---> uname -a: Linux 10f3af0a6a5d 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% /w/workspace/ndry_app-functions-sdk-go_PR-422@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-422 ---> free -m: total used free shared buff/cache available Mem: 1837 678 117 0 1041 1053 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) 07/29/20 _x86_64_ (4 CPU) 22:39:43 LINUX RESTART 22:40:01 tps rtps wtps bread/s bwrtn/s 22:41:02 145.23 52.94 92.29 7827.57 41991.76 22:42:02 2.30 0.00 2.30 0.00 49.13 22:43:01 0.46 0.00 0.46 0.00 6.51 22:44:01 0.23 0.00 0.23 0.00 3.63 22:45:01 0.25 0.00 0.25 0.00 3.48 22:46:01 0.32 0.00 0.32 0.00 4.23 Average: 24.94 8.88 16.06 1312.39 7051.50 22:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:41:02 208476 1673080 88.92 2620 1092916 1118816 38.18 434776 1079236 120 22:42:02 214996 1666560 88.57 2620 1092920 1072900 36.62 433400 1075336 20 22:43:01 214208 1667348 88.62 2620 1092928 1073116 36.62 436692 1073396 20 22:44:01 212620 1668936 88.70 2620 1092928 1073152 36.62 438660 1072776 8 22:45:01 214040 1667516 88.62 2620 1092936 1072896 36.62 441536 1068472 8 22:46:01 211920 1669636 88.74 2620 1092944 1072996 36.62 444272 1068360 8 Average: 212710 1668846 88.69 2620 1092929 1080646 36.88 438223 1072929 31 22:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:41:02 eth0 778.59 536.37 1667.82 418.15 0.00 0.00 0.00 22:41:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:02 docker0 109.49 98.87 9.05 302.98 0.00 0.00 0.00 22:42:02 eth0 0.69 0.08 0.06 0.01 0.00 0.00 0.00 22:42:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 eth0 0.95 0.42 0.32 0.21 0.00 0.00 0.00 22:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 eth0 0.43 0.40 0.30 0.21 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 eth0 0.28 0.25 0.14 0.08 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 130.95 90.14 279.77 70.19 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.36 16.58 1.52 50.80 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) 07/29/20 _x86_64_ (4 CPU) 22:39:43 LINUX RESTART 22:40:01 CPU %user %nice %system %iowait %steal %idle 22:41:02 all 16.64 0.00 7.73 9.43 0.03 66.17 22:41:02 0 14.44 0.00 7.94 8.26 0.03 69.33 22:41:02 1 16.07 0.00 8.71 9.14 0.02 66.06 22:41:02 2 14.77 0.00 8.21 8.24 0.03 68.75 22:41:02 3 21.31 0.00 6.06 12.08 0.02 60.53 22:42:02 all 0.16 0.00 0.05 0.00 0.00 99.79 22:42:02 0 0.07 0.00 0.02 0.00 0.00 99.92 22:42:02 1 0.05 0.00 0.10 0.00 0.00 99.85 22:42:02 2 0.51 0.00 0.05 0.00 0.02 99.42 22:42:02 3 0.02 0.00 0.02 0.00 0.00 99.97 22:43:01 all 0.14 0.00 0.03 0.00 0.00 99.83 22:43:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:43:01 1 0.07 0.00 0.07 0.00 0.00 99.86 22:43:01 2 0.44 0.00 0.03 0.00 0.00 99.52 22:43:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:44:01 all 0.14 0.00 0.03 0.00 0.00 99.83 22:44:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:44:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:44:01 2 0.48 0.00 0.07 0.00 0.00 99.45 22:44:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:45:01 all 0.15 0.00 0.03 0.00 0.00 99.81 22:45:01 0 0.02 0.00 0.00 0.00 0.00 99.98 22:45:01 1 0.03 0.00 0.07 0.00 0.00 99.90 22:45:01 2 0.53 0.00 0.05 0.00 0.00 99.42 22:45:01 3 0.03 0.00 0.00 0.00 0.00 99.97 22:46:01 all 0.03 0.00 0.06 0.00 0.00 99.90 22:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:46:01 1 0.03 0.00 0.12 0.00 0.00 99.85 22:46:01 2 0.08 0.00 0.07 0.00 0.00 99.85 22:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 2.87 0.00 1.32 1.57 0.00 94.23 Average: 0 2.42 0.00 1.33 1.37 0.01 94.87 Average: 1 2.71 0.00 1.51 1.52 0.00 94.25 Average: 2 2.81 0.00 1.41 1.37 0.01 94.40 Average: 3 3.56 0.00 1.02 2.01 0.00 93.42