---> uname -a: Linux fefce6eaeeb4 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: 2933.436 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% /w/workspace/ndry_app-functions-sdk-go_PR-387@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-387 ---> free -m: total used free shared buff/cache available Mem: 1837 662 121 0 1053 1068 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) 07/11/20 _x86_64_ (4 CPU) 07:44:41 LINUX RESTART 07:45:01 tps rtps wtps bread/s bwrtn/s 07:46:01 138.80 48.52 90.28 7689.35 41989.13 07:47:01 2.48 0.00 2.48 0.00 54.87 07:48:01 0.80 0.00 0.80 0.00 10.81 07:49:01 0.47 0.00 0.47 0.00 5.66 Average: 35.65 12.14 23.52 1923.22 10519.92 07:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:46:01 176208 1705348 90.63 2620 1122500 1114008 38.02 439108 1104892 120 07:47:01 199728 1681828 89.38 2620 1122588 1071484 36.57 421188 1100756 8 07:48:01 199040 1682516 89.42 2620 1122592 1071640 36.57 422284 1100744 8 07:49:01 198420 1683136 89.45 2620 1122596 1071700 36.58 422652 1100744 8 Average: 193349 1688207 89.72 2620 1122569 1082208 36.93 426308 1101784 36 07:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:46:01 eth0 618.63 426.08 1650.58 411.29 0.00 0.00 0.00 07:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 docker0 119.62 85.05 9.54 302.31 0.00 0.00 0.00 07:47:01 eth0 0.72 0.08 0.06 0.01 0.00 0.00 0.00 07:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 eth0 1.02 0.42 0.32 0.18 0.00 0.00 0.00 07:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 eth0 0.55 0.30 0.27 0.23 0.00 0.00 0.00 07:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 155.30 106.77 413.00 102.98 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 29.92 21.27 2.39 75.61 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) 07/11/20 _x86_64_ (4 CPU) 07:44:41 LINUX RESTART 07:45:01 CPU %user %nice %system %iowait %steal %idle 07:46:01 all 17.80 0.00 8.35 6.56 0.37 66.92 07:46:01 0 14.96 0.00 10.39 9.29 0.36 65.00 07:46:01 1 18.86 0.00 7.71 6.66 0.37 66.40 07:46:01 2 18.70 0.00 8.31 4.80 0.39 67.79 07:46:01 3 18.65 0.00 7.00 5.48 0.36 68.51 07:47:01 all 0.12 0.00 0.05 0.00 0.01 99.82 07:47:01 0 0.05 0.00 0.03 0.00 0.02 99.90 07:47:01 1 0.17 0.00 0.05 0.00 0.00 99.78 07:47:01 2 0.22 0.00 0.05 0.00 0.00 99.73 07:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 07:48:01 all 0.09 0.00 0.03 0.00 0.00 99.87 07:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:48:01 1 0.22 0.00 0.05 0.00 0.02 99.72 07:48:01 2 0.03 0.00 0.03 0.00 0.00 99.93 07:48:01 3 0.07 0.00 0.05 0.00 0.00 99.88 07:49:01 all 0.14 0.00 0.03 0.00 0.00 99.83 07:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:49:01 1 0.48 0.00 0.03 0.00 0.00 99.48 07:49:01 2 0.03 0.00 0.05 0.00 0.02 99.90 07:49:01 3 0.03 0.00 0.02 0.00 0.02 99.93 Average: all 4.47 0.00 2.08 1.61 0.09 91.74 Average: 0 3.70 0.00 2.57 2.28 0.09 91.36 Average: 1 4.87 0.00 1.94 1.64 0.10 91.45 Average: 2 4.68 0.00 2.08 1.18 0.10 91.95 Average: 3 4.61 0.00 1.74 1.35 0.09 92.21