---> uname -a: Linux aa85bb193111 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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-449 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-449@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 656 124 0 1055 1075 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) 08/17/20 _x86_64_ (4 CPU) 10:17:51 LINUX RESTART 10:19:01 tps rtps wtps bread/s bwrtn/s 10:20:01 2.43 0.00 2.43 0.00 50.86 10:21:01 0.42 0.00 0.42 0.00 6.23 10:22:01 0.27 0.00 0.27 0.00 2.76 10:23:01 0.30 0.00 0.30 0.00 3.38 10:24:01 0.32 0.00 0.32 0.00 4.16 10:25:01 0.37 0.02 0.35 0.13 3.71 Average: 0.68 0.00 0.68 0.02 11.88 10:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:01 183848 1697708 90.23 2620 1122512 1105832 37.74 454284 1084296 20 10:21:01 183832 1697724 90.23 2620 1122516 1082176 36.93 458532 1080580 16 10:22:01 185200 1696356 90.16 2620 1122520 1081972 36.93 457348 1080580 12 10:23:01 181908 1699648 90.33 2620 1122524 1082164 36.93 466932 1074260 8 10:24:01 182784 1698772 90.29 2620 1122528 1082044 36.93 464840 1075684 12 10:25:01 183148 1698408 90.27 2620 1122540 1081972 36.93 464604 1075684 8 Average: 183453 1698103 90.25 2620 1122523 1086027 37.06 461090 1078514 13 10:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:20:01 eth0 1.02 0.37 0.30 0.20 0.00 0.00 0.00 10:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 eth0 0.57 0.35 0.28 0.17 0.00 0.00 0.00 10:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:01 eth0 0.71 0.10 0.06 0.04 0.00 0.00 0.00 10:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:23:01 eth0 0.52 0.48 0.27 0.21 0.00 0.00 0.00 10:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:24:01 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 10:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:25:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 10:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.53 0.26 0.18 0.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 08/17/20 _x86_64_ (4 CPU) 10:17:51 LINUX RESTART 10:19:01 CPU %user %nice %system %iowait %steal %idle 10:20:01 all 0.19 0.00 0.05 0.00 0.00 99.75 10:20:01 0 0.07 0.00 0.07 0.00 0.00 99.87 10:20:01 1 0.08 0.00 0.03 0.00 0.00 99.88 10:20:01 2 0.52 0.00 0.05 0.00 0.00 99.43 10:20:01 3 0.10 0.00 0.05 0.00 0.00 99.85 10:21:01 all 0.15 0.00 0.03 0.00 0.00 99.81 10:21:01 0 0.03 0.00 0.07 0.00 0.00 99.90 10:21:01 1 0.03 0.00 0.03 0.00 0.02 99.92 10:21:01 2 0.50 0.00 0.03 0.00 0.00 99.47 10:21:01 3 0.03 0.00 0.03 0.00 0.00 99.93 10:22:01 all 0.14 0.00 0.03 0.00 0.00 99.82 10:22:01 0 0.07 0.00 0.03 0.00 0.00 99.90 10:22:01 1 0.03 0.00 0.03 0.00 0.00 99.93 10:22:01 2 0.51 0.00 0.02 0.00 0.00 99.48 10:22:01 3 0.02 0.00 0.02 0.00 0.00 99.97 10:23:01 all 0.16 0.00 0.04 0.00 0.00 99.80 10:23:01 0 0.02 0.00 0.10 0.00 0.00 99.88 10:23:01 1 0.03 0.00 0.03 0.00 0.00 99.93 10:23:01 2 0.53 0.00 0.02 0.00 0.00 99.45 10:23:01 3 0.02 0.00 0.02 0.00 0.00 99.97 10:24:01 all 0.17 0.00 0.03 0.00 0.00 99.80 10:24:01 0 0.07 0.00 0.03 0.00 0.00 99.90 10:24:01 1 0.03 0.00 0.02 0.00 0.00 99.95 10:24:01 2 0.53 0.00 0.03 0.00 0.00 99.43 10:24:01 3 0.05 0.00 0.03 0.00 0.00 99.92 10:25:01 all 0.16 0.00 0.03 0.00 0.00 99.80 10:25:01 0 0.08 0.00 0.03 0.00 0.00 99.88 10:25:01 1 0.02 0.00 0.03 0.00 0.00 99.95 10:25:01 2 0.52 0.00 0.02 0.00 0.00 99.47 10:25:01 3 0.02 0.00 0.05 0.00 0.00 99.93 Average: all 0.16 0.00 0.04 0.00 0.00 99.80 Average: 0 0.06 0.00 0.06 0.00 0.00 99.89 Average: 1 0.04 0.00 0.03 0.00 0.00 99.93 Average: 2 0.52 0.00 0.03 0.00 0.00 99.45 Average: 3 0.04 0.00 0.03 0.00 0.00 99.93