---> uname -a: Linux 1db268ff5f15 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-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 670 128 0 1038 1061 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) 06/22/20 _x86_64_ (4 CPU) 18:11:49 LINUX RESTART 18:13:01 tps rtps wtps bread/s bwrtn/s 18:14:01 29.82 9.67 20.14 4366.46 3216.32 18:15:01 2.11 0.00 2.11 0.00 44.66 18:16:01 0.18 0.00 0.18 0.00 2.06 18:17:01 0.27 0.00 0.27 0.00 3.48 18:18:01 0.27 0.00 0.27 0.00 4.33 18:19:02 0.33 0.02 0.32 0.13 3.93 18:20:01 0.25 0.00 0.25 0.00 3.06 18:21:01 121.56 80.60 40.96 6621.68 16366.14 Average: 19.42 11.32 8.09 1379.84 2463.80 18:13:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:14:01 199220 1682336 89.41 2620 1091020 1178060 40.21 458548 1063532 16 18:15:01 204504 1677052 89.13 2620 1091024 1143292 39.02 458752 1059072 8 18:16:01 207284 1674272 88.98 2620 1091032 1115648 38.08 457404 1058236 12 18:17:01 206024 1675532 89.05 2620 1091032 1115672 38.08 465640 1051260 8 18:18:01 206024 1675532 89.05 2620 1091040 1115684 38.08 472420 1044700 16 18:19:02 207508 1674048 88.97 2620 1091048 1083100 36.96 492224 1024008 16 18:20:01 206916 1674640 89.00 2620 1091052 1083268 36.97 488300 1028608 8 18:21:01 127348 1754208 93.23 2620 1120904 1093420 37.32 457284 1096108 99028 Average: 195604 1685953 89.60 2620 1094769 1116018 38.09 468822 1053191 12389 18:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:14:01 eth0 194.01 159.35 650.38 350.54 0.00 0.00 0.00 18:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 docker0 77.54 82.47 8.01 300.65 0.00 0.00 0.00 18:15:01 eth0 2.86 0.38 0.51 0.20 0.00 0.00 0.00 18:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 eth0 2.16 0.57 0.66 0.40 0.00 0.00 0.00 18:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 eth0 1.02 0.62 0.70 0.40 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 eth0 1.33 0.47 0.46 0.27 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:02 eth0 1.22 0.32 0.33 0.20 0.00 0.00 0.00 18:19:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 eth0 0.47 0.44 0.27 0.21 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 eth0 91.94 56.43 2331.64 12.51 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 Average: eth0 37.09 27.49 374.48 45.93 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.77 10.39 1.01 37.87 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) 06/22/20 _x86_64_ (4 CPU) 18:11:49 LINUX RESTART 18:13:01 CPU %user %nice %system %iowait %steal %idle 18:14:01 all 5.27 0.00 2.55 0.57 20.99 70.62 18:14:01 0 3.19 0.00 1.99 0.32 22.51 72.00 18:14:01 1 6.11 0.00 2.89 0.92 20.70 69.37 18:14:01 2 6.53 0.00 2.42 0.66 19.28 71.10 18:14:01 3 5.32 0.00 2.95 0.36 21.42 69.94 18:15:01 all 0.15 0.00 0.16 0.00 3.65 96.05 18:15:01 0 0.08 0.00 0.16 0.00 2.45 97.31 18:15:01 1 0.11 0.00 0.13 0.00 3.90 95.85 18:15:01 2 0.10 0.00 0.16 0.00 3.77 95.97 18:15:01 3 0.28 0.00 0.15 0.00 4.47 95.11 18:16:01 all 0.08 0.00 0.06 0.00 1.55 98.31 18:16:01 0 0.03 0.00 0.08 0.00 1.56 98.32 18:16:01 1 0.05 0.00 0.07 0.00 0.91 98.97 18:16:01 2 0.02 0.00 0.03 0.00 1.07 98.88 18:16:01 3 0.24 0.00 0.05 0.00 2.66 97.05 18:17:01 all 0.10 0.00 0.05 0.00 0.42 99.44 18:17:01 0 0.08 0.00 0.02 0.00 0.30 99.60 18:17:01 1 0.02 0.00 0.10 0.00 0.18 99.70 18:17:01 2 0.02 0.00 0.02 0.00 0.55 99.42 18:17:01 3 0.27 0.00 0.05 0.00 0.63 99.05 18:18:01 all 0.07 0.00 0.05 0.00 0.63 99.24 18:18:01 0 0.05 0.00 0.03 0.00 1.11 98.81 18:18:01 1 0.02 0.00 0.07 0.00 0.12 99.80 18:18:01 2 0.22 0.00 0.08 0.00 0.42 99.29 18:18:01 3 0.05 0.00 0.03 0.00 0.86 99.06 18:19:02 all 0.07 0.00 0.08 0.00 0.92 98.92 18:19:02 0 0.03 0.00 0.03 0.00 1.38 98.55 18:19:02 1 0.05 0.00 0.08 0.00 0.99 98.88 18:19:02 2 0.20 0.00 0.13 0.00 0.70 98.97 18:19:02 3 0.02 0.00 0.07 0.00 0.61 99.30 18:20:01 all 0.12 0.00 0.03 0.00 0.17 99.69 18:20:01 0 0.02 0.00 0.02 0.00 0.05 99.92 18:20:01 1 0.05 0.00 0.02 0.00 0.32 99.61 18:20:01 2 0.36 0.00 0.02 0.00 0.17 99.46 18:20:01 3 0.03 0.00 0.05 0.00 0.12 99.80 18:21:01 all 3.92 0.00 2.54 1.55 6.47 85.51 18:21:01 0 3.73 0.00 2.42 0.20 6.42 87.22 18:21:01 1 3.27 0.00 2.60 0.50 6.50 87.13 18:21:01 2 5.31 0.00 2.67 4.57 6.84 80.62 18:21:01 3 3.40 0.00 2.46 0.97 6.12 87.05 Average: all 1.25 0.00 0.70 0.27 4.49 93.29 Average: 0 0.92 0.00 0.61 0.07 4.68 93.72 Average: 1 1.25 0.00 0.76 0.18 4.34 93.47 Average: 2 1.62 0.00 0.70 0.65 4.20 92.84 Average: 3 1.22 0.00 0.74 0.17 4.73 93.14