---> uname -a: Linux 08396f1d4dc0 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% /w/workspace/ndry_app-functions-sdk-go_PR-401@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-401 ---> free -m: total used free shared buff/cache available Mem: 1837 671 124 0 1041 1060 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) 07/09/20 _x86_64_ (4 CPU) 23:10:51 LINUX RESTART 23:12:01 tps rtps wtps bread/s bwrtn/s 23:13:01 10.74 2.03 8.71 634.49 1348.50 23:14:01 0.40 0.00 0.40 0.00 5.91 23:15:01 0.25 0.00 0.25 0.00 2.98 23:16:02 0.17 0.00 0.17 0.00 2.28 23:17:01 0.44 0.00 0.44 0.00 7.25 23:18:01 0.30 0.02 0.28 0.13 2.86 Average: 2.05 0.34 1.71 106.09 228.97 23:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:13:01 209012 1672544 88.89 2620 1093472 1132276 38.64 438736 1073588 32 23:14:01 215516 1666040 88.55 2620 1093472 1075876 36.72 438040 1069524 12 23:15:01 211652 1669904 88.75 2620 1093480 1076128 36.73 441568 1069524 16 23:16:02 210216 1671340 88.83 2620 1093480 1076252 36.73 445780 1066860 16 23:17:01 209504 1672052 88.87 2620 1093484 1076012 36.72 457672 1056216 8 23:18:01 208692 1672864 88.91 2620 1093496 1075940 36.72 475808 1038972 16 Average: 210765 1670791 88.80 2620 1093481 1085414 37.04 449601 1062447 17 23:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:13:01 eth0 201.22 175.15 346.54 346.80 0.00 0.00 0.00 23:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 docker0 112.17 94.12 10.00 305.58 0.00 0.00 0.00 23:14:01 eth0 1.41 0.08 0.12 0.04 0.00 0.00 0.00 23:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:01 eth0 1.42 0.62 0.58 0.40 0.00 0.00 0.00 23:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:02 eth0 0.40 0.33 0.26 0.20 0.00 0.00 0.00 23:16:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:16:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 eth0 0.34 0.20 0.15 0.07 0.00 0.00 0.00 23:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:18:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 23:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 34.26 29.50 58.12 58.10 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.75 15.74 1.67 51.09 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) 07/09/20 _x86_64_ (4 CPU) 23:10:51 LINUX RESTART 23:12:01 CPU %user %nice %system %iowait %steal %idle 23:13:01 all 3.04 0.00 0.95 0.06 3.72 92.23 23:13:01 0 2.47 0.00 1.02 0.10 3.74 92.68 23:13:01 1 2.35 0.00 0.75 0.03 3.50 93.37 23:13:01 2 4.14 0.00 1.22 0.02 3.50 91.12 23:13:01 3 3.19 0.00 0.86 0.08 4.14 91.72 23:14:01 all 0.09 0.00 0.05 0.00 0.27 99.59 23:14:01 0 0.00 0.00 0.03 0.00 0.17 99.80 23:14:01 1 0.30 0.00 0.05 0.00 0.18 99.47 23:14:01 2 0.03 0.00 0.05 0.00 0.33 99.58 23:14:01 3 0.03 0.00 0.03 0.00 0.42 99.52 23:15:01 all 0.10 0.00 0.03 0.00 0.54 99.34 23:15:01 0 0.03 0.00 0.03 0.00 0.86 99.07 23:15:01 1 0.30 0.00 0.02 0.00 0.42 99.27 23:15:01 2 0.03 0.00 0.03 0.00 0.63 99.30 23:15:01 3 0.03 0.00 0.03 0.00 0.25 99.68 23:16:02 all 0.10 0.00 0.02 0.00 0.22 99.65 23:16:02 0 0.00 0.00 0.02 0.00 0.47 99.52 23:16:02 1 0.18 0.00 0.02 0.00 0.15 99.65 23:16:02 2 0.15 0.00 0.02 0.00 0.22 99.62 23:16:02 3 0.07 0.00 0.03 0.00 0.07 99.83 23:17:01 all 0.12 0.00 0.04 0.00 0.22 99.61 23:17:01 0 0.03 0.00 0.08 0.00 0.39 99.49 23:17:01 1 0.03 0.00 0.02 0.00 0.07 99.88 23:17:01 2 0.41 0.00 0.05 0.00 0.37 99.17 23:17:01 3 0.03 0.00 0.02 0.00 0.03 99.92 23:18:01 all 0.10 0.00 0.04 0.00 0.20 99.65 23:18:01 0 0.02 0.00 0.05 0.00 0.15 99.78 23:18:01 1 0.02 0.00 0.02 0.00 0.08 99.88 23:18:01 2 0.35 0.00 0.08 0.00 0.53 99.04 23:18:01 3 0.00 0.00 0.02 0.00 0.07 99.92 Average: all 0.59 0.00 0.19 0.01 0.87 98.34 Average: 0 0.43 0.00 0.21 0.02 0.96 98.39 Average: 1 0.53 0.00 0.14 0.01 0.74 98.58 Average: 2 0.85 0.00 0.24 0.00 0.93 97.97 Average: 3 0.56 0.00 0.17 0.01 0.83 98.43