---> uname -a: Linux 58fcb35e0084 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-387 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 121 0 1045 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) 06/23/20 _x86_64_ (4 CPU) 19:45:03 LINUX RESTART 19:46:01 tps rtps wtps bread/s bwrtn/s 19:47:01 9.16 1.38 7.78 132.69 1349.63 19:48:01 1.68 0.00 1.68 0.00 30.82 Average: 5.42 0.69 4.73 66.34 690.22 19:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:47:01 199000 1682556 89.42 2620 1096272 1093392 37.32 466732 1057204 20 19:48:01 198144 1683412 89.47 2620 1096276 1083272 36.97 470228 1055032 16 Average: 198572 1682984 89.45 2620 1096274 1088332 37.14 468480 1056118 18 19:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:47:01 eth0 218.08 204.71 338.39 324.76 0.00 0.00 0.00 19:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 docker0 131.29 96.94 10.32 305.13 0.00 0.00 0.00 19:48:01 eth0 1.33 0.58 0.59 0.39 0.00 0.00 0.00 19:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 109.71 102.65 169.49 162.58 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 65.65 48.47 5.16 152.56 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) 06/23/20 _x86_64_ (4 CPU) 19:45:03 LINUX RESTART 19:46:01 CPU %user %nice %system %iowait %steal %idle 19:47:01 all 2.54 0.00 0.75 0.04 0.00 96.66 19:47:01 0 1.91 0.00 0.95 0.00 0.00 97.14 19:47:01 1 1.45 0.00 0.73 0.02 0.00 97.80 19:47:01 2 2.47 0.00 0.70 0.02 0.02 96.80 19:47:01 3 4.34 0.00 0.63 0.13 0.00 94.89 19:48:01 all 0.15 0.00 0.04 0.00 0.00 99.82 19:48:01 0 0.43 0.00 0.03 0.00 0.00 99.53 19:48:01 1 0.02 0.00 0.03 0.00 0.00 99.95 19:48:01 2 0.10 0.00 0.03 0.00 0.00 99.87 19:48:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 1.34 0.00 0.39 0.02 0.00 98.24 Average: 0 1.17 0.00 0.49 0.00 0.00 98.34 Average: 1 0.73 0.00 0.38 0.01 0.00 98.87 Average: 2 1.28 0.00 0.37 0.01 0.01 98.33 Average: 3 2.18 0.00 0.33 0.07 0.00 97.42