---> uname -a: Linux de6f49ef5998 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 6.9G 43.0G 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/xfoundry_device-modbus-go_PR-174 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/xfoundry_device-modbus-go_PR-174@tmp /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 640 138 0 1058 1091 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 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) 09/17/20 _x86_64_ (4 CPU) 08:23:59 LINUX RESTART (4 CPU) 08:25:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:26:01 12.47 3.96 8.51 0.00 962.93 244.60 0.00 08:27:01 0.32 0.00 0.32 0.00 0.00 4.46 0.00 08:28:01 0.27 0.00 0.27 0.00 0.00 3.50 0.00 08:29:01 0.67 0.00 0.67 0.00 0.00 8.58 0.00 08:30:01 0.67 0.00 0.67 0.00 0.00 8.56 0.00 08:31:01 0.65 0.02 0.63 0.00 0.13 8.15 0.00 08:32:01 0.15 0.00 0.15 0.00 0.00 1.73 0.00 08:33:01 0.27 0.00 0.27 0.00 0.00 3.23 0.00 08:34:01 0.28 0.00 0.28 0.00 0.00 3.00 0.00 08:35:01 0.20 0.00 0.20 0.00 0.00 2.20 0.00 08:36:01 0.28 0.00 0.28 0.00 0.00 3.23 0.00 Average: 1.48 0.36 1.11 0.00 87.70 26.52 0.00 08:25:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:26:01 166092 0 559764 29.75 2620 1153080 1117168 38.13 433132 1122492 20 08:27:01 172056 0 553796 29.43 2620 1153084 1069460 36.50 431700 1118648 8 08:28:01 171272 0 554576 29.47 2620 1153088 1069704 36.51 432596 1118648 8 08:29:01 169456 0 556388 29.57 2620 1153092 1069764 36.51 436500 1116264 8 08:30:01 167688 0 558152 29.66 2620 1153096 1069620 36.50 439452 1115724 8 08:31:01 167368 0 558460 29.68 2620 1153108 1069668 36.51 439744 1115724 12 08:32:01 167120 0 558708 29.69 2620 1153108 1069716 36.51 438472 1117300 8 08:33:01 167344 0 558476 29.68 2620 1153116 1069716 36.51 438512 1117300 12 08:34:01 168592 0 557224 29.62 2620 1153120 1069524 36.50 437344 1117300 16 08:35:01 168520 0 557288 29.62 2620 1153128 1069584 36.50 425108 1129744 8 08:36:01 167696 0 558108 29.66 2620 1153132 1069688 36.51 425596 1129740 8 Average: 168473 0 557358 29.62 2620 1153105 1073965 36.65 434378 1119899 11 08:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:26:01 eth0 26.41 20.23 26.47 20.20 0.00 0.00 0.00 0.00 08:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 docker0 1.82 1.47 0.35 3.66 0.00 0.00 0.00 0.00 08:27:01 eth0 1.00 0.08 0.09 0.01 0.00 0.00 0.00 0.00 08:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 eth0 2.65 1.25 2.63 0.44 0.00 0.00 0.00 0.00 08:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 eth0 0.70 0.48 0.33 0.21 0.00 0.00 0.00 0.00 08:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 eth0 0.50 0.18 0.16 0.07 0.00 0.00 0.00 0.00 08:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 eth0 1.17 0.27 0.34 0.20 0.00 0.00 0.00 0.00 08:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 eth0 2.07 0.33 0.41 0.17 0.00 0.00 0.00 0.00 08:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 eth0 1.97 0.85 0.87 0.59 0.00 0.00 0.00 0.00 08:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 eth0 0.22 0.08 0.01 0.04 0.00 0.00 0.00 0.00 08:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 eth0 0.98 0.17 0.14 0.07 0.00 0.00 0.00 0.00 08:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:01 eth0 1.60 0.47 0.44 0.21 0.00 0.00 0.00 0.00 08:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.57 2.22 2.90 2.02 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 0.17 0.13 0.03 0.33 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) 09/17/20 _x86_64_ (4 CPU) 08:23:59 LINUX RESTART (4 CPU) 08:25:01 CPU %user %nice %system %iowait %steal %idle 08:26:01 all 1.32 0.00 0.63 0.07 0.00 97.98 08:26:01 0 1.45 0.00 0.48 0.05 0.00 98.02 08:26:01 1 1.28 0.00 0.73 0.00 0.00 97.98 08:26:01 2 1.20 0.00 0.68 0.20 0.00 97.92 08:26:01 3 1.33 0.00 0.62 0.03 0.00 98.01 08:27:01 all 0.15 0.00 0.02 0.00 0.00 99.83 08:27:01 0 0.00 0.00 0.00 0.00 0.00 100.00 08:27:01 1 0.03 0.00 0.02 0.00 0.00 99.95 08:27:01 2 0.52 0.00 0.03 0.00 0.00 99.45 08:27:01 3 0.05 0.00 0.03 0.00 0.00 99.92 08:28:01 all 0.17 0.00 0.03 0.00 0.00 99.80 08:28:01 0 0.05 0.00 0.03 0.00 0.02 99.90 08:28:01 1 0.05 0.00 0.05 0.00 0.00 99.90 08:28:01 2 0.52 0.00 0.02 0.00 0.00 99.47 08:28:01 3 0.07 0.00 0.02 0.00 0.00 99.92 08:29:01 all 0.15 0.00 0.02 0.00 0.00 99.83 08:29:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:29:01 1 0.40 0.00 0.00 0.00 0.00 99.60 08:29:01 2 0.17 0.00 0.05 0.00 0.00 99.78 08:29:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:30:01 all 0.15 0.00 0.03 0.00 0.00 99.82 08:30:01 0 0.47 0.00 0.03 0.00 0.00 99.50 08:30:01 1 0.05 0.00 0.05 0.00 0.00 99.90 08:30:01 2 0.07 0.00 0.02 0.00 0.00 99.92 08:30:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:31:01 all 0.13 0.00 0.04 0.00 0.00 99.84 08:31:01 0 0.40 0.00 0.08 0.00 0.00 99.52 08:31:01 1 0.02 0.00 0.02 0.00 0.00 99.97 08:31:01 2 0.05 0.00 0.03 0.00 0.00 99.92 08:31:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:32:01 all 0.08 0.00 0.03 0.00 0.00 99.89 08:32:01 0 0.07 0.00 0.00 0.00 0.00 99.93 08:32:01 1 0.03 0.00 0.02 0.00 0.00 99.95 08:32:01 2 0.07 0.00 0.05 0.00 0.00 99.88 08:32:01 3 0.13 0.00 0.07 0.00 0.00 99.80 08:33:01 all 0.03 0.00 0.03 0.00 0.00 99.94 08:33:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:33:01 1 0.02 0.00 0.03 0.00 0.00 99.95 08:33:01 2 0.05 0.00 0.03 0.00 0.00 99.92 08:33:01 3 0.05 0.00 0.02 0.00 0.00 99.93 08:34:01 all 0.05 0.00 0.03 0.00 0.01 99.91 08:34:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:34:01 1 0.03 0.00 0.02 0.00 0.00 99.95 08:34:01 2 0.05 0.00 0.03 0.00 0.02 99.90 08:34:01 3 0.10 0.00 0.03 0.00 0.02 99.85 08:35:01 all 0.14 0.00 0.02 0.00 0.00 99.84 08:35:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:35:01 1 0.03 0.00 0.03 0.00 0.00 99.93 08:35:01 2 0.00 0.00 0.02 0.00 0.00 99.98 08:35:01 3 0.53 0.00 0.00 0.00 0.00 99.47 08:36:01 all 0.16 0.00 0.02 0.00 0.00 99.83 08:36:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:36:01 1 0.03 0.00 0.02 0.00 0.00 99.95 08:36:01 2 0.03 0.00 0.02 0.00 0.00 99.95 08:36:01 3 0.53 0.00 0.02 0.00 0.00 99.45 Average: CPU %user %nice %system %iowait %steal %idle Average: all 0.23 0.00 0.08 0.01 0.00 99.68 Average: 0 0.23 0.00 0.07 0.00 0.00 99.70 Average: 1 0.18 0.00 0.09 0.00 0.00 99.73 Average: 2 0.25 0.00 0.09 0.02 0.00 99.64 Average: 3 0.26 0.00 0.08 0.00 0.00 99.66