---> uname -a: Linux 8e5cdeed11c9 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 7.9G 42.1G 16% / 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 7.9G 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.9G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.9G 42.1G 16% /var/log/sa /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 7.9G 42.1G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 698 128 0 1010 1039 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 8: eth0@if9: 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) 07/30/20 _x86_64_ (4 CPU) 23:21:32 LINUX RESTART 23:22:02 tps rtps wtps bread/s bwrtn/s 23:23:01 87.44 37.66 49.78 7672.44 6780.59 23:24:01 1.92 0.00 1.92 0.00 41.27 23:25:01 0.53 0.00 0.53 0.00 8.43 23:26:01 0.28 0.00 0.28 0.00 4.46 23:27:01 0.30 0.00 0.30 0.00 5.15 Average: 17.87 7.44 10.44 1514.70 1350.52 23:22:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:23:01 213304 1668252 88.66 2620 1077652 1108120 37.82 480284 1029356 120 23:24:01 213720 1667836 88.64 2620 1077636 1107836 37.81 481472 1028244 16 23:25:01 214628 1666928 88.59 2620 1077644 1080060 36.86 482896 1026584 20 23:26:01 211332 1670224 88.77 2620 1077644 1080108 36.86 486772 1025948 16 23:27:01 208580 1672976 88.91 2620 1077676 1108996 37.85 497376 1018200 28 Average: 212313 1669243 88.72 2620 1077650 1097024 37.44 485760 1025666 40 23:22:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:23:01 eth0 804.60 588.69 1696.35 421.84 0.00 0.00 0.00 23:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 docker0 141.79 112.42 10.69 308.76 0.00 0.00 0.00 23:24:01 eth0 1.43 0.42 0.35 0.21 0.00 0.00 0.00 23:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:25:01 eth0 1.60 0.55 0.61 0.36 0.00 0.00 0.00 23:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:26:01 eth0 0.40 0.35 0.26 0.23 0.00 0.00 0.00 23:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:27:01 eth0 0.85 0.62 0.84 0.22 0.00 0.00 0.00 23:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 159.70 116.61 335.31 83.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 27.99 22.19 2.11 60.95 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) 07/30/20 _x86_64_ (4 CPU) 23:21:32 LINUX RESTART 23:22:02 CPU %user %nice %system %iowait %steal %idle 23:23:01 all 16.59 0.00 5.68 2.89 0.01 74.83 23:23:01 0 17.81 0.00 7.05 2.99 0.02 72.14 23:23:01 1 16.82 0.00 5.29 3.38 0.00 74.50 23:23:01 2 14.88 0.00 5.42 3.91 0.00 75.79 23:23:01 3 16.84 0.00 4.98 1.28 0.00 76.90 23:24:01 all 0.18 0.00 0.03 0.00 0.00 99.78 23:24:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:24:01 1 0.30 0.00 0.05 0.00 0.00 99.65 23:24:01 2 0.35 0.00 0.03 0.00 0.00 99.62 23:24:01 3 0.02 0.00 0.02 0.00 0.02 99.95 23:25:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:25:01 0 0.02 0.00 0.05 0.00 0.00 99.93 23:25:01 1 0.07 0.00 0.03 0.00 0.00 99.90 23:25:01 2 0.53 0.00 0.02 0.00 0.00 99.45 23:25:01 3 0.08 0.00 0.03 0.00 0.00 99.88 23:26:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:26:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:26:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:26:01 2 0.52 0.00 0.05 0.00 0.02 99.42 23:26:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:27:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:27:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:27:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:27:01 2 0.55 0.00 0.07 0.00 0.00 99.38 23:27:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 3.39 0.00 1.14 0.57 0.00 94.90 Average: 0 3.52 0.00 1.41 0.59 0.00 94.48 Average: 1 3.39 0.00 1.06 0.66 0.00 94.89 Average: 2 3.31 0.00 1.10 0.77 0.00 94.83 Average: 3 3.34 0.00 1.00 0.25 0.00 95.41