---> uname -a: Linux d3555445093c 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-422 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-422@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 685 108 0 1044 1046 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) 07/30/20 _x86_64_ (4 CPU) 22:13:21 LINUX RESTART 22:14:01 tps rtps wtps bread/s bwrtn/s 22:15:01 48.70 13.02 35.68 4649.35 3940.68 22:16:02 1.72 0.00 1.72 0.00 32.46 22:17:01 0.27 0.00 0.27 0.00 3.96 22:18:01 0.23 0.00 0.23 0.00 2.83 22:19:01 0.30 0.00 0.30 0.00 5.08 22:20:01 0.35 0.00 0.35 0.00 3.96 22:21:01 87.40 61.51 25.89 5168.77 13836.24 Average: 19.91 10.68 9.23 1406.36 2553.40 22:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:15:01 228392 1653164 87.86 2620 1048956 1112124 37.95 458260 1036876 120 22:16:02 234592 1646964 87.53 2620 1048960 1067020 36.42 457376 1032480 8 22:17:01 234044 1647512 87.56 2620 1048968 1067204 36.42 458084 1032480 8 22:18:01 233068 1648488 87.61 2620 1048968 1067240 36.42 460044 1031840 8 22:19:01 233144 1648412 87.61 2620 1048972 1067180 36.42 472572 1019132 16 22:20:01 233700 1647856 87.58 2620 1048980 1067084 36.42 472020 1019124 12 22:21:01 185244 1696312 90.15 2620 1038436 1278580 43.64 489760 1021736 13572 Average: 226026 1655530 87.99 2620 1047463 1103776 37.67 466874 1027667 1963 22:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:15:01 eth0 352.03 299.63 846.97 374.82 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 133.32 98.10 9.89 302.46 0.00 0.00 0.00 22:16:02 eth0 0.47 0.02 0.05 0.00 0.00 0.00 0.00 22:16:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 eth0 1.64 0.30 0.38 0.17 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 eth0 1.48 0.52 0.59 0.42 0.00 0.00 0.00 22:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 eth0 0.90 0.48 0.66 0.27 0.00 0.00 0.00 22:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 22:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 eth0 89.05 62.66 2327.77 16.70 0.00 0.00 0.00 22:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 63.83 52.10 455.01 56.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 19.09 14.05 1.42 43.32 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) 07/30/20 _x86_64_ (4 CPU) 22:13:21 LINUX RESTART 22:14:01 CPU %user %nice %system %iowait %steal %idle 22:15:01 all 5.47 0.00 2.20 1.76 0.01 90.56 22:15:01 0 5.06 0.00 2.47 0.08 0.02 92.37 22:15:01 1 5.17 0.00 1.73 1.71 0.02 91.37 22:15:01 2 5.29 0.00 2.06 2.60 0.00 90.05 22:15:01 3 6.38 0.00 2.54 2.65 0.02 88.41 22:16:02 all 0.15 0.00 0.03 0.00 0.00 99.81 22:16:02 0 0.03 0.00 0.02 0.00 0.00 99.95 22:16:02 1 0.52 0.00 0.03 0.00 0.00 99.45 22:16:02 2 0.05 0.00 0.05 0.00 0.00 99.90 22:16:02 3 0.02 0.00 0.03 0.00 0.00 99.95 22:17:01 all 0.17 0.00 0.03 0.00 0.00 99.79 22:17:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:17:01 1 0.58 0.00 0.03 0.00 0.00 99.39 22:17:01 2 0.03 0.00 0.05 0.00 0.02 99.90 22:17:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:18:01 all 0.14 0.00 0.03 0.00 0.00 99.83 22:18:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:18:01 1 0.38 0.00 0.05 0.00 0.00 99.57 22:18:01 2 0.08 0.00 0.03 0.00 0.00 99.88 22:18:01 3 0.08 0.00 0.02 0.00 0.00 99.90 22:19:01 all 0.16 0.00 0.04 0.00 0.00 99.80 22:19:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:19:01 1 0.53 0.00 0.08 0.00 0.00 99.38 22:19:01 2 0.03 0.00 0.05 0.00 0.00 99.92 22:19:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:20:01 all 0.15 0.00 0.05 0.00 0.00 99.80 22:20:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:20:01 1 0.52 0.00 0.15 0.00 0.00 99.33 22:20:01 2 0.03 0.00 0.00 0.00 0.00 99.97 22:20:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:21:01 all 3.98 0.00 1.98 1.43 0.01 92.60 22:21:01 0 3.43 0.00 1.94 1.19 0.02 93.43 22:21:01 1 3.61 0.00 1.80 0.43 0.02 94.13 22:21:01 2 5.11 0.00 2.38 2.78 0.02 89.72 22:21:01 3 3.76 0.00 1.81 1.32 0.03 93.08 Average: all 1.46 0.00 0.62 0.46 0.00 97.46 Average: 0 1.23 0.00 0.64 0.18 0.00 97.94 Average: 1 1.61 0.00 0.55 0.31 0.00 97.52 Average: 2 1.52 0.00 0.66 0.77 0.00 97.05 Average: 3 1.47 0.00 0.64 0.57 0.01 97.31