---> uname -a: Linux 001ba2446f43 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: 2933.396 BogoMIPS: 5866.79 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% /w/workspace/ndry_app-functions-sdk-go_PR-434 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-434@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 670 123 0 1042 1060 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) 08/04/20 _x86_64_ (4 CPU) 21:29:32 LINUX RESTART 21:30:02 tps rtps wtps bread/s bwrtn/s 21:31:01 64.49 21.04 43.46 5606.63 6572.69 21:32:01 1.78 0.00 1.78 0.00 33.11 21:33:01 0.23 0.00 0.23 0.00 3.46 21:34:01 0.22 0.00 0.22 0.00 2.90 21:35:01 0.23 0.00 0.23 0.00 3.63 21:36:02 29.99 29.54 0.45 3177.22 6.93 Average: 16.03 8.40 7.63 1452.99 1089.24 21:30:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:31:01 199532 1682024 89.40 2620 1088896 1116920 38.12 446812 1076224 120 21:32:01 206264 1675292 89.04 2620 1088960 1084152 37.00 445980 1071264 20 21:33:01 203992 1677564 89.16 2620 1088968 1074112 36.66 448968 1070732 20 21:34:01 204120 1677436 89.15 2620 1088968 1074200 36.66 449172 1070732 16 21:35:01 204628 1676928 89.12 2620 1088976 1073936 36.65 458604 1060916 8 21:36:02 73652 1807904 96.09 2620 1184488 1119804 38.22 493748 1155748 80 Average: 182031 1699525 90.33 2620 1104876 1090521 37.22 457214 1084269 44 21:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:31:01 eth0 780.06 488.81 1665.56 420.20 0.00 0.00 0.00 21:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:31:01 docker0 100.29 89.44 8.28 307.32 0.00 0.00 0.00 21:32:01 eth0 4.38 1.53 3.66 0.10 0.00 0.00 0.00 21:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 eth0 1.02 0.47 0.32 0.21 0.00 0.00 0.00 21:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 eth0 0.27 0.22 0.25 0.19 0.00 0.00 0.00 21:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 21:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:36:02 eth0 5.03 3.28 4.41 4.95 0.00 0.00 0.00 21:36:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:36:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 130.08 81.32 275.35 70.01 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.49 14.71 1.36 50.54 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) 08/04/20 _x86_64_ (4 CPU) 21:29:32 LINUX RESTART 21:30:02 CPU %user %nice %system %iowait %steal %idle 21:31:01 all 15.12 0.00 4.24 2.41 0.01 78.23 21:31:01 0 15.04 0.00 5.21 5.26 0.00 74.48 21:31:01 1 14.81 0.00 3.92 0.82 0.02 80.44 21:31:01 2 16.15 0.00 4.16 1.82 0.00 77.86 21:31:01 3 14.48 0.00 3.70 1.72 0.02 80.09 21:32:01 all 0.19 0.00 0.06 0.00 0.00 99.75 21:32:01 0 0.53 0.00 0.07 0.00 0.00 99.40 21:32:01 1 0.10 0.00 0.10 0.00 0.00 99.80 21:32:01 2 0.05 0.00 0.05 0.00 0.00 99.90 21:32:01 3 0.08 0.00 0.03 0.00 0.00 99.88 21:33:01 all 0.18 0.00 0.04 0.00 0.00 99.78 21:33:01 0 0.53 0.00 0.03 0.00 0.00 99.43 21:33:01 1 0.08 0.00 0.02 0.00 0.00 99.90 21:33:01 2 0.07 0.00 0.03 0.00 0.02 99.88 21:33:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:34:01 all 0.10 0.00 0.03 0.00 0.00 99.87 21:34:01 0 0.32 0.00 0.02 0.00 0.00 99.67 21:34:01 1 0.02 0.00 0.03 0.00 0.00 99.95 21:34:01 2 0.03 0.00 0.07 0.00 0.00 99.90 21:34:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:35:01 all 0.16 0.00 0.04 0.00 0.00 99.80 21:35:01 0 0.53 0.00 0.02 0.00 0.00 99.45 21:35:01 1 0.03 0.00 0.08 0.00 0.00 99.88 21:35:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:35:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:36:02 all 0.52 0.00 0.21 0.63 0.00 98.64 21:36:02 0 0.58 0.00 0.22 0.48 0.00 98.72 21:36:02 1 0.13 0.00 0.18 0.03 0.00 99.65 21:36:02 2 0.25 0.00 0.08 0.02 0.00 99.65 21:36:02 3 1.08 0.00 0.35 2.02 0.00 96.55 Average: all 2.66 0.00 0.76 0.50 0.00 96.08 Average: 0 2.87 0.00 0.91 0.94 0.00 95.28 Average: 1 2.49 0.00 0.71 0.14 0.00 96.66 Average: 2 2.72 0.00 0.72 0.30 0.00 96.26 Average: 3 2.58 0.00 0.68 0.62 0.00 96.12