---> uname -a: Linux 97929efc642f 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-449 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-449@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 678 123 0 1035 1053 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) 08/26/20 _x86_64_ (4 CPU) 04:36:20 LINUX RESTART 04:37:01 tps rtps wtps bread/s bwrtn/s 04:38:01 56.72 15.53 41.19 5105.51 5539.42 04:39:01 1.60 0.00 1.60 0.00 30.91 04:40:01 0.27 0.00 0.27 0.00 3.96 04:41:01 0.52 0.00 0.52 0.00 6.51 04:42:01 0.25 0.00 0.25 0.00 3.13 04:43:01 0.32 0.00 0.32 0.00 4.36 Average: 9.95 2.59 7.36 851.32 931.82 04:37:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:38:01 224872 1656684 88.05 2620 1060348 1108960 37.85 446860 1049852 120 04:39:01 229716 1651840 87.79 2620 1060336 1078772 36.82 446708 1045580 12 04:40:01 229108 1652448 87.82 2620 1060344 1078952 36.82 447900 1045580 16 04:41:01 227412 1654144 87.91 2620 1060344 1078976 36.82 449900 1045068 8 04:42:01 228936 1652620 87.83 2620 1060348 1078856 36.82 462188 1031776 20 04:43:01 228648 1652908 87.85 2620 1060356 1078920 36.82 467812 1026460 16 Average: 228115 1653441 87.88 2620 1060346 1083906 36.99 453561 1040719 32 04:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:38:01 eth0 544.88 409.71 1301.70 395.52 0.00 0.00 0.00 04:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:38:01 docker0 103.50 86.22 8.54 301.83 0.00 0.00 0.00 04:39:01 eth0 0.70 0.02 0.06 0.00 0.00 0.00 0.00 04:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 eth0 1.02 0.57 0.41 0.22 0.00 0.00 0.00 04:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 eth0 0.57 0.37 0.28 0.20 0.00 0.00 0.00 04:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 eth0 0.22 0.15 0.08 0.04 0.00 0.00 0.00 04:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 eth0 0.22 0.18 0.07 0.04 0.00 0.00 0.00 04:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 91.31 68.53 217.20 66.03 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.26 14.38 1.42 50.33 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) 08/26/20 _x86_64_ (4 CPU) 04:36:20 LINUX RESTART 04:37:01 CPU %user %nice %system %iowait %steal %idle 04:38:01 all 8.12 0.00 2.54 1.68 0.00 87.66 04:38:01 0 9.67 0.00 3.02 2.08 0.00 85.24 04:38:01 1 7.40 0.00 2.78 2.31 0.00 87.51 04:38:01 2 8.20 0.00 1.87 1.52 0.02 88.39 04:38:01 3 7.20 0.00 2.53 0.82 0.00 89.45 04:39:01 all 0.14 0.00 0.03 0.00 0.00 99.83 04:39:01 0 0.00 0.00 0.02 0.00 0.00 99.98 04:39:01 1 0.47 0.00 0.02 0.00 0.00 99.52 04:39:01 2 0.07 0.00 0.05 0.00 0.00 99.88 04:39:01 3 0.02 0.00 0.03 0.00 0.00 99.95 04:40:01 all 0.16 0.00 0.03 0.00 0.00 99.81 04:40:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:40:01 1 0.52 0.00 0.05 0.00 0.02 99.42 04:40:01 2 0.07 0.00 0.03 0.00 0.00 99.90 04:40:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:41:01 all 0.15 0.00 0.03 0.00 0.00 99.83 04:41:01 0 0.02 0.00 0.03 0.00 0.00 99.95 04:41:01 1 0.52 0.00 0.02 0.00 0.00 99.47 04:41:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:41:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:42:01 all 0.16 0.00 0.04 0.00 0.00 99.80 04:42:01 0 0.03 0.00 0.02 0.00 0.00 99.95 04:42:01 1 0.50 0.00 0.07 0.00 0.00 99.43 04:42:01 2 0.07 0.00 0.03 0.00 0.00 99.90 04:42:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:43:01 all 0.16 0.00 0.05 0.00 0.00 99.79 04:43:01 0 0.00 0.00 0.00 0.00 0.00 100.00 04:43:01 1 0.48 0.00 0.15 0.00 0.00 99.37 04:43:01 2 0.07 0.00 0.02 0.00 0.00 99.92 04:43:01 3 0.07 0.00 0.03 0.00 0.00 99.90 Average: all 1.47 0.00 0.45 0.28 0.00 97.79 Average: 0 1.62 0.00 0.52 0.34 0.00 97.52 Average: 1 1.64 0.00 0.51 0.38 0.00 97.46 Average: 2 1.41 0.00 0.34 0.25 0.00 97.99 Average: 3 1.22 0.00 0.44 0.14 0.00 98.20