---> uname -a: Linux 9774cbfbe1ec 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-453@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-453 ---> free -m: total used free shared buff/cache available Mem: 1837 670 127 0 1038 1060 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) 08/19/20 _x86_64_ (4 CPU) 17:04:31 LINUX RESTART 17:05:01 tps rtps wtps bread/s bwrtn/s 17:06:01 88.00 40.75 47.25 7642.20 6618.29 17:07:01 1.53 0.00 1.53 0.00 24.95 17:08:01 0.35 0.00 0.35 0.00 4.93 17:09:01 0.18 0.00 0.18 0.00 2.15 17:10:01 0.27 0.00 0.27 0.00 3.30 17:11:01 0.32 0.00 0.32 0.00 4.50 17:12:01 128.28 87.55 40.74 5942.53 16655.27 Average: 31.29 18.33 12.95 1941.54 3331.51 17:05:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:06:01 231264 1650292 87.71 2620 1061152 1127132 38.47 443576 1048580 120 17:07:01 237728 1643828 87.37 2620 1061176 1081292 36.90 443108 1043788 20 17:08:01 234792 1646764 87.52 2620 1061184 1081584 36.91 445700 1043780 16 17:09:01 233616 1647940 87.58 2620 1061184 1081488 36.91 447320 1043572 12 17:10:01 234660 1646896 87.53 2620 1061188 1081356 36.90 455772 1034384 8 17:11:01 234568 1646988 87.53 2620 1061196 1081416 36.91 457804 1032576 8 17:12:01 149536 1732020 92.05 2620 1068904 1288668 43.98 489632 1042344 82780 Average: 222309 1659247 88.18 2620 1062283 1117562 38.14 454702 1041289 11852 17:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:06:01 eth0 712.36 510.87 1657.56 420.63 0.00 0.00 0.00 17:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 docker0 113.74 101.73 9.40 302.90 0.00 0.00 0.00 17:07:01 eth0 0.63 0.10 0.04 0.02 0.00 0.00 0.00 17:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:01 eth0 1.22 0.32 0.34 0.17 0.00 0.00 0.00 17:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:01 eth0 0.42 0.25 0.26 0.17 0.00 0.00 0.00 17:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 eth0 0.10 0.08 0.01 0.07 0.00 0.00 0.00 17:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 eth0 0.32 0.22 0.14 0.07 0.00 0.00 0.00 17:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 eth0 106.91 65.21 2330.85 10.44 0.00 0.00 0.00 17:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 117.49 82.48 570.10 61.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.26 14.54 1.34 43.30 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) 08/19/20 _x86_64_ (4 CPU) 17:04:31 LINUX RESTART 17:05:01 CPU %user %nice %system %iowait %steal %idle 17:06:01 all 16.99 0.00 6.56 3.96 0.03 72.46 17:06:01 0 17.32 0.00 7.15 3.77 0.03 71.72 17:06:01 1 16.76 0.00 6.34 3.51 0.03 73.36 17:06:01 2 18.46 0.00 6.48 5.19 0.05 69.82 17:06:01 3 15.42 0.00 6.27 3.34 0.03 74.94 17:07:01 all 0.17 0.00 0.04 0.00 0.00 99.78 17:07:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:07:01 1 0.02 0.00 0.02 0.00 0.02 99.95 17:07:01 2 0.55 0.00 0.03 0.00 0.00 99.42 17:07:01 3 0.08 0.00 0.08 0.00 0.00 99.83 17:08:01 all 0.18 0.00 0.04 0.00 0.00 99.78 17:08:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:08:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:08:01 2 0.53 0.00 0.03 0.00 0.00 99.43 17:08:01 3 0.10 0.00 0.05 0.00 0.00 99.85 17:09:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:09:01 0 0.00 0.00 0.02 0.00 0.00 99.98 17:09:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:09:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:09:01 3 0.52 0.00 0.03 0.00 0.00 99.45 17:10:01 all 0.14 0.00 0.05 0.00 0.00 99.80 17:10:01 0 0.03 0.00 0.10 0.00 0.00 99.87 17:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:10:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:10:01 3 0.47 0.00 0.03 0.00 0.00 99.50 17:11:01 all 0.15 0.00 0.07 0.00 0.00 99.78 17:11:01 0 0.02 0.00 0.05 0.00 0.00 99.93 17:11:01 1 0.02 0.00 0.13 0.00 0.00 99.85 17:11:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:11:01 3 0.53 0.00 0.03 0.00 0.00 99.43 17:12:01 all 5.07 0.00 2.88 1.88 0.01 90.16 17:12:01 0 4.52 0.00 3.45 0.42 0.00 91.62 17:12:01 1 5.02 0.00 2.51 3.58 0.02 88.87 17:12:01 2 5.00 0.00 2.82 2.35 0.02 89.82 17:12:01 3 5.72 0.00 2.77 1.16 0.02 90.34 Average: all 3.25 0.00 1.37 0.83 0.01 94.55 Average: 0 3.11 0.00 1.54 0.59 0.00 94.75 Average: 1 3.11 0.00 1.30 1.01 0.01 94.57 Average: 2 3.51 0.00 1.35 1.07 0.01 94.06 Average: 3 3.24 0.00 1.32 0.64 0.01 94.80