---> uname -a: Linux 48483dcb1f09 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 688 129 0 1019 1043 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) 18:05:06 LINUX RESTART 18:06:01 tps rtps wtps bread/s bwrtn/s 18:07:01 24.36 6.04 18.32 1651.28 3217.27 18:08:01 1.63 0.00 1.63 0.00 28.98 18:09:01 0.33 0.00 0.33 0.00 4.43 18:10:01 0.40 0.00 0.40 0.00 5.73 18:11:01 0.37 0.00 0.37 0.00 5.75 18:12:01 0.63 0.02 0.62 0.13 8.21 18:13:01 0.17 0.00 0.17 0.00 1.33 18:14:01 148.85 91.33 57.52 7462.18 19898.95 Average: 22.10 12.18 9.92 1139.80 2897.88 18:06:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:07:01 222604 1658952 88.17 2620 1061444 1107408 37.79 451484 1049196 20 18:08:01 227408 1654148 87.91 2620 1061448 1081048 36.89 451676 1045468 12 18:09:01 227976 1653580 87.88 2620 1061456 1081116 36.90 451808 1045468 8 18:10:01 226448 1655108 87.96 2620 1061456 1081116 36.90 455560 1042784 8 18:11:01 223312 1658244 88.13 2620 1061460 1081236 36.90 468832 1032944 8 18:12:01 221844 1659712 88.21 2620 1061472 1081116 36.90 485556 1017460 12 18:13:01 221944 1659612 88.20 2620 1061472 1081116 36.90 485548 1017460 8 18:14:01 163600 1717956 91.31 2620 1023676 1402032 47.85 509836 1005864 32 Average: 216892 1664664 88.47 2620 1056736 1124524 38.38 470038 1032081 14 18:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:07:01 eth0 244.61 206.89 652.34 350.28 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 110.87 91.48 9.12 302.04 0.00 0.00 0.00 18:08:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 0.48 0.08 0.03 0.01 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 0.35 0.07 0.04 0.01 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 eth0 0.70 0.38 0.40 0.26 0.00 0.00 0.00 18:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 18:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 veth8526799 0.00 0.05 0.00 0.00 0.00 0.00 0.00 18:14:01 eth0 877.21 593.09 4045.47 443.83 0.00 0.00 0.00 18:14:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 18:14:01 docker0 110.84 91.44 9.12 301.93 0.00 0.00 0.00 Average: veth8526799 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 109.72 74.18 505.98 55.51 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.86 11.44 1.14 37.76 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) 18:05:06 LINUX RESTART 18:06:01 CPU %user %nice %system %iowait %steal %idle 18:07:01 all 3.79 0.00 1.54 0.62 0.02 94.04 18:07:01 0 3.01 0.00 1.54 0.22 0.02 95.21 18:07:01 1 3.29 0.00 1.34 0.35 0.02 95.00 18:07:01 2 2.86 0.00 1.56 1.82 0.02 93.74 18:07:01 3 5.98 0.00 1.73 0.08 0.02 92.20 18:08:01 all 0.14 0.00 0.04 0.00 0.00 99.83 18:08:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:08:01 1 0.43 0.00 0.03 0.00 0.00 99.53 18:08:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:08:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:09:01 all 0.16 0.00 0.02 0.00 0.00 99.82 18:09:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:09:01 1 0.52 0.00 0.02 0.00 0.00 99.47 18:09:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:09:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:10:01 all 0.15 0.00 0.02 0.00 0.00 99.83 18:10:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:10:01 1 0.52 0.00 0.03 0.00 0.00 99.45 18:10:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:10:01 3 0.02 0.00 0.00 0.00 0.00 99.98 18:11:01 all 0.16 0.00 0.04 0.00 0.00 99.80 18:11:01 0 0.05 0.00 0.02 0.00 0.00 99.93 18:11:01 1 0.05 0.00 0.08 0.00 0.00 99.87 18:11:01 2 0.52 0.00 0.02 0.00 0.00 99.47 18:11:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:12:01 all 0.14 0.00 0.05 0.00 0.00 99.80 18:12:01 0 0.02 0.00 0.02 0.02 0.02 99.93 18:12:01 1 0.02 0.00 0.17 0.00 0.00 99.82 18:12:01 2 0.52 0.00 0.02 0.00 0.02 99.45 18:12:01 3 0.00 0.00 0.02 0.00 0.00 99.98 18:13:01 all 0.15 0.00 0.02 0.00 0.00 99.84 18:13:01 0 0.00 0.00 0.02 0.00 0.00 99.98 18:13:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:13:01 2 0.53 0.00 0.02 0.00 0.00 99.45 18:13:01 3 0.03 0.00 0.03 0.00 0.02 99.92 18:14:01 all 5.52 0.00 2.98 2.06 0.05 89.39 18:14:01 0 4.97 0.00 2.60 0.30 0.03 92.09 18:14:01 1 6.28 0.00 3.10 3.85 0.07 86.70 18:14:01 2 5.37 0.00 3.20 1.71 0.05 89.67 18:14:01 3 5.47 0.00 3.02 2.35 0.05 89.10 Average: all 1.27 0.00 0.59 0.33 0.01 97.80 Average: 0 1.01 0.00 0.53 0.07 0.01 98.38 Average: 1 1.39 0.00 0.60 0.52 0.01 97.48 Average: 2 1.24 0.00 0.61 0.44 0.01 97.70 Average: 3 1.45 0.00 0.61 0.30 0.01 97.63