---> uname -a: Linux dbd78eae47aa 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-400 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-400@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 676 118 0 1041 1055 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) 07/07/20 _x86_64_ (4 CPU) 08:44:15 LINUX RESTART 08:45:01 tps rtps wtps bread/s bwrtn/s 08:46:01 29.90 10.46 19.45 4447.02 3357.83 08:47:01 1.70 0.00 1.70 0.00 31.29 08:48:01 0.28 0.00 0.28 0.00 4.21 08:49:01 0.27 0.00 0.27 0.00 2.97 08:50:01 0.17 0.00 0.17 0.00 1.82 08:51:01 143.50 98.65 44.84 7130.27 16746.69 Average: 29.33 18.20 11.13 1930.79 3360.35 08:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:46:01 173364 1708192 90.79 2620 1115148 1114728 38.04 463300 1084920 24 08:47:01 179664 1701892 90.45 2620 1115152 1070080 36.52 462340 1080588 16 08:48:01 170036 1711520 90.96 2620 1115160 1071460 36.57 472168 1080588 8 08:49:01 170272 1711284 90.95 2620 1115160 1070144 36.52 472252 1079992 8 08:50:01 170064 1711492 90.96 2620 1115168 1070288 36.53 475264 1077948 8 08:51:01 88512 1793044 95.30 2620 1109756 1276948 43.58 491812 1091872 33880 Average: 158652 1722904 91.57 2620 1114257 1112275 37.96 472856 1082651 5657 08:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:46:01 eth0 323.93 250.67 765.77 351.34 0.00 0.00 0.00 08:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 docker0 108.71 96.30 9.26 303.42 0.00 0.00 0.00 08:47:01 eth0 0.62 0.07 0.06 0.01 0.00 0.00 0.00 08:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 eth0 6.41 4.38 3.59 7.67 0.00 0.00 0.00 08:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 08:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 eth0 0.70 0.65 0.11 0.86 0.00 0.00 0.00 08:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 eth0 102.13 64.29 2331.47 11.38 0.00 0.00 0.00 08:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 72.33 53.36 517.24 61.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.12 16.05 1.54 50.57 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) 07/07/20 _x86_64_ (4 CPU) 08:44:15 LINUX RESTART 08:45:01 CPU %user %nice %system %iowait %steal %idle 08:46:01 all 4.73 0.00 1.93 0.66 0.00 92.68 08:46:01 0 3.76 0.00 2.06 0.05 0.00 94.13 08:46:01 1 4.50 0.00 1.76 0.30 0.00 93.44 08:46:01 2 6.43 0.00 1.80 1.50 0.00 90.26 08:46:01 3 4.22 0.00 2.14 0.74 0.00 92.91 08:47:01 all 0.16 0.00 0.04 0.00 0.00 99.80 08:47:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:47:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:47:01 2 0.52 0.00 0.03 0.00 0.00 99.45 08:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:48:01 all 0.18 0.00 0.06 0.00 0.00 99.76 08:48:01 0 0.10 0.00 0.07 0.00 0.00 99.83 08:48:01 1 0.12 0.00 0.08 0.00 0.00 99.80 08:48:01 2 0.43 0.00 0.05 0.00 0.00 99.52 08:48:01 3 0.05 0.00 0.05 0.00 0.00 99.90 08:49:01 all 0.02 0.00 0.03 0.00 0.00 99.95 08:49:01 0 0.02 0.00 0.02 0.00 0.02 99.95 08:49:01 1 0.03 0.00 0.05 0.00 0.00 99.92 08:49:01 2 0.02 0.00 0.02 0.00 0.00 99.97 08:49:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:50:01 all 0.06 0.00 0.03 0.00 0.00 99.91 08:50:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:50:01 2 0.13 0.00 0.05 0.00 0.00 99.82 08:50:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:51:01 all 5.05 0.00 2.76 1.88 0.00 90.31 08:51:01 0 4.80 0.00 3.03 0.89 0.00 91.29 08:51:01 1 5.79 0.00 3.16 2.04 0.02 88.99 08:51:01 2 4.88 0.00 2.46 1.50 0.02 91.14 08:51:01 3 4.74 0.00 2.38 3.10 0.02 89.76 Average: all 1.69 0.00 0.81 0.42 0.00 97.08 Average: 0 1.45 0.00 0.87 0.16 0.00 97.53 Average: 1 1.75 0.00 0.85 0.39 0.00 97.00 Average: 2 2.07 0.00 0.73 0.50 0.00 96.70 Average: 3 1.51 0.00 0.77 0.64 0.00 97.08