---> uname -a: Linux 69bd86743c3c 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 781 120 0 936 984 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 12: eth0@if13: 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) 09/03/20 _x86_64_ (4 CPU) 17:32:10 LINUX RESTART (4 CPU) 17:33:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:34:01 61.16 15.39 45.77 0.00 5143.03 6705.11 0.00 17:35:01 1.46 0.00 1.46 0.00 0.00 27.81 0.00 17:36:01 0.37 0.00 0.37 0.00 0.00 5.40 0.00 17:37:01 0.25 0.00 0.25 0.00 0.00 2.83 0.00 17:38:02 0.48 0.25 0.23 0.00 205.54 3.25 0.00 17:39:01 310.70 179.21 131.50 0.00 7581.81 44093.00 0.00 Average: 61.73 32.12 29.61 0.00 2131.98 8380.81 0.00 17:33:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:34:01 208480 0 577644 30.70 2620 1092812 1154704 39.41 444480 1069584 120 17:35:01 220256 0 565864 30.07 2620 1092816 1063352 36.29 438836 1065532 20 17:36:01 219836 0 566276 30.10 2620 1092824 1063460 36.29 439556 1065532 16 17:37:01 216308 0 569804 30.28 2620 1092824 1063508 36.30 444592 1063912 16 17:38:02 134784 0 638628 33.94 2620 1105524 1464208 49.97 529692 1057496 6456 17:39:01 80156 0 702328 37.33 2596 1096476 1525740 52.07 667500 941332 26856 Average: 179970 0 603424 32.07 2616 1095546 1222495 41.72 494109 1043898 5581 17:33:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:34:01 eth0 310.06 267.59 1103.07 378.69 0.00 0.00 0.00 0.00 17:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 docker0 119.54 95.48 10.25 309.34 0.00 0.00 0.00 0.00 17:35:01 eth0 0.77 0.08 0.06 0.01 0.00 0.00 0.00 0.00 17:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 eth0 1.27 0.55 0.57 0.21 0.00 0.00 0.00 0.00 17:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 eth0 0.38 0.27 0.26 0.16 0.00 0.00 0.00 0.00 17:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:02 eth0 14.16 10.68 114.40 1.92 0.00 0.00 0.00 0.00 17:38:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:39:01 eth0 326.32 220.24 7692.29 63.11 0.00 0.00 0.00 0.00 17:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:39:01 docker0 50.26 51.63 4.59 420.31 0.00 0.00 0.00 0.00 Average: eth0 107.68 82.35 1469.32 73.19 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 27.98 24.25 2.45 120.27 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) 09/03/20 _x86_64_ (4 CPU) 17:32:10 LINUX RESTART (4 CPU) 17:33:02 CPU %user %nice %system %iowait %steal %idle 17:34:01 all 5.57 0.00 3.36 1.95 8.89 80.23 17:34:01 0 6.74 0.00 4.21 1.28 9.30 78.47 17:34:01 1 5.40 0.00 2.91 1.66 8.68 81.35 17:34:01 2 5.62 0.00 3.15 0.29 8.69 82.26 17:34:01 3 4.54 0.00 3.16 4.56 8.88 78.86 17:35:01 all 0.07 0.00 0.06 0.00 0.61 99.26 17:35:01 0 0.00 0.00 0.07 0.00 0.40 99.54 17:35:01 1 0.02 0.00 0.05 0.00 0.43 99.50 17:35:01 2 0.03 0.00 0.08 0.00 0.86 99.02 17:35:01 3 0.23 0.00 0.03 0.00 0.75 98.99 17:36:01 all 0.10 0.00 0.02 0.00 0.32 99.57 17:36:01 0 0.02 0.00 0.00 0.00 0.13 99.85 17:36:01 1 0.02 0.00 0.02 0.00 0.43 99.53 17:36:01 2 0.03 0.00 0.03 0.00 0.53 99.40 17:36:01 3 0.32 0.00 0.02 0.00 0.17 99.50 17:37:01 all 0.08 0.00 0.03 0.00 0.37 99.51 17:37:01 0 0.02 0.00 0.02 0.00 0.10 99.87 17:37:01 1 0.05 0.00 0.05 0.00 0.88 99.02 17:37:01 2 0.03 0.00 0.03 0.00 0.27 99.67 17:37:01 3 0.23 0.00 0.02 0.00 0.25 99.50 17:38:02 all 0.16 0.00 0.12 0.01 0.90 98.81 17:38:02 0 0.05 0.00 0.10 0.02 0.99 98.84 17:38:02 1 0.15 0.00 0.18 0.02 1.13 98.53 17:38:02 2 0.08 0.00 0.15 0.00 0.58 99.19 17:38:02 3 0.35 0.00 0.05 0.00 0.91 98.69 17:39:01 all 8.69 0.00 5.65 2.41 17.52 65.73 17:39:01 0 7.92 0.00 4.58 3.55 19.06 64.89 17:39:01 1 8.52 0.00 5.95 2.25 17.49 65.80 17:39:01 2 8.59 0.00 6.03 2.05 16.96 66.38 17:39:01 3 9.78 0.00 6.06 1.77 16.51 65.88 Average: all 2.41 0.00 1.52 0.72 4.70 90.65 Average: 0 2.44 0.00 1.48 0.80 4.96 90.32 Average: 1 2.34 0.00 1.51 0.65 4.80 90.70 Average: 2 2.36 0.00 1.55 0.38 4.58 91.13 Average: 3 2.52 0.00 1.52 1.05 4.48 90.43