---> uname -a: Linux bce6d8dcf453 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: 2933.436 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 774 109 0 952 993 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 15:55:29 LINUX RESTART 15:56:01 tps rtps wtps bread/s bwrtn/s 15:57:01 63.88 18.88 45.00 5343.50 6513.57 15:58:01 1.75 0.00 1.75 0.00 32.93 15:59:02 0.13 0.00 0.13 0.00 2.28 16:00:01 0.20 0.00 0.20 0.00 1.78 16:01:01 229.71 138.76 90.95 6263.78 31458.37 16:02:01 241.17 100.95 140.22 5548.64 35551.38 Average: 89.77 43.24 46.53 2868.38 12300.66 15:56:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:57:01 199860 1681696 89.38 2620 1082648 1122688 38.32 462212 1060656 120 15:58:01 207984 1673572 88.95 2620 1082612 1078600 36.81 459020 1056572 20 15:59:02 205756 1675800 89.06 2620 1082620 1078844 36.82 463408 1055364 8 16:00:01 201800 1679756 89.27 2620 1082620 1078880 36.82 467520 1054744 16 16:01:01 81956 1799600 95.64 2596 1053716 1434568 48.96 560180 1023900 69180 16:02:01 242408 1639148 87.12 1492 895720 1242868 42.42 611896 741260 28 Average: 189961 1691595 89.90 2428 1046656 1172741 40.02 504039 998749 11562 15:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:57:01 eth0 682.90 464.82 1637.59 408.28 0.00 0.00 0.00 15:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:57:01 docker0 117.23 105.06 10.28 304.03 0.00 0.00 0.00 15:58:01 eth0 0.77 0.08 0.06 0.01 0.00 0.00 0.00 15:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:59:02 eth0 0.93 0.45 0.34 0.21 0.00 0.00 0.00 15:59:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:59:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 eth0 0.52 0.36 0.27 0.21 0.00 0.00 0.00 16:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:01:01 veth32344ed 39.01 41.94 4.03 305.46 0.00 0.00 0.00 16:01:01 eth0 895.86 618.63 5778.23 437.19 0.00 0.00 0.00 16:01:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 16:01:01 docker0 156.23 146.87 13.78 609.43 0.00 0.00 0.00 16:02:01 eth0 314.30 207.68 3727.33 96.63 0.00 0.00 0.00 16:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:02:01 veth6d4b26f 0.00 0.03 0.00 0.00 0.00 0.00 0.00 16:02:01 docker0 22.99 28.06 1.48 184.93 0.00 0.00 0.00 Average: eth0 195.11 134.45 1578.22 88.87 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6d4b26f 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 29.96 29.25 2.55 132.81 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) 15:55:29 LINUX RESTART 15:56:01 CPU %user %nice %system %iowait %steal %idle 15:57:01 all 14.05 0.00 4.27 2.21 0.07 79.40 15:57:01 0 13.26 0.00 4.53 0.25 0.03 81.93 15:57:01 1 12.40 0.00 4.28 2.21 0.05 81.06 15:57:01 2 13.41 0.00 3.75 1.11 0.10 81.64 15:57:01 3 17.10 0.00 4.49 5.26 0.08 73.06 15:58:01 all 0.15 0.00 0.04 0.00 0.00 99.81 15:58:01 0 0.03 0.00 0.05 0.00 0.00 99.92 15:58:01 1 0.07 0.00 0.05 0.00 0.02 99.87 15:58:01 2 0.47 0.00 0.03 0.00 0.00 99.50 15:58:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:59:02 all 0.13 0.00 0.03 0.00 0.00 99.83 15:59:02 0 0.03 0.00 0.03 0.00 0.00 99.93 15:59:02 1 0.05 0.00 0.02 0.00 0.00 99.93 15:59:02 2 0.43 0.00 0.03 0.00 0.00 99.53 15:59:02 3 0.05 0.00 0.03 0.00 0.00 99.92 16:00:01 all 0.16 0.00 0.03 0.00 0.01 99.81 16:00:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:00:01 1 0.02 0.00 0.02 0.00 0.02 99.95 16:00:01 2 0.52 0.00 0.03 0.00 0.00 99.44 16:00:01 3 0.05 0.00 0.05 0.00 0.02 99.88 16:01:01 all 7.86 0.00 4.23 1.78 0.09 86.03 16:01:01 0 7.89 0.00 4.59 1.85 0.10 85.57 16:01:01 1 7.31 0.00 3.80 1.16 0.08 87.65 16:01:01 2 7.88 0.00 4.04 1.89 0.10 86.09 16:01:01 3 8.40 0.00 4.48 2.23 0.08 84.81 16:02:01 all 12.20 0.00 7.52 3.14 0.28 76.86 16:02:01 0 16.24 0.00 7.86 2.02 0.24 73.64 16:02:01 1 10.45 0.00 7.21 2.66 0.25 79.43 16:02:01 2 10.54 0.00 7.16 4.06 0.29 77.95 16:02:01 3 11.56 0.00 7.86 3.80 0.31 76.47 Average: all 5.74 0.00 2.67 1.18 0.07 90.33 Average: 0 6.21 0.00 2.83 0.68 0.06 90.21 Average: 1 5.03 0.00 2.55 1.00 0.07 91.35 Average: 2 5.52 0.00 2.50 1.17 0.08 90.73 Average: 3 6.18 0.00 2.81 1.88 0.08 89.06