---> uname -a: Linux 35a9d6e5c2b9 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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-389 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-389@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 121 0 1047 1063 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) 06/23/20 _x86_64_ (4 CPU) 18:18:13 LINUX RESTART 18:19:01 tps rtps wtps bread/s bwrtn/s 18:20:01 31.06 9.21 21.86 4349.86 3292.34 18:21:01 1.58 0.00 1.58 0.00 29.24 18:22:01 0.25 0.00 0.25 0.00 4.01 18:23:01 0.23 0.00 0.23 0.00 2.96 18:24:01 0.17 0.00 0.17 0.00 1.82 18:25:01 0.40 0.02 0.38 0.13 5.03 18:26:01 0.27 0.00 0.27 0.00 3.23 Average: 4.85 1.32 3.54 621.63 477.10 18:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:01 192752 1688804 89.76 2620 1114616 1116700 38.11 426012 1102532 20 18:21:01 198536 1683020 89.45 2620 1114620 1076804 36.75 424636 1099100 20 18:22:01 196460 1685096 89.56 2620 1114628 1077024 36.76 427496 1099100 8 18:23:01 192028 1689528 89.79 2620 1114628 1077124 36.76 431972 1098848 8 18:24:01 189972 1691584 89.90 2620 1114632 1077148 36.76 443892 1089048 12 18:25:01 190760 1690796 89.86 2620 1114704 1076932 36.75 444084 1087864 24 18:26:01 190868 1690688 89.86 2620 1114648 1076932 36.75 442020 1089820 8 Average: 193054 1688502 89.74 2620 1114639 1082666 36.95 434302 1095187 14 18:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:20:01 eth0 246.00 204.43 656.54 349.51 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 103.83 89.36 9.10 304.78 0.00 0.00 0.00 18:21:01 eth0 2.43 0.07 0.23 0.01 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 3.10 0.77 0.94 0.56 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 eth0 3.30 0.90 0.97 0.59 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 eth0 1.62 0.95 0.94 0.66 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 eth0 0.15 0.08 0.01 0.04 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 36.69 29.62 94.27 50.21 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.84 12.77 1.30 43.55 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) 06/23/20 _x86_64_ (4 CPU) 18:18:13 LINUX RESTART 18:19:01 CPU %user %nice %system %iowait %steal %idle 18:20:01 all 4.56 0.00 1.98 0.73 0.03 92.71 18:20:01 0 4.51 0.00 1.96 0.05 0.03 93.44 18:20:01 1 3.75 0.00 2.11 1.49 0.03 92.62 18:20:01 2 4.23 0.00 1.86 0.89 0.03 93.00 18:20:01 3 5.74 0.00 1.96 0.49 0.03 91.78 18:21:01 all 0.14 0.00 0.04 0.00 0.00 99.82 18:21:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:21:01 1 0.40 0.00 0.07 0.00 0.00 99.53 18:21:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:21:01 3 0.07 0.00 0.05 0.00 0.00 99.88 18:22:01 all 0.07 0.00 0.04 0.00 0.00 99.88 18:22:01 0 0.10 0.00 0.03 0.00 0.00 99.87 18:22:01 1 0.03 0.00 0.05 0.00 0.00 99.92 18:22:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:22:01 3 0.12 0.00 0.05 0.00 0.02 99.82 18:23:01 all 0.17 0.00 0.04 0.00 0.00 99.79 18:23:01 0 0.07 0.00 0.02 0.00 0.00 99.92 18:23:01 1 0.48 0.00 0.03 0.00 0.00 99.48 18:23:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:23:01 3 0.08 0.00 0.08 0.00 0.00 99.83 18:24:01 all 0.18 0.00 0.07 0.00 0.00 99.74 18:24:01 0 0.05 0.00 0.03 0.00 0.02 99.90 18:24:01 1 0.53 0.00 0.13 0.00 0.00 99.33 18:24:01 2 0.08 0.00 0.07 0.00 0.00 99.85 18:24:01 3 0.05 0.00 0.07 0.00 0.00 99.88 18:25:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:25:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:25:01 1 0.52 0.00 0.08 0.00 0.00 99.40 18:25:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:25:01 3 0.05 0.00 0.02 0.00 0.00 99.93 18:26:01 all 0.15 0.00 0.02 0.00 0.00 99.83 18:26:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:26:01 1 0.53 0.00 0.02 0.00 0.00 99.45 18:26:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:26:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.77 0.00 0.32 0.10 0.01 98.80 Average: 0 0.68 0.00 0.30 0.01 0.01 99.00 Average: 1 0.89 0.00 0.36 0.21 0.00 98.54 Average: 2 0.64 0.00 0.29 0.13 0.00 98.94 Average: 3 0.87 0.00 0.32 0.07 0.01 98.73