---> uname -a: Linux 2e47a3f855f0 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: 2933.442 BogoMIPS: 5866.88 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-440@tmp /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-440 ---> free -m: total used free shared buff/cache available Mem: 1837 681 116 0 1039 1050 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) 08/07/20 _x86_64_ (4 CPU) 18:13:35 LINUX RESTART 18:14:01 tps rtps wtps bread/s bwrtn/s 18:15:01 124.06 46.65 77.41 7779.99 31207.82 18:16:01 3.31 0.00 3.31 0.00 107.96 18:17:02 0.30 0.00 0.30 0.00 4.60 18:18:01 0.27 0.00 0.27 0.00 3.42 18:19:01 0.20 0.00 0.20 0.00 2.83 18:20:01 0.42 0.00 0.42 0.00 5.15 18:21:01 0.32 0.02 0.30 0.13 3.38 18:22:01 0.20 0.00 0.20 0.00 1.67 Average: 16.17 5.85 10.33 974.97 3926.98 18:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:15:01 222556 1659000 88.17 2620 1062964 1121652 38.28 458528 1040620 120 18:16:01 228532 1653024 87.85 2620 1063052 1081044 36.89 457972 1036252 20 18:17:02 226832 1654724 87.94 2620 1063060 1081044 36.89 459964 1036240 12 18:18:01 225924 1655632 87.99 2620 1063060 1081240 36.90 460876 1036240 8 18:19:01 223988 1657568 88.10 2620 1063064 1081324 36.90 482300 1016904 8 18:20:01 224520 1657036 88.07 2620 1063072 1081180 36.90 482492 1015848 8 18:21:01 224980 1656576 88.04 2620 1063076 1081108 36.90 482208 1015848 8 18:22:01 225096 1656460 88.04 2620 1063088 1081108 36.90 478012 1019912 8 Average: 225304 1656253 88.03 2620 1063055 1086213 37.07 470294 1027233 24 18:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:15:01 eth0 684.29 515.22 1661.69 418.62 0.00 0.00 0.00 18:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:01 docker0 108.46 89.71 8.92 303.07 0.00 0.00 0.00 18:16:01 eth0 0.08 0.13 0.01 0.04 0.00 0.00 0.00 18:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:02 eth0 0.60 0.08 0.06 0.01 0.00 0.00 0.00 18:17:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 eth0 1.20 0.39 0.33 0.21 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 eth0 0.53 0.48 0.27 0.21 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.11 64.74 208.34 52.53 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.59 11.24 1.12 37.98 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) 08/07/20 _x86_64_ (4 CPU) 18:13:35 LINUX RESTART 18:14:01 CPU %user %nice %system %iowait %steal %idle 18:15:01 all 15.45 0.00 7.15 5.14 0.05 72.22 18:15:01 0 13.42 0.00 8.96 2.76 0.07 74.79 18:15:01 1 17.82 0.00 5.87 5.48 0.05 70.79 18:15:01 2 15.37 0.00 6.69 8.62 0.03 69.28 18:15:01 3 15.16 0.00 7.08 3.71 0.03 74.01 18:16:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:16:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:16:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:16:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:16:01 3 0.48 0.00 0.05 0.00 0.00 99.47 18:17:02 all 0.15 0.00 0.03 0.00 0.00 99.82 18:17:02 0 0.05 0.00 0.05 0.00 0.00 99.90 18:17:02 1 0.02 0.00 0.02 0.00 0.00 99.97 18:17:02 2 0.03 0.00 0.03 0.00 0.02 99.92 18:17:02 3 0.50 0.00 0.00 0.00 0.00 99.50 18:18:01 all 0.10 0.00 0.04 0.00 0.00 99.86 18:18:01 0 0.05 0.00 0.05 0.00 0.02 99.88 18:18:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:18:01 2 0.03 0.00 0.05 0.00 0.00 99.92 18:18:01 3 0.29 0.00 0.05 0.00 0.00 99.66 18:19:01 all 0.08 0.00 0.03 0.00 0.00 99.89 18:19:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:19:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:19:01 2 0.05 0.00 0.07 0.00 0.00 99.88 18:19:01 3 0.17 0.00 0.02 0.00 0.00 99.82 18:20:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:20:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:20:01 1 0.02 0.00 0.05 0.00 0.00 99.93 18:20:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:20:01 3 0.52 0.00 0.02 0.00 0.00 99.47 18:21:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:21:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:21:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:21:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:21:01 3 0.53 0.00 0.03 0.00 0.00 99.43 18:22:01 all 0.15 0.00 0.02 0.00 0.00 99.83 18:22:01 0 0.00 0.00 0.02 0.00 0.00 99.98 18:22:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:22:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:22:01 3 0.53 0.00 0.02 0.00 0.00 99.45 Average: all 2.03 0.00 0.91 0.64 0.01 96.41 Average: 0 1.69 0.00 1.14 0.34 0.01 96.82 Average: 1 2.23 0.00 0.75 0.68 0.01 96.34 Average: 2 1.95 0.00 0.87 1.07 0.01 96.11 Average: 3 2.26 0.00 0.90 0.46 0.00 96.38