---> uname -a: Linux 166f004cdd17 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-421@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-421 ---> free -m: total used free shared buff/cache available Mem: 1837 680 127 0 1029 1050 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) 07/30/20 _x86_64_ (4 CPU) 22:10:15 LINUX RESTART 22:11:01 tps rtps wtps bread/s bwrtn/s 22:12:01 37.15 11.90 25.24 4548.92 3438.61 22:13:01 1.55 0.00 1.55 0.00 27.57 22:14:01 0.18 0.00 0.18 0.00 2.45 22:15:01 0.30 0.00 0.30 0.00 3.91 22:16:01 0.20 0.00 0.20 0.00 2.91 22:17:01 0.33 0.00 0.33 0.00 4.98 22:18:01 173.35 117.01 56.33 8365.04 19907.29 Average: 30.44 18.42 12.02 1845.27 3341.97 22:11:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:12:01 210840 1670716 88.79 2620 1091984 1114016 38.02 445204 1066736 20 22:13:01 216672 1664884 88.48 2620 1091988 1072248 36.59 444252 1062856 8 22:14:01 211308 1670248 88.77 2620 1091996 1072500 36.60 451784 1061004 8 22:15:01 210376 1671180 88.82 2620 1091996 1072452 36.60 453152 1060400 8 22:16:01 211588 1669968 88.75 2620 1092000 1072344 36.60 456440 1056464 8 22:17:01 209688 1671868 88.86 2620 1092008 1072392 36.60 467644 1047048 8 22:18:01 147172 1734384 92.18 2620 1052016 1225288 41.82 528068 1004412 296 Average: 202521 1679035 89.24 2620 1086284 1100177 37.55 463792 1051274 51 22:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:12:01 eth0 308.42 236.36 766.74 356.78 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 100.10 96.79 8.23 302.84 0.00 0.00 0.00 22:13:01 eth0 0.80 0.07 0.07 0.01 0.00 0.00 0.00 22:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 eth0 1.45 0.18 0.37 0.16 0.00 0.00 0.00 22:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 eth0 1.48 0.82 0.82 0.59 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 eth0 0.67 0.15 0.13 0.07 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 eth0 1.78 0.45 0.47 0.24 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 eth0 106.71 70.77 2336.66 26.69 0.00 0.00 0.00 22:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 veth6a18bbf 0.22 0.28 0.40 0.10 0.00 0.00 0.00 22:18:01 docker0 100.30 96.95 8.63 302.88 0.00 0.00 0.00 Average: eth0 60.20 44.12 443.72 54.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6a18bbf 0.03 0.04 0.06 0.01 0.00 0.00 0.00 Average: docker0 14.33 13.85 1.23 43.28 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) 07/30/20 _x86_64_ (4 CPU) 22:10:15 LINUX RESTART 22:11:01 CPU %user %nice %system %iowait %steal %idle 22:12:01 all 4.92 0.00 1.95 1.10 0.00 92.03 22:12:01 0 4.44 0.00 2.11 0.18 0.00 93.26 22:12:01 1 4.55 0.00 1.79 0.45 0.00 93.21 22:12:01 2 4.58 0.00 1.82 2.06 0.00 91.54 22:12:01 3 6.11 0.00 2.02 1.71 0.00 90.16 22:13:01 all 0.15 0.00 0.04 0.00 0.00 99.81 22:13:01 0 0.48 0.00 0.05 0.00 0.00 99.47 22:13:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:13:01 2 0.02 0.00 0.05 0.00 0.00 99.93 22:13:01 3 0.03 0.00 0.03 0.00 0.02 99.92 22:14:01 all 0.15 0.00 0.04 0.00 0.00 99.80 22:14:01 0 0.47 0.00 0.05 0.00 0.00 99.48 22:14:01 1 0.07 0.00 0.05 0.00 0.00 99.88 22:14:01 2 0.08 0.00 0.03 0.00 0.00 99.88 22:14:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:15:01 all 0.17 0.00 0.03 0.00 0.00 99.80 22:15:01 0 0.25 0.00 0.05 0.00 0.00 99.70 22:15:01 1 0.12 0.00 0.03 0.00 0.00 99.85 22:15:01 2 0.28 0.00 0.02 0.00 0.00 99.70 22:15:01 3 0.03 0.00 0.05 0.00 0.00 99.92 22:16:01 all 0.15 0.00 0.04 0.00 0.00 99.81 22:16:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:16:01 1 0.05 0.00 0.02 0.00 0.00 99.93 22:16:01 2 0.47 0.00 0.02 0.00 0.00 99.52 22:16:01 3 0.03 0.00 0.05 0.00 0.00 99.92 22:17:01 all 0.12 0.00 0.09 0.00 0.00 99.80 22:17:01 0 0.02 0.00 0.23 0.00 0.00 99.75 22:17:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:17:01 2 0.40 0.00 0.03 0.00 0.00 99.57 22:17:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:18:01 all 5.79 0.00 3.41 2.34 0.01 88.45 22:18:01 0 5.13 0.00 3.17 3.05 0.00 88.65 22:18:01 1 4.83 0.00 3.17 1.19 0.02 90.79 22:18:01 2 6.68 0.00 3.53 0.82 0.02 88.95 22:18:01 3 6.50 0.00 3.83 4.30 0.00 85.36 Average: all 1.63 0.00 0.80 0.49 0.00 97.08 Average: 0 1.54 0.00 0.81 0.46 0.00 97.19 Average: 1 1.38 0.00 0.73 0.23 0.00 97.66 Average: 2 1.78 0.00 0.78 0.41 0.00 97.02 Average: 3 1.81 0.00 0.86 0.85 0.00 96.47