---> uname -a: Linux 4fec4ddd3cd8 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-424 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-424@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 675 119 0 1042 1055 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) 07/29/20 _x86_64_ (4 CPU) 23:45:49 LINUX RESTART 23:47:01 tps rtps wtps bread/s bwrtn/s 23:48:01 43.53 11.93 31.59 4675.90 3349.17 23:49:01 1.55 0.00 1.55 0.00 29.00 23:50:01 0.28 0.00 0.28 0.00 3.63 23:51:01 0.25 0.00 0.25 0.00 2.43 23:52:01 0.25 0.00 0.25 0.00 3.53 23:53:01 0.33 0.02 0.32 0.13 3.53 23:54:01 0.45 0.08 0.37 4.93 7.16 Average: 6.66 1.72 4.94 668.88 485.62 23:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:48:01 206364 1675192 89.03 2620 1067220 1201788 41.01 472632 1041020 120 23:49:01 221600 1659956 88.22 2620 1067224 1075384 36.70 464100 1036840 16 23:50:01 221844 1659712 88.21 2620 1067232 1075456 36.70 464504 1036840 8 23:51:01 219888 1661668 88.31 2620 1067232 1075492 36.70 473016 1030092 20 23:52:01 219452 1662104 88.34 2620 1067240 1075576 36.71 478260 1025288 12 23:53:01 217424 1664132 88.44 2620 1067244 1078000 36.79 502816 1002692 16 23:54:01 218220 1663336 88.40 2620 1067424 1075312 36.70 497860 1007204 8 Average: 217827 1663729 88.42 2620 1067259 1093858 37.33 479027 1025711 29 23:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:48:01 eth0 224.50 167.93 762.99 358.90 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 65.80 71.06 6.36 299.50 0.00 0.00 0.00 23:49:01 eth0 1.67 0.23 0.43 0.05 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 1.92 0.40 0.39 0.21 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.62 0.32 0.29 0.20 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 eth0 1.50 0.67 0.71 0.43 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 eth0 0.13 0.08 0.01 0.04 0.00 0.00 0.00 23:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 32.93 24.25 109.29 51.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.40 10.15 0.91 42.80 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) 07/29/20 _x86_64_ (4 CPU) 23:45:49 LINUX RESTART 23:47:01 CPU %user %nice %system %iowait %steal %idle 23:48:01 all 4.44 0.00 2.45 1.41 8.84 82.86 23:48:01 0 3.81 0.00 2.36 0.81 9.60 83.43 23:48:01 1 5.37 0.00 2.46 0.40 8.45 83.31 23:48:01 2 4.50 0.00 2.49 3.50 8.51 80.99 23:48:01 3 4.09 0.00 2.49 0.91 8.82 83.69 23:49:01 all 0.14 0.00 0.05 0.00 0.13 99.68 23:49:01 0 0.05 0.00 0.03 0.00 0.30 99.62 23:49:01 1 0.07 0.00 0.05 0.00 0.05 99.83 23:49:01 2 0.40 0.00 0.07 0.00 0.05 99.48 23:49:01 3 0.03 0.00 0.02 0.00 0.13 99.82 23:50:01 all 0.15 0.00 0.03 0.00 0.11 99.71 23:50:01 0 0.00 0.00 0.03 0.00 0.30 99.67 23:50:01 1 0.05 0.00 0.03 0.00 0.12 99.80 23:50:01 2 0.50 0.00 0.03 0.00 0.02 99.45 23:50:01 3 0.03 0.00 0.03 0.00 0.02 99.92 23:51:01 all 0.12 0.00 0.02 0.00 0.13 99.73 23:51:01 0 0.02 0.00 0.03 0.00 0.18 99.77 23:51:01 1 0.07 0.00 0.03 0.00 0.15 99.75 23:51:01 2 0.40 0.00 0.02 0.00 0.13 99.45 23:51:01 3 0.02 0.00 0.02 0.00 0.05 99.92 23:52:01 all 0.09 0.00 0.05 0.00 0.19 99.68 23:52:01 0 0.05 0.00 0.03 0.00 0.23 99.68 23:52:01 1 0.03 0.00 0.02 0.00 0.25 99.70 23:52:01 2 0.23 0.00 0.03 0.00 0.18 99.55 23:52:01 3 0.05 0.00 0.08 0.00 0.10 99.77 23:53:01 all 0.13 0.00 0.04 0.00 0.06 99.76 23:53:01 0 0.02 0.00 0.03 0.00 0.08 99.87 23:53:01 1 0.03 0.00 0.03 0.00 0.07 99.87 23:53:01 2 0.43 0.00 0.02 0.00 0.08 99.47 23:53:01 3 0.03 0.00 0.10 0.00 0.00 99.87 23:54:01 all 0.10 0.00 0.04 0.00 0.08 99.78 23:54:01 0 0.02 0.00 0.03 0.00 0.10 99.85 23:54:01 1 0.02 0.00 0.03 0.00 0.02 99.93 23:54:01 2 0.35 0.00 0.07 0.00 0.15 99.43 23:54:01 3 0.03 0.00 0.02 0.02 0.07 99.87 Average: all 0.75 0.00 0.39 0.21 1.39 97.26 Average: 0 0.58 0.00 0.37 0.12 1.57 97.36 Average: 1 0.82 0.00 0.39 0.06 1.33 97.40 Average: 2 0.98 0.00 0.40 0.51 1.33 96.78 Average: 3 0.63 0.00 0.40 0.14 1.34 97.49