---> uname -a: Linux 5c8d2fae4cde 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: 2933.396 BogoMIPS: 5866.79 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_PR-316 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/ndry_app-functions-sdk-go_PR-316@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 656 77 0 1104 1076 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/09/20 _x86_64_ (4 CPU) 22:58:22 LINUX RESTART 22:59:01 tps rtps wtps bread/s bwrtn/s 23:00:01 20.46 6.39 14.06 1866.44 2806.54 23:01:01 2.70 0.02 2.68 0.13 87.63 23:02:01 0.53 0.13 0.40 2.66 9.09 23:03:01 0.17 0.00 0.17 0.00 1.47 23:04:01 0.18 0.00 0.18 0.00 2.10 23:05:01 160.19 105.04 55.15 6021.82 17355.50 Average: 30.80 18.66 12.14 1318.65 3387.18 22:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 141252 1741052 92.50 2620 1185864 927456 31.64 471132 1111728 8 23:01:01 146224 1736080 92.23 2620 1185868 898256 30.65 467384 1111416 16 23:02:01 142312 1739992 92.44 2620 1186032 896444 30.59 471860 1111504 8 23:03:01 143244 1739060 92.39 2620 1186036 896288 30.58 471048 1111500 16 23:04:01 142744 1739560 92.42 2620 1186040 896360 30.58 471396 1111504 12 23:05:01 73548 1808756 96.09 2620 1130944 956816 32.65 515712 1081424 14812 Average: 131554 1750750 93.01 2620 1176797 911937 31.11 478089 1106513 2479 22:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:00:01 eth0 331.18 263.58 756.26 348.26 0.00 0.00 0.00 23:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 docker0 114.71 99.62 9.48 302.44 0.00 0.00 0.00 23:01:01 eth0 1.65 0.07 0.15 0.01 0.00 0.00 0.00 23:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:02:01 eth0 1.17 0.47 0.56 0.36 0.00 0.00 0.00 23:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 23:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 eth0 0.58 0.17 0.11 0.07 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 vethfafb426 0.22 0.28 0.37 0.10 0.00 0.00 0.00 23:05:01 eth0 844.09 601.01 3980.85 430.28 0.00 0.00 0.00 23:05:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 23:05:01 docker0 114.49 99.42 9.81 301.38 0.00 0.00 0.00 Average: vethfafb426 0.04 0.05 0.06 0.02 0.00 0.00 0.00 Average: eth0 141.18 100.52 665.83 71.97 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 19.15 16.63 1.64 50.41 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) 04/09/20 _x86_64_ (4 CPU) 22:58:22 LINUX RESTART 22:59:01 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 5.17 0.00 1.86 0.24 0.00 92.72 23:00:01 0 5.54 0.00 2.06 0.07 0.00 92.34 23:00:01 1 5.30 0.00 1.60 0.13 0.00 92.97 23:00:01 2 4.06 0.00 1.97 0.70 0.02 93.25 23:00:01 3 5.77 0.00 1.82 0.07 0.00 92.34 23:01:01 all 0.16 0.00 0.07 0.00 0.00 99.76 23:01:01 0 0.05 0.00 0.07 0.00 0.00 99.88 23:01:01 1 0.07 0.00 0.07 0.00 0.02 99.85 23:01:01 2 0.47 0.00 0.08 0.00 0.00 99.45 23:01:01 3 0.05 0.00 0.07 0.00 0.02 99.87 23:02:01 all 0.18 0.00 0.07 0.00 0.00 99.75 23:02:01 0 0.07 0.00 0.08 0.00 0.00 99.85 23:02:01 1 0.10 0.00 0.07 0.00 0.00 99.83 23:02:01 2 0.08 0.00 0.05 0.00 0.00 99.87 23:02:01 3 0.50 0.00 0.08 0.00 0.00 99.42 23:03:01 all 0.05 0.00 0.05 0.00 0.00 99.90 23:03:01 0 0.05 0.00 0.05 0.00 0.00 99.90 23:03:01 1 0.08 0.00 0.07 0.00 0.00 99.85 23:03:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:03:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:04:01 all 0.12 0.00 0.05 0.00 0.00 99.83 23:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:04:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:04:01 2 0.08 0.00 0.07 0.00 0.00 99.85 23:04:01 3 0.30 0.00 0.05 0.00 0.00 99.65 23:05:01 all 6.16 0.00 3.34 2.37 0.02 88.11 23:05:01 0 7.54 0.00 3.53 3.24 0.02 85.67 23:05:01 1 5.57 0.00 3.07 1.30 0.02 90.04 23:05:01 2 6.37 0.00 3.50 2.92 0.02 87.19 23:05:01 3 5.13 0.00 3.28 2.04 0.02 89.53 Average: all 1.97 0.00 0.91 0.44 0.00 96.68 Average: 0 2.21 0.00 0.97 0.55 0.00 96.27 Average: 1 1.86 0.00 0.82 0.24 0.01 97.07 Average: 2 1.85 0.00 0.95 0.60 0.01 96.59 Average: 3 1.96 0.00 0.89 0.35 0.01 96.79