---> uname -a: Linux d120022b2cd8 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: 2933.436 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 7.6G 42.4G 15% / 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/app-functions-sdk-go/1@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/app-functions-sdk-go/1 ---> free -m: total used free shared buff/cache available Mem: 1838 683 146 0 1007 1064 Swap: 1023 3 1020 ---> 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 12: eth0@if13: 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 (prd-centos7-docker-4c-2g-14975.vexxhost.local) 01/18/20 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps bread/s bwrtn/s 00:01:01 1.37 0.67 0.70 89.11 7.29 00:02:01 1.41 0.57 0.85 100.37 11.53 00:03:01 0.60 0.00 0.60 0.00 6.26 Average: 1.13 0.41 0.72 63.17 8.36 00:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:01:01 724056 1158248 61.53 1668 526960 921020 31.42 459156 481028 8 00:02:01 721764 1160540 61.66 1668 529896 919148 31.36 458856 483800 8 00:03:01 733640 1148664 61.02 1668 529900 919112 31.36 447084 483812 8 Average: 726487 1155817 61.40 1668 528919 919760 31.38 455032 482880 8 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:01:01 eth0 0.22 0.20 0.08 0.07 0.00 0.00 0.00 00:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 eth0 0.20 0.18 0.07 0.01 0.00 0.00 0.00 00:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 00:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.14 0.13 0.05 0.03 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 3.10.0-862.14.4.el7.x86_64 (prd-centos7-docker-4c-2g-14975.vexxhost.local) 01/18/20 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:01:01 all 0.15 0.00 0.06 0.00 0.13 99.65 00:01:01 0 0.03 0.00 0.03 0.00 0.10 99.83 00:01:01 1 0.47 0.00 0.07 0.02 0.17 99.28 00:01:01 2 0.07 0.00 0.08 0.00 0.22 99.63 00:01:01 3 0.07 0.00 0.05 0.00 0.03 99.85 00:02:01 all 0.15 0.00 0.06 0.01 0.17 99.61 00:02:01 0 0.03 0.00 0.03 0.02 0.08 99.83 00:02:01 1 0.47 0.00 0.08 0.02 0.32 99.12 00:02:01 2 0.05 0.00 0.10 0.00 0.20 99.65 00:02:01 3 0.03 0.00 0.03 0.00 0.08 99.85 00:03:01 all 0.11 0.00 0.05 0.00 0.48 99.36 00:03:01 0 0.02 0.00 0.00 0.00 0.28 99.70 00:03:01 1 0.27 0.00 0.07 0.00 0.66 99.00 00:03:01 2 0.12 0.00 0.08 0.00 0.56 99.24 00:03:01 3 0.03 0.00 0.05 0.00 0.38 99.53 Average: all 0.14 0.00 0.06 0.01 0.26 99.54 Average: 0 0.03 0.00 0.02 0.01 0.16 99.79 Average: 1 0.40 0.00 0.07 0.01 0.38 99.14 Average: 2 0.08 0.00 0.09 0.00 0.33 99.51 Average: 3 0.04 0.00 0.04 0.00 0.17 99.74