---> uname -a: Linux 3c5df6af42a1 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-407 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-407@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 688 120 0 1028 1042 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) 07/29/20 _x86_64_ (4 CPU) 04:09:09 LINUX RESTART 04:10:02 tps rtps wtps bread/s bwrtn/s 04:11:01 65.95 16.42 49.54 5234.56 6738.77 04:12:01 2.31 0.00 2.31 0.00 50.79 04:13:01 0.37 0.00 0.37 0.00 4.48 04:14:01 0.27 0.00 0.27 0.00 3.61 04:15:01 0.22 0.00 0.22 0.00 3.21 04:16:01 0.37 0.00 0.37 0.00 5.36 04:17:01 0.27 0.02 0.25 0.13 2.96 Average: 9.84 2.32 7.52 737.96 960.08 04:10:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:11:01 209524 1672032 88.86 2620 1072364 1164080 39.73 453564 1059080 120 04:12:01 214800 1666756 88.58 2620 1072328 1125200 38.40 452520 1055856 16 04:13:01 215584 1665972 88.54 2620 1072336 1120060 38.23 452376 1055624 8 04:14:01 216928 1664628 88.47 2620 1072336 1082316 36.94 453452 1053828 16 04:15:01 216820 1664736 88.48 2620 1072344 1082392 36.94 460736 1046676 12 04:16:01 217200 1664356 88.46 2620 1072348 1082212 36.93 479100 1027992 16 04:17:01 217556 1664000 88.44 2620 1072360 1082144 36.93 489376 1017532 8 Average: 215487 1666069 88.55 2620 1072345 1105486 37.73 463018 1045227 28 04:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:11:01 eth0 380.98 321.45 1399.55 405.07 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 99.95 84.60 8.88 305.59 0.00 0.00 0.00 04:12:01 eth0 0.95 0.33 0.32 0.23 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 eth0 1.03 0.38 0.32 0.20 0.00 0.00 0.00 04:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 eth0 0.92 0.42 0.31 0.21 0.00 0.00 0.00 04:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 eth0 1.01 0.58 0.61 0.42 0.00 0.00 0.00 04:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 eth0 0.17 0.12 0.07 0.04 0.00 0.00 0.00 04:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 04:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 54.30 45.59 197.53 57.26 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.09 11.93 1.25 43.08 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) 04:09:09 LINUX RESTART 04:10:02 CPU %user %nice %system %iowait %steal %idle 04:11:01 all 9.46 0.00 3.50 1.48 15.50 70.06 04:11:01 0 10.58 0.00 4.08 3.77 16.91 64.66 04:11:01 1 8.05 0.00 2.97 0.62 15.03 73.33 04:11:01 2 8.39 0.00 3.15 1.15 14.70 72.60 04:11:01 3 10.91 0.00 3.79 0.46 15.37 69.47 04:12:01 all 0.13 0.00 0.05 0.00 0.25 99.57 04:12:01 0 0.30 0.00 0.05 0.00 0.30 99.35 04:12:01 1 0.03 0.00 0.03 0.00 0.30 99.63 04:12:01 2 0.03 0.00 0.08 0.00 0.17 99.72 04:12:01 3 0.13 0.00 0.05 0.00 0.25 99.57 04:13:01 all 0.13 0.00 0.02 0.00 0.32 99.52 04:13:01 0 0.03 0.00 0.02 0.00 0.10 99.85 04:13:01 1 0.05 0.00 0.03 0.00 0.42 99.50 04:13:01 2 0.05 0.00 0.02 0.00 0.68 99.25 04:13:01 3 0.42 0.00 0.05 0.00 0.10 99.43 04:14:01 all 0.10 0.00 0.03 0.00 0.06 99.80 04:14:01 0 0.02 0.00 0.02 0.00 0.05 99.92 04:14:01 1 0.05 0.00 0.03 0.00 0.10 99.82 04:14:01 2 0.03 0.00 0.03 0.00 0.05 99.88 04:14:01 3 0.30 0.00 0.03 0.00 0.03 99.63 04:15:01 all 0.13 0.00 0.05 0.00 0.20 99.62 04:15:01 0 0.05 0.00 0.03 0.00 0.30 99.62 04:15:01 1 0.07 0.00 0.03 0.00 0.20 99.70 04:15:01 2 0.03 0.00 0.08 0.00 0.18 99.70 04:15:01 3 0.38 0.00 0.03 0.00 0.12 99.47 04:16:01 all 0.12 0.00 0.07 0.00 0.18 99.63 04:16:01 0 0.03 0.00 0.05 0.00 0.10 99.82 04:16:01 1 0.03 0.00 0.02 0.00 0.15 99.80 04:16:01 2 0.37 0.00 0.18 0.00 0.28 99.17 04:16:01 3 0.05 0.00 0.03 0.00 0.18 99.73 04:17:01 all 0.10 0.00 0.04 0.00 0.21 99.65 04:17:01 0 0.02 0.00 0.02 0.00 0.07 99.90 04:17:01 1 0.03 0.00 0.05 0.00 0.55 99.37 04:17:01 2 0.03 0.00 0.07 0.00 0.10 99.80 04:17:01 3 0.33 0.00 0.05 0.00 0.13 99.48 Average: all 1.45 0.00 0.54 0.21 2.39 95.41 Average: 0 1.55 0.00 0.60 0.53 2.51 94.82 Average: 1 1.21 0.00 0.46 0.09 2.42 95.82 Average: 2 1.29 0.00 0.52 0.17 2.33 95.69 Average: 3 1.77 0.00 0.57 0.06 2.29 95.30