 187136 1694420 90.05 2620 1141056 1068432 36.46 431468 1104452 8 04:45:01 186744 1694812 90.08 2620 1141056 1068504 36.47 427244 1109192 16 04:46:01 187344 1694212 90.04 2620 1141060 1068432 36.46 426740 1109192 16 Average: 187110 1694446 90.06 2620 1141025 1073190 36.63 425954 1109901 21 04:34:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:35:01 eth0 410.47 246.73 1045.59 88.06 0.00 0.00 0.00 04:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:01 docker0 1.50 1.30 0.29 3.30 0.00 0.00 0.00 04:36:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 04:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 eth0 0.15 0.08 0.02 0.01 0.00 0.00 0.00 04:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:38:01 eth0 0.92 0.52 0.34 0.18 0.00 0.00 0.00 04:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:39:01 eth0 0.78 0.10 0.07 0.04 0.00 0.00 0.00 04:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 eth0 0.73 0.58 0.42 0.28 0.00 0.00 0.00 04:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 04:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 04:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:02 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 04:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 04:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:01 eth0 0.77 0.28 0.19 0.08 0.00 0.00 0.00 04:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 04:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 34.60 20.77 87.38 7.41 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.11 0.02 0.28 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) 08/04/20 _x86_64_ (4 CPU) 04:33:44 LINUX RESTART 04:34:01 CPU %user %nice %system %iowait %steal %idle 04:35:01 all 16.81 0.00 7.70 8.03 0.16 67.31 04:35:01 0 19.26 0.00 7.70 7.80 0.15 65.09 04:35:01 1 18.21 0.00 7.29 7.36 0.13 67.00 04:35:01 2 14.57 0.00 7.61 6.73 0.19 70.90 04:35:01 3 15.17 0.00 8.19 10.21 0.19 66.24 04:36:01 all 0.17 0.00 0.05 0.00 0.00 99.78 04:36:01 0 0.53 0.00 0.03 0.00 0.00 99.43 04:36:01 1 0.05 0.00 0.03 0.00 0.02 99.90 04:36:01 2 0.08 0.00 0.07 0.00 0.00 99.85 04:36:01 3 0.03 0.00 0.05 0.00 0.00 99.92 04:37:01 all 0.13 0.00 0.03 0.00 0.00 99.84 04:37:01 0 0.38 0.00 0.02 0.00 0.00 99.60 04:37:01 1 0.05 0.00 0.05 0.00 0.00 99.90 04:37:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:37:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:38:01 all 0.16 0.00 0.02 0.00 0.00 99.81 04:38:01 0 0.50 0.00 0.02 0.00 0.02 99.47 04:38:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:38:01 2 0.03 0.00 0.05 0.00 0.00 99.92 04:38:01 3 0.05 0.00 0.02 0.00 0.02 99.92 04:39:01 all 0.05 0.00 0.04 0.00 0.00 99.91 04:39:01 0 0.07 0.00 0.07 0.00 0.00 99.87 04:39:01 1 0.02 0.00 0.05 0.00 0.00 99.93 04:39:01 2 0.07 0.00 0.03 0.00 0.02 99.88 04:39:01 3 0.05 0.00 0.02 0.00 0.00 99.93 04:40:01 all 0.06 0.00 0.04 0.00 0.00 99.90 04:40:01 0 0.10 0.00 0.03 0.00 0.00 99.87 04:40:01 1 0.03 0.00 0.07 0.00 0.00 99.90 04:40:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:40:01 3 0.08 0.00 0.02 0.00 0.00 99.90 04:41:01 all 0.13 0.00 0.04 0.00 0.00 99.83 04:41:01 0 0.45 0.00 0.05 0.00 0.00 99.50 04:41:01 1 0.02 0.00 0.07 0.00 0.00 99.92 04:41:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:41:01 3 0.02 0.00 0.00 0.00 0.00 99.98 04:42:01 all 0.15 0.00 0.02 0.00 0.00 99.83 04:42:01 0 0.53 0.00 0.03 0.00 0.00 99.43 04:42:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:42:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:42:01 3 0.00 0.00 0.02 0.00 0.00 99.98 04:43:02 all 0.15 0.00 0.02 0.00 0.00 99.83 04:43:02 0 0.52 0.00 0.02 0.00 0.00 99.47 04:43:02 1 0.02 0.00 0.03 0.00 0.00 99.95 04:43:02 2 0.03 0.00 0.02 0.00 0.00 99.95 04:43:02 3 0.02 0.00 0.02 0.00 0.00 99.97 04:44:01 all 0.15 0.00 0.02 0.00 0.00 99.83 04:44:01 0 0.51 0.00 0.00 0.00 0.00 99.49 04:44:01 1 0.02 0.00 0.02 0.00 0.00 99.97 04:44:01 2 0.07 0.00 0.05 0.00 0.00 99.88 04:44:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:45:01 all 0.15 0.00 0.02 0.00 0.00 99.82 04:45:01 0 0.53 0.00 0.05 0.00 0.00 99.42 04:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:45:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:45:01 3 0.02 0.00 0.00 0.00 0.00 99.98 04:46:01 all 0.15 0.00 0.02 0.00 0.00 99.83 04:46:01 0 0.52 0.00 0.02 0.00 0.02 99.45 04:46:01 1 0.02 0.00 0.02 0.00 0.00 99.97 04:46:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 1.51 0.00 0.66 0.66 0.01 97.15 Average: 0 1.97 0.00 0.66 0.64 0.02 96.71 Average: 1 1.53 0.00 0.64 0.61 0.01 97.21 Average: 2 1.24 0.00 0.66 0.56 0.02 97.52 Average: 3 1.27 0.00 0.69 0.84 0.02 97.18