---> uname -a: Linux cd7c9c52a11d 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-414 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-414@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 111 0 1055 1060 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) 07/21/20 _x86_64_ (4 CPU) 15:17:25 LINUX RESTART 15:18:01 tps rtps wtps bread/s bwrtn/s 15:19:01 61.83 16.44 45.39 5184.23 6618.02 15:20:01 1.77 0.00 1.77 0.00 35.69 15:21:01 0.23 0.00 0.23 0.00 2.20 15:22:01 0.30 0.00 0.30 0.00 3.91 15:23:01 0.18 0.00 0.18 0.00 2.12 15:24:01 0.33 0.00 0.33 0.00 4.98 Average: 10.64 2.70 7.94 852.79 1096.81 15:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:19:01 194412 1687144 89.67 2620 1110876 1107308 37.79 458928 1068052 120 15:20:01 200744 1680812 89.33 2620 1110840 1064488 36.33 457092 1064728 8 15:21:01 197632 1683924 89.50 2620 1110848 1064796 36.34 460316 1064728 8 15:22:01 194524 1687032 89.66 2620 1110848 1064724 36.34 464152 1063992 8 15:23:01 195188 1686368 89.63 2620 1110852 1064640 36.33 464740 1062944 16 15:24:01 195532 1686024 89.61 2620 1110860 1064556 36.33 464424 1062872 12 Average: 196339 1685217 89.57 2620 1110854 1071752 36.58 461609 1064553 29 15:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:19:01 eth0 647.10 467.33 1455.70 411.98 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 docker0 112.50 96.84 9.83 308.25 0.00 0.00 0.00 15:20:01 eth0 0.78 0.08 0.06 0.02 0.00 0.00 0.00 15:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 eth0 0.98 0.30 0.32 0.20 0.00 0.00 0.00 15:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 eth0 0.47 0.25 0.27 0.16 0.00 0.00 0.00 15:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 eth0 0.20 0.18 0.08 0.10 0.00 0.00 0.00 15:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 15:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 106.87 77.03 239.58 67.85 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.51 15.93 1.62 50.71 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) 07/21/20 _x86_64_ (4 CPU) 15:17:25 LINUX RESTART 15:18:01 CPU %user %nice %system %iowait %steal %idle 15:19:01 all 9.85 0.00 3.78 2.10 0.02 84.26 15:19:01 0 9.48 0.00 3.93 0.22 0.02 86.35 15:19:01 1 8.15 0.00 3.91 2.76 0.02 85.16 15:19:01 2 9.99 0.00 3.46 0.36 0.02 86.17 15:19:01 3 11.76 0.00 3.82 5.09 0.02 79.32 15:20:01 all 0.05 0.00 0.03 0.00 0.00 99.91 15:20:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:20:01 1 0.12 0.00 0.03 0.00 0.00 99.85 15:20:01 2 0.08 0.00 0.03 0.00 0.00 99.88 15:20:01 3 0.02 0.00 0.03 0.00 0.00 99.95 15:21:01 all 0.15 0.00 0.03 0.00 0.00 99.81 15:21:01 0 0.02 0.00 0.02 0.00 0.02 99.95 15:21:01 1 0.47 0.00 0.02 0.00 0.00 99.52 15:21:01 2 0.08 0.00 0.08 0.00 0.02 99.82 15:21:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:22:01 all 0.16 0.00 0.03 0.00 0.00 99.81 15:22:01 0 0.05 0.00 0.02 0.00 0.00 99.93 15:22:01 1 0.52 0.00 0.03 0.00 0.02 99.43 15:22:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:22:01 3 0.03 0.00 0.02 0.00 0.00 99.95 15:23:01 all 0.17 0.00 0.05 0.00 0.00 99.78 15:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:23:01 1 0.35 0.00 0.08 0.00 0.00 99.57 15:23:01 2 0.27 0.00 0.05 0.00 0.00 99.68 15:23:01 3 0.02 0.00 0.00 0.00 0.00 99.98 15:24:01 all 0.15 0.00 0.04 0.00 0.00 99.81 15:24:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:24:01 1 0.02 0.00 0.07 0.00 0.00 99.92 15:24:01 2 0.55 0.00 0.05 0.00 0.00 99.40 15:24:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 1.73 0.00 0.65 0.34 0.00 97.28 Average: 0 1.57 0.00 0.66 0.04 0.01 97.73 Average: 1 1.58 0.00 0.68 0.45 0.01 97.28 Average: 2 1.81 0.00 0.61 0.06 0.01 97.51 Average: 3 1.94 0.00 0.64 0.83 0.00 96.58