---> uname -a: Linux e9f2a543a3c2 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% /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 /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 764 109 0 962 1005 Swap: 1023 2 1021 ---> 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) 06/23/20 _x86_64_ (4 CPU) 18:15:35 LINUX RESTART 18:16:02 tps rtps wtps bread/s bwrtn/s 18:17:01 104.38 42.09 62.29 7682.11 15834.76 18:18:01 2.60 0.00 2.60 0.00 96.74 18:19:01 0.35 0.00 0.35 0.00 5.03 18:20:01 0.45 0.00 0.45 0.00 6.78 18:21:01 0.17 0.00 0.17 0.00 1.88 18:22:01 0.33 0.00 0.33 0.00 5.36 18:23:01 264.21 160.80 103.41 6997.04 34525.74 18:24:01 236.48 104.16 132.32 6683.89 32108.99 Average: 76.09 38.38 37.70 2660.89 10314.93 18:16:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:17:01 200864 1680692 89.32 2620 1098028 1108112 37.82 447216 1073996 120 18:18:01 203104 1678452 89.21 2620 1098164 1107892 37.81 446980 1072380 20 18:19:01 203984 1677572 89.16 2620 1098172 1091416 37.25 448776 1070252 16 18:20:01 200864 1680692 89.32 2620 1098172 1087428 37.11 453048 1069364 16 18:21:01 203016 1678540 89.21 2620 1098176 1072760 36.61 460676 1059572 12 18:22:01 202156 1679400 89.26 2620 1098184 1072988 36.62 462064 1059568 8 18:23:01 264740 1616816 85.93 2596 980540 1139484 38.89 519864 900136 24 18:24:01 162872 1718684 91.34 1492 985432 1169564 39.92 615080 814980 88 Average: 205200 1676356 89.09 2476 1069359 1106206 37.75 481713 1015031 38 18:16:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:17:01 eth0 775.65 508.90 1686.44 422.15 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 111.95 101.83 9.52 308.32 0.00 0.00 0.00 18:18:01 eth0 5.40 1.42 1.39 1.33 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 eth0 3.86 0.92 1.12 0.56 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 eth0 2.15 0.78 0.88 0.59 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 eth0 2.47 0.08 0.24 0.04 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 3.63 1.17 1.34 0.82 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 eth0 460.65 282.65 4417.16 59.44 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 39.22 40.35 3.65 303.72 0.00 0.00 0.00 18:24:01 eth0 223.92 154.33 3404.88 66.89 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 23.83 27.50 1.66 157.80 0.00 0.00 0.00 Average: eth0 183.55 118.01 1188.51 68.27 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 21.70 21.05 1.84 95.82 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) 06/23/20 _x86_64_ (4 CPU) 18:15:35 LINUX RESTART 18:16:02 CPU %user %nice %system %iowait %steal %idle 18:17:01 all 16.94 0.00 6.77 5.10 0.05 71.14 18:17:01 0 16.73 0.00 7.87 5.19 0.05 70.16 18:17:01 1 16.40 0.00 5.98 6.77 0.07 70.78 18:17:01 2 17.01 0.00 7.20 2.82 0.03 72.93 18:17:01 3 17.62 0.00 6.06 5.61 0.05 70.65 18:18:01 all 0.14 0.00 0.06 0.00 0.00 99.80 18:18:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:18:01 1 0.32 0.00 0.07 0.00 0.00 99.62 18:18:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:18:01 3 0.10 0.00 0.05 0.00 0.00 99.85 18:19:01 all 0.20 0.00 0.05 0.00 0.00 99.75 18:19:01 0 0.13 0.00 0.05 0.00 0.00 99.82 18:19:01 1 0.58 0.00 0.05 0.00 0.00 99.37 18:19:01 2 0.08 0.00 0.07 0.00 0.00 99.85 18:19:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:20:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:20:01 0 0.05 0.00 0.05 0.00 0.02 99.88 18:20:01 1 0.45 0.00 0.02 0.00 0.00 99.53 18:20:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:20:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:21:01 all 0.14 0.00 0.04 0.00 0.00 99.82 18:21:01 0 0.02 0.00 0.07 0.00 0.00 99.92 18:21:01 1 0.47 0.00 0.03 0.00 0.00 99.50 18:21:01 2 0.05 0.00 0.03 0.00 0.02 99.90 18:21:01 3 0.03 0.00 0.02 0.00 0.00 99.95 18:22:01 all 0.15 0.00 0.06 0.00 0.00 99.78 18:22:01 0 0.05 0.00 0.15 0.00 0.00 99.80 18:22:01 1 0.47 0.00 0.03 0.00 0.00 99.50 18:22:01 2 0.07 0.00 0.03 0.00 0.00 99.90 18:22:01 3 0.07 0.00 0.07 0.00 0.00 99.87 18:23:01 all 10.21 0.00 6.02 2.13 0.08 81.56 18:23:01 0 9.67 0.00 6.32 3.18 0.07 80.76 18:23:01 1 9.91 0.00 5.71 1.13 0.10 83.15 18:23:01 2 10.40 0.00 6.44 1.96 0.07 81.14 18:23:01 3 10.84 0.00 5.61 2.26 0.07 81.22 18:24:01 all 11.13 0.00 7.94 3.36 0.03 77.55 18:24:01 0 9.67 0.00 7.62 5.15 0.03 77.54 18:24:01 1 10.33 0.00 7.81 2.61 0.02 79.24 18:24:01 2 12.64 0.00 8.43 2.70 0.03 76.18 18:24:01 3 11.88 0.00 7.91 2.95 0.02 77.25 Average: all 4.82 0.00 2.59 1.30 0.02 91.26 Average: 0 4.48 0.00 2.74 1.67 0.02 91.09 Average: 1 4.81 0.00 2.44 1.29 0.02 91.43 Average: 2 4.99 0.00 2.76 0.92 0.02 91.31 Average: 3 5.01 0.00 2.44 1.33 0.02 91.20