---> uname -a: Linux 485480f0abee 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: 2933.442 BogoMIPS: 5866.88 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-415 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-415@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 675 130 0 1032 1056 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) 07/24/20 _x86_64_ (4 CPU) 23:44:43 LINUX RESTART 23:45:01 tps rtps wtps bread/s bwrtn/s 23:46:01 181.11 88.96 92.14 11108.79 41967.56 23:47:01 3.16 0.00 3.16 0.00 110.69 23:48:01 0.33 0.00 0.33 0.00 5.55 23:49:01 0.20 0.00 0.20 0.00 1.88 23:50:01 0.23 0.00 0.23 0.00 3.61 23:51:01 0.32 0.00 0.32 0.00 4.05 Average: 30.91 14.83 16.07 1852.29 7018.66 23:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:46:01 222488 1659068 88.18 2620 1061700 1103912 37.67 446184 1055368 120 23:47:01 220668 1660888 88.27 2620 1061816 1103972 37.68 448364 1054864 20 23:48:01 225940 1655616 87.99 2620 1061824 1073764 36.65 451608 1047304 12 23:49:01 225700 1655856 88.00 2620 1061824 1073836 36.65 452012 1047304 8 23:50:01 224460 1657096 88.07 2620 1061832 1073860 36.65 463352 1037464 8 23:51:01 226372 1655184 87.97 2620 1061836 1073608 36.64 461852 1037456 12 Average: 224271 1657285 88.08 2620 1061805 1083825 36.99 453895 1046627 30 23:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:46:01 eth0 826.51 546.30 1668.58 420.56 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 119.06 121.19 9.82 304.00 0.00 0.00 0.00 23:47:01 eth0 1.08 0.25 0.32 0.05 0.00 0.00 0.00 23:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 eth0 0.92 0.52 0.32 0.38 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 eth0 1.65 0.27 0.38 0.19 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 0.88 0.67 0.57 0.37 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.33 0.25 0.14 0.11 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 138.62 91.42 278.51 70.31 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 19.85 20.21 1.64 50.69 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) 07/24/20 _x86_64_ (4 CPU) 23:44:43 LINUX RESTART 23:45:01 CPU %user %nice %system %iowait %steal %idle 23:46:01 all 17.41 0.00 9.12 11.42 0.05 61.99 23:46:01 0 16.33 0.00 9.75 10.58 0.07 63.28 23:46:01 1 18.79 0.00 8.23 10.69 0.05 62.25 23:46:01 2 17.72 0.00 8.53 14.26 0.03 59.45 23:46:01 3 16.82 0.00 10.00 10.13 0.03 63.02 23:47:01 all 0.17 0.00 0.04 0.00 0.00 99.78 23:47:01 0 0.05 0.00 0.05 0.00 0.00 99.90 23:47:01 1 0.08 0.00 0.03 0.00 0.00 99.88 23:47:01 2 0.55 0.00 0.07 0.00 0.00 99.38 23:47:01 3 0.03 0.00 0.02 0.00 0.00 99.95 23:48:01 all 0.10 0.00 0.03 0.00 0.00 99.87 23:48:01 0 0.05 0.00 0.03 0.00 0.00 99.92 23:48:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:48:01 2 0.25 0.00 0.03 0.00 0.00 99.72 23:48:01 3 0.07 0.00 0.03 0.00 0.00 99.90 23:49:01 all 0.05 0.00 0.04 0.00 0.00 99.91 23:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:49:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:49:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:49:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:50:01 all 0.17 0.00 0.05 0.00 0.00 99.77 23:50:01 0 0.40 0.00 0.03 0.00 0.00 99.57 23:50:01 1 0.08 0.00 0.07 0.00 0.00 99.85 23:50:01 2 0.18 0.00 0.08 0.00 0.00 99.73 23:50:01 3 0.03 0.00 0.02 0.00 0.02 99.93 23:51:01 all 0.16 0.00 0.08 0.00 0.00 99.76 23:51:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:51:01 1 0.40 0.00 0.05 0.00 0.00 99.55 23:51:01 2 0.18 0.00 0.23 0.00 0.02 99.57 23:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 2.98 0.00 1.55 1.89 0.01 93.57 Average: 0 2.78 0.00 1.63 1.74 0.01 93.84 Average: 1 3.21 0.00 1.40 1.77 0.01 93.62 Average: 2 3.14 0.00 1.49 2.36 0.01 92.99 Average: 3 2.80 0.00 1.67 1.67 0.01 93.85