---> uname -a: Linux 87780f8feb62 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: 2933.442 BogoMIPS: 5866.88 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 763 96 0 977 1007 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 16: eth0@if17: 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) 06/17/20 _x86_64_ (4 CPU) 16:28:28 LINUX RESTART 16:29:01 tps rtps wtps bread/s bwrtn/s 16:30:01 60.61 15.17 45.45 4964.87 6492.33 16:31:01 1.72 0.00 1.72 0.00 33.41 16:32:01 0.18 0.00 0.18 0.00 2.17 16:33:01 0.32 0.00 0.32 0.00 3.56 16:34:01 0.27 0.00 0.27 0.00 2.80 16:35:01 37.47 8.22 29.25 500.62 17942.37 16:36:02 424.50 223.90 200.60 10619.94 46676.27 Average: 75.05 35.35 39.70 2298.97 10169.34 16:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:01 202892 1678664 89.22 2620 1105424 1104788 37.70 450888 1067692 120 16:31:01 209008 1672548 88.89 2620 1105400 1061000 36.21 450460 1063488 8 16:32:01 208904 1672652 88.90 2620 1105404 1061072 36.21 450972 1063484 8 16:33:01 206716 1674840 89.01 2620 1105408 1061172 36.22 453080 1063224 8 16:34:01 207344 1674212 88.98 2620 1105412 1061088 36.21 455668 1060036 16 16:35:01 65940 1815616 96.50 2620 1135232 1486596 50.73 628224 997380 42908 16:36:02 109336 1772220 94.19 1500 993080 1249224 42.63 705424 769676 54896 Average: 172877 1708679 90.81 2460 1093623 1154991 39.42 513531 1012140 13995 16:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:30:01 eth0 608.17 455.37 1304.56 399.20 0.00 0.00 0.00 16:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 docker0 113.97 104.26 9.79 305.74 0.00 0.00 0.00 16:31:01 eth0 0.77 0.23 0.17 0.03 0.00 0.00 0.00 16:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 eth0 1.10 0.50 0.33 0.45 0.00 0.00 0.00 16:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 eth0 0.53 0.32 0.27 0.20 0.00 0.00 0.00 16:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 eth0 0.20 0.15 0.08 0.04 0.00 0.00 0.00 16:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 eth0 122.97 86.57 3763.72 9.52 0.00 0.00 0.00 16:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:36:02 vethdee73fc 36.81 40.34 2.97 174.76 0.00 0.00 0.00 16:36:02 eth0 1442.49 1029.82 9496.78 511.01 0.00 0.00 0.00 16:36:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 16:36:02 docker0 190.18 183.42 16.06 785.67 0.00 0.00 0.00 Average: vethdee73fc 5.26 5.77 0.42 24.98 0.00 0.00 0.00 Average: eth0 206.19 147.20 1357.46 73.04 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 27.18 26.22 2.30 112.30 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) 06/17/20 _x86_64_ (4 CPU) 16:28:28 LINUX RESTART 16:29:01 CPU %user %nice %system %iowait %steal %idle 16:30:01 all 9.01 0.00 3.21 1.80 0.00 85.98 16:30:01 0 10.81 0.00 3.85 5.40 0.02 79.92 16:30:01 1 8.83 0.00 2.24 0.59 0.00 88.34 16:30:01 2 7.44 0.00 3.77 0.82 0.02 87.96 16:30:01 3 8.97 0.00 3.00 0.38 0.00 87.65 16:31:01 all 0.05 0.00 0.05 0.00 0.00 99.91 16:31:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:31:01 1 0.07 0.00 0.10 0.00 0.00 99.83 16:31:01 2 0.05 0.00 0.05 0.00 0.00 99.90 16:31:01 3 0.05 0.00 0.02 0.00 0.00 99.93 16:32:01 all 0.10 0.00 0.03 0.00 0.00 99.86 16:32:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:32:01 1 0.33 0.00 0.03 0.00 0.00 99.63 16:32:01 2 0.02 0.00 0.03 0.00 0.00 99.95 16:32:01 3 0.02 0.00 0.02 0.00 0.00 99.97 16:33:01 all 0.15 0.00 0.02 0.00 0.00 99.83 16:33:01 0 0.00 0.00 0.05 0.00 0.00 99.95 16:33:01 1 0.55 0.00 0.03 0.00 0.00 99.42 16:33:01 2 0.02 0.00 0.03 0.00 0.00 99.95 16:33:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:34:01 all 0.16 0.00 0.03 0.00 0.00 99.81 16:34:01 0 0.03 0.00 0.00 0.00 0.00 99.97 16:34:01 1 0.52 0.00 0.03 0.00 0.00 99.45 16:34:01 2 0.03 0.00 0.03 0.00 0.00 99.93 16:34:01 3 0.05 0.00 0.05 0.00 0.00 99.90 16:35:01 all 3.77 0.00 1.96 0.10 0.01 94.16 16:35:01 0 3.87 0.00 1.99 0.12 0.00 94.02 16:35:01 1 3.80 0.00 2.06 0.03 0.02 94.10 16:35:01 2 3.58 0.00 1.91 0.22 0.02 94.28 16:35:01 3 3.84 0.00 1.82 0.03 0.02 94.28 16:36:02 all 14.40 0.00 8.48 5.41 0.03 71.69 16:36:02 0 12.62 0.00 9.04 4.48 0.05 73.81 16:36:02 1 13.57 0.00 7.37 5.24 0.03 73.78 16:36:02 2 16.76 0.00 9.11 5.55 0.02 68.56 16:36:02 3 14.63 0.00 8.41 6.37 0.02 70.58 Average: all 3.92 0.00 1.95 1.03 0.01 93.09 Average: 0 3.89 0.00 2.12 1.42 0.01 92.56 Average: 1 3.93 0.00 1.68 0.83 0.01 93.56 Average: 2 3.95 0.00 2.12 0.93 0.01 92.99 Average: 3 3.91 0.00 1.89 0.96 0.00 93.24