Traffic load balance

Graylog Central (peer support)
1

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1. Describe your incident:
I have three nodes, but all the traffic goes to the master node. How can I load balance the traffic to these three nodes? If haproxy is used, how to configure it.

2. Describe your environment:

  • OS Information:
    centos 8
    graylog 4.2.2

  • Package Version:

  • Service logs, configurations, and environment variables:
    Is it okay to follow this configuration?

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2

Hello,

Looks like your other two node are not processing any messages “0”.
Not sure what you have done or how you configured your cluster, so its hard to identify where the issue is.
What documentation did you use to create this cluster?
Perhaps some more information would help, if your unsure please look here for a better understanding.

3

frontend graylog_http
bind *:80
option forwardfor
http-request add-header X-Forwarded-Host %[req.hdr(host)]
http-request add-header X-Forwarded-Server %[req.hdr(host)]
http-request add-header X-Forwarded-Port %[dst_port]
acl is_graylog hdr_dom(host) -i -m str graylog.example.org
use_backend graylog

backend graylog
description The Graylog Web backend.
balance roundrobin
option httpchk HEAD /api/system/lbstatus
http-request set-header X-Graylog-Server-URL http://graylog.example.org/
server graylog1 192.168.0.10:9000 maxconn 20 check
server graylog2 192.168.0.11:9000 maxconn 20 check
server graylog3 192.168.0.12:9000 maxconn 20 check

4

Hello,

Not sure what configuration that is for, so I assume it elasticsearch. If that correct I see why your having problems, I’m also referring to package install. If this is Docker I’m not going to be much help.

5

I installed it with yum. There are currently 3 nodes. I want to use a haproxy to load balance the traffic. How to configure it? Now the traffic goes to the master node. The other two nodes are in restricted state, which leads to a backlog of messages on the master node.

6

You may need to read this documentation, It will explain how to set that up for you.

https://docs.graylog.org/v1/docs/multinode-setup

7

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