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Docker Swarm 覆盖网络：ksoftirqd 占用了所有 CPU

tag-icon • tag-icon docker kubernetes docker-swarm
Docker Swarm 覆盖网络：ksoftirqd 占用了所有 CPU

我有一个 docker swarm 覆盖网络连接着 6 个节点，每个节点运行 4 个容器，通信频率很高。我一直在尝试找出网络瓶颈，最终发现罪魁祸首是与 docker swarm 网络相关的 ksoftirqd 进程，它占用了管理器节点中的所有 CPU，导致我的应用程序崩溃。所以我的问题是，有没有人找到解决方法？我正在尝试避免迁移到 Kubernetes。

ksoftirqd进程

The Hardware info:
System:    Host: caliper-latest Kernel: 4.15.0-99-generic x86_64 bits: 64 gcc: 7.5.0 Console: tty 1
           Distro: Ubuntu 18.04.4 LTS
Machine:   Device: kvm System: QEMU product: Standard PC (i440FX + PIIX 1996) v: pc-i440fx-2.8 serial: N/A
           Mobo: N/A model: N/A serial: N/A BIOS: SeaBIOS v: 1.10.2-1 date: 04/01/2014
CPU(s):    15 Single core QEMU Virtual version 2.5+s (-SMP-) arch: P6 II rev.3 cache: 245760 KB
           flags: (lm nx sse sse2 sse3) bmips: 79799
           clock speeds: max: 2659 MHz 1: 2659 MHz 2: 2659 MHz 3: 2659 MHz 4: 2659 MHz 5: 2659 MHz 6: 2659 MHz
           7: 2659 MHz 8: 2659 MHz 9: 2659 MHz 10: 2659 MHz 11: 2659 MHz 12: 2659 MHz 13: 2659 MHz 14: 2659 MHz
           15: 2659 MHz
Graphics:  Card: Cirrus Logic GD 5446 bus-ID: 00:02.0
           Display Server: N/A driver: N/A tty size: 270x20 Advanced Data: N/A out of X
Network:   Card: Realtek RTL-8100/8101L/8139 PCI Fast Ethernet Adapter
           driver: 8139cp v: 1.3 port: c000 bus-ID: 00:03.0
           IF: ens3 state: up speed: 100 Mbps duplex: full mac: <filter>
Drives:    HDD Total Size: 32.2GB (27.3% used)
           ID-1: /dev/vda model: N/A size: 32.2GB
Partition: ID-1: / size: 29G used: 8.2G (29%) fs: ext4 dev: /dev/vda1
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   None detected - is lm-sensors installed and configured?
Info:      Processes: 238 Uptime: 3:46 Memory: 774.3/14022.2MB Init: systemd runlevel: 5 Gcc sys: 7.5.0
           Client: Shell (bash 4.4.201) inxi: 2.3.56

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