---> uname -a: Linux 232eff6949f8 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 665 119 0 1052 1065 Swap: 1023 0 1023 ---> 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) 07/16/20 _x86_64_ (4 CPU) 07:46:17 LINUX RESTART 07:47:01 tps rtps wtps bread/s bwrtn/s 07:48:01 35.82 10.89 24.94 4491.96 3295.87 07:49:01 1.70 0.00 1.70 0.00 32.33 07:50:01 0.25 0.00 0.25 0.00 2.98 07:51:01 0.28 0.00 0.28 0.00 3.33 Average: 9.52 2.72 6.79 1123.41 833.94 07:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:48:01 237448 1644108 87.38 2620 1075088 1092708 37.29 416420 1068612 24 07:49:01 244928 1636628 86.98 2620 1075092 1067364 36.43 414220 1064624 16 07:50:01 242572 1638984 87.11 2620 1075100 1067548 36.43 416692 1064416 8 07:51:01 238256 1643300 87.34 2620 1075100 1067548 36.43 420928 1064416 8 Average: 240801 1640755 87.20 2620 1075095 1073792 36.65 417065 1065517 14 07:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:48:01 eth0 325.49 262.78 769.05 359.82 0.00 0.00 0.00 07:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 docker0 104.18 87.65 9.09 302.82 0.00 0.00 0.00 07:49:01 eth0 0.58 0.00 0.05 0.00 0.00 0.00 0.00 07:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 eth0 1.15 0.30 0.33 0.20 0.00 0.00 0.00 07:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:51:01 eth0 0.57 0.32 0.27 0.20 0.00 0.00 0.00 07:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 81.98 65.87 192.50 90.09 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 26.05 21.92 2.27 75.73 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) 07/16/20 _x86_64_ (4 CPU) 07:46:17 LINUX RESTART 07:47:01 CPU %user %nice %system %iowait %steal %idle 07:48:01 all 5.22 0.00 2.32 0.92 0.01 91.54 07:48:01 0 6.22 0.00 2.63 0.30 0.00 90.85 07:48:01 1 6.24 0.00 2.19 3.05 0.02 88.50 07:48:01 2 3.75 0.00 1.93 0.23 0.00 94.09 07:48:01 3 4.63 0.00 2.51 0.08 0.00 92.77 07:49:01 all 0.14 0.00 0.04 0.00 0.00 99.82 07:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:49:01 1 0.48 0.00 0.07 0.00 0.00 99.45 07:49:01 2 0.07 0.00 0.07 0.00 0.00 99.87 07:49:01 3 0.02 0.00 0.03 0.00 0.00 99.95 07:50:01 all 0.16 0.00 0.03 0.00 0.00 99.80 07:50:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:50:01 1 0.53 0.00 0.02 0.00 0.00 99.45 07:50:01 2 0.07 0.00 0.02 0.00 0.00 99.92 07:50:01 3 0.03 0.00 0.05 0.00 0.00 99.92 07:51:01 all 0.15 0.00 0.02 0.00 0.00 99.83 07:51:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:51:01 1 0.52 0.00 0.03 0.00 0.00 99.45 07:51:01 2 0.03 0.00 0.02 0.00 0.00 99.95 07:51:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 1.41 0.00 0.60 0.23 0.00 97.75 Average: 0 1.57 0.00 0.67 0.08 0.00 97.69 Average: 1 1.94 0.00 0.58 0.76 0.00 96.72 Average: 2 0.98 0.00 0.50 0.06 0.00 98.46 Average: 3 1.18 0.00 0.65 0.02 0.00 98.15