---> uname -a: Linux 44eca5a18a1d 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/ndry_app-functions-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1838 655 70 0 1112 1077 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/15/20 _x86_64_ (4 CPU) 00:28:11 LINUX RESTART 00:29:01 tps rtps wtps bread/s bwrtn/s 00:30:01 15.63 2.85 12.79 129.20 2739.86 00:31:01 2.56 0.00 2.56 0.00 85.11 00:32:01 0.72 0.00 0.72 0.00 9.21 00:33:01 0.55 0.00 0.55 0.00 5.70 00:34:02 0.63 0.00 0.63 0.00 7.79 Average: 4.02 0.57 3.45 25.85 569.66 00:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 193184 1689120 89.74 2620 1125624 947388 32.32 436852 1095172 16 00:31:01 200764 1681540 89.33 2620 1125628 901484 30.76 438780 1087148 12 00:32:01 197952 1684352 89.48 2620 1125640 901700 30.77 441956 1087148 8 00:33:01 198944 1683360 89.43 2620 1125640 901484 30.76 447012 1081048 8 00:34:02 198276 1684028 89.47 2620 1125648 901568 30.76 447336 1081052 8 Average: 197824 1684480 89.49 2620 1125636 910725 31.07 442387 1086314 10 00:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:30:01 eth0 121.98 71.94 31.21 314.20 0.00 0.00 0.00 00:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 docker0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 00:31:01 eth0 0.48 0.08 0.04 0.01 0.00 0.00 0.00 00:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 eth0 1.12 0.77 0.58 0.41 0.00 0.00 0.00 00:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:33:01 eth0 0.05 0.03 0.00 0.00 0.00 0.00 0.00 00:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:02 eth0 0.23 0.18 0.08 0.07 0.00 0.00 0.00 00:34:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 24.78 14.61 6.38 62.95 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.01 0.01 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/15/20 _x86_64_ (4 CPU) 00:28:11 LINUX RESTART 00:29:01 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 2.66 0.00 0.66 0.15 0.01 96.52 00:30:01 0 2.59 0.00 0.77 0.00 0.02 96.63 00:30:01 1 2.67 0.00 0.70 0.08 0.00 96.54 00:30:01 2 2.34 0.00 0.60 0.03 0.02 97.01 00:30:01 3 3.04 0.00 0.55 0.47 0.00 95.94 00:31:01 all 0.20 0.00 0.07 0.00 0.00 99.74 00:31:01 0 0.57 0.00 0.07 0.00 0.00 99.37 00:31:01 1 0.05 0.00 0.08 0.00 0.00 99.87 00:31:01 2 0.08 0.00 0.07 0.00 0.00 99.85 00:31:01 3 0.07 0.00 0.05 0.00 0.00 99.88 00:32:01 all 0.21 0.00 0.06 0.00 0.00 99.73 00:32:01 0 0.53 0.00 0.03 0.00 0.00 99.43 00:32:01 1 0.12 0.00 0.05 0.00 0.02 99.82 00:32:01 2 0.08 0.00 0.07 0.00 0.00 99.85 00:32:01 3 0.10 0.00 0.08 0.00 0.00 99.82 00:33:01 all 0.18 0.00 0.06 0.00 0.00 99.76 00:33:01 0 0.03 0.00 0.03 0.00 0.00 99.93 00:33:01 1 0.10 0.00 0.13 0.00 0.00 99.77 00:33:01 2 0.07 0.00 0.05 0.00 0.00 99.88 00:33:01 3 0.53 0.00 0.03 0.00 0.02 99.42 00:34:02 all 0.19 0.00 0.05 0.00 0.00 99.75 00:34:02 0 0.05 0.00 0.05 0.00 0.00 99.90 00:34:02 1 0.50 0.00 0.07 0.00 0.02 99.42 00:34:02 2 0.10 0.00 0.05 0.00 0.00 99.85 00:34:02 3 0.08 0.00 0.05 0.00 0.00 99.87 Average: all 0.69 0.00 0.18 0.03 0.00 99.10 Average: 0 0.75 0.00 0.19 0.00 0.00 99.05 Average: 1 0.69 0.00 0.21 0.02 0.01 99.08 Average: 2 0.53 0.00 0.17 0.01 0.00 99.29 Average: 3 0.76 0.00 0.15 0.09 0.00 98.99