---> uname -a: Linux 87c5b9ae83c4 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 7.0G 43.0G 14% / 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-467@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/ndry_app-functions-sdk-go_PR-467 ---> free -m: total used free shared buff/cache available Mem: 1837 657 143 0 1036 1072 Swap: 1023 1 1022 ---> 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) 09/04/20 _x86_64_ (4 CPU) 19:24:13 LINUX RESTART (4 CPU) 19:25:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:26:01 32.86 11.22 21.64 0.00 4459.73 3279.29 0.00 19:27:01 1.40 0.00 1.40 0.00 0.00 24.75 0.00 19:28:01 0.27 0.00 0.27 0.00 0.00 3.15 0.00 Average: 11.51 3.74 7.77 0.00 1486.82 1102.58 0.00 19:25:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:26:01 170728 0 579664 30.81 2620 1128544 1128264 38.51 440208 1110612 20 19:27:01 177088 0 573300 30.47 2620 1128548 1081320 36.90 438380 1106980 12 19:28:01 176748 0 573632 30.49 2620 1128556 1081500 36.91 439268 1106984 8 Average: 174855 0 575532 30.59 2620 1128549 1097028 37.44 439285 1108192 13 19:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:26:01 eth0 329.53 272.73 771.34 363.20 0.00 0.00 0.00 0.00 19:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 docker0 101.83 69.37 8.76 301.38 0.00 0.00 0.00 0.00 19:27:01 eth0 0.78 0.07 0.06 0.01 0.00 0.00 0.00 0.00 19:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 eth0 0.38 0.35 0.26 0.20 0.00 0.00 0.00 0.00 19:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 110.25 91.06 257.26 121.15 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 33.95 23.13 2.92 100.48 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) 09/04/20 _x86_64_ (4 CPU) 19:24:13 LINUX RESTART (4 CPU) 19:25:01 CPU %user %nice %system %iowait %steal %idle 19:26:01 all 5.21 0.00 2.26 0.78 0.01 91.75 19:26:01 0 3.99 0.00 2.43 0.35 0.00 93.22 19:26:01 1 4.87 0.00 2.18 0.33 0.02 92.60 19:26:01 2 7.95 0.00 2.36 2.36 0.00 87.33 19:26:01 3 4.01 0.00 2.08 0.05 0.02 93.85 19:27:01 all 0.14 0.00 0.04 0.00 0.00 99.82 19:27:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:27:01 1 0.45 0.00 0.05 0.00 0.00 99.50 19:27:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:27:01 3 0.02 0.00 0.05 0.00 0.00 99.93 19:28:01 all 0.15 0.00 0.03 0.00 0.00 99.81 19:28:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:28:01 1 0.50 0.00 0.05 0.00 0.00 99.45 19:28:01 2 0.02 0.00 0.03 0.00 0.02 99.93 19:28:01 3 0.05 0.00 0.02 0.00 0.00 99.93 Average: all 1.83 0.00 0.78 0.26 0.00 97.14 Average: 0 1.35 0.00 0.83 0.12 0.00 97.71 Average: 1 1.94 0.00 0.76 0.11 0.01 97.19 Average: 2 2.67 0.00 0.81 0.78 0.01 95.74 Average: 3 1.35 0.00 0.71 0.02 0.01 97.91