---> uname -a: Linux 066c4cf0c212 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 782 130 0 924 992 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) 09/24/20 _x86_64_ (4 CPU) 18:12:57 LINUX RESTART (4 CPU) 18:14:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:15:01 11.00 3.73 7.27 0.00 701.85 1326.74 0.00 18:16:02 0.32 0.00 0.32 0.00 0.00 4.20 0.00 18:17:01 0.29 0.00 0.29 0.00 0.00 3.40 0.00 18:18:01 0.27 0.00 0.27 0.00 0.00 3.25 0.00 18:19:01 257.11 143.26 113.85 0.00 7624.23 35363.45 0.00 18:20:01 223.20 83.04 140.16 0.00 5045.14 33587.88 0.00 Average: 82.28 38.46 43.83 0.00 2235.34 11750.63 0.00 18:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:15:01 199372 0 587364 31.22 2620 1092200 1101444 37.59 443892 1078960 12 18:16:02 207204 0 579640 30.81 2620 1092092 1064576 36.33 443844 1072512 8 18:17:01 203380 0 583460 31.01 2620 1092096 1064864 36.34 447700 1072512 8 18:18:01 200944 0 585892 31.14 2620 1092100 1064756 36.34 454876 1067820 8 18:19:01 114036 0 701500 37.28 2596 1063424 1368728 46.71 601292 943496 1432 18:20:01 229380 0 739608 39.31 1500 911068 1314868 44.87 621740 743592 48 Average: 192386 0 629577 33.46 2429 1057163 1163206 39.70 502224 996482 253 18:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:15:01 eth0 220.44 190.74 345.06 329.57 0.00 0.00 0.00 0.00 18:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:01 docker0 104.66 88.41 8.95 303.76 0.00 0.00 0.00 0.00 18:16:02 eth0 0.72 0.08 0.06 0.01 0.00 0.00 0.00 0.00 18:16:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 eth0 1.49 0.27 0.38 0.20 0.00 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 eth0 0.52 0.40 0.27 0.21 0.00 0.00 0.00 0.00 18:18:01 lo 0.00 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 0.00 18:19:01 vetha9c0e57 55.64 60.19 5.19 408.29 0.00 0.00 0.00 0.00 18:19:01 eth0 477.36 420.49 4197.90 47.63 0.00 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 55.64 60.05 4.43 408.28 0.00 0.00 0.00 0.00 18:20:01 veth9a9b660 0.73 0.60 0.15 0.16 0.00 0.00 0.00 0.00 18:20:01 eth0 694.24 522.19 3792.61 125.67 0.00 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 30.86 37.03 1.99 201.33 0.00 0.00 0.00 0.00 Average: veth9a9b660 0.12 0.10 0.03 0.03 0.00 0.00 0.00 0.00 Average: eth0 233.16 189.60 1393.62 84.13 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 31.96 31.01 2.57 152.69 0.00 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) 09/24/20 _x86_64_ (4 CPU) 18:12:57 LINUX RESTART (4 CPU) 18:14:01 CPU %user %nice %system %iowait %steal %idle 18:15:01 all 3.27 0.00 1.11 0.08 0.01 95.52 18:15:01 0 2.70 0.00 1.57 0.10 0.02 95.61 18:15:01 1 3.09 0.00 0.74 0.02 0.02 96.14 18:15:01 2 3.01 0.00 1.17 0.05 0.00 95.77 18:15:01 3 4.29 0.00 0.97 0.15 0.02 94.57 18:16:02 all 0.14 0.00 0.04 0.00 0.00 99.82 18:16:02 0 0.02 0.00 0.02 0.00 0.00 99.97 18:16:02 1 0.03 0.00 0.07 0.00 0.00 99.90 18:16:02 2 0.47 0.00 0.03 0.00 0.00 99.50 18:16:02 3 0.03 0.00 0.03 0.00 0.00 99.93 18:17:01 all 0.17 0.00 0.03 0.00 0.00 99.79 18:17:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:17:01 1 0.12 0.00 0.05 0.00 0.02 99.81 18:17:01 2 0.54 0.00 0.03 0.00 0.00 99.42 18:17:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:18:01 all 0.15 0.00 0.03 0.00 0.00 99.81 18:18:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:18:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:18:01 2 0.52 0.00 0.07 0.00 0.02 99.40 18:18:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:19:01 all 8.79 0.00 5.51 1.94 0.06 83.69 18:19:01 0 9.34 0.00 6.33 1.83 0.09 82.42 18:19:01 1 8.08 0.00 5.07 1.81 0.07 84.97 18:19:01 2 9.07 0.00 5.20 2.15 0.03 83.55 18:19:01 3 8.68 0.00 5.46 1.99 0.07 83.80 18:20:01 all 12.95 0.00 8.91 3.01 0.08 75.05 18:20:01 0 11.72 0.00 8.98 2.75 0.09 76.46 18:20:01 1 12.20 0.00 8.39 2.94 0.05 76.42 18:20:01 2 13.02 0.00 8.71 1.99 0.09 76.19 18:20:01 3 14.86 0.00 9.55 4.35 0.10 71.14 Average: all 4.21 0.00 2.58 0.83 0.03 92.35 Average: 0 3.93 0.00 2.79 0.77 0.03 92.48 Average: 1 3.90 0.00 2.37 0.79 0.03 92.91 Average: 2 4.41 0.00 2.51 0.69 0.02 92.36 Average: 3 4.61 0.00 2.65 1.07 0.03 91.65