Questions tagged [load-balancing]
Load balancing deal with the techniques involved on using multiple systems to deal with high demands, balancing the load between those multiple systems. Questions deal with networking and server load balancing, using dedicated hardware or not.
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Synchronizing load balanced Linux servers
I want to load-balance two dedicated linux servers, I'm planning to do that using round robin DNS, but I can't find a way to synchronize the servers to be identical.
The servers are running a perl ...
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Load balance site with Nginx
I have a rails 4 application served by nginx that is getting more traffic than the server can handle so i want to run a second instance of that app on another server and load balance the traffic ...
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Wrong External IP for Real Server Behind Load Balancer
I have a hardware load balancer with multiple Virtual IPs. ie (3.3.3.3, 3.3.3.4).
Behind Virtual IP 3.3.3.3 I am load balancing several web servers.
Behind VIP 3.3.3.4 I have a mail server running ...
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HAProxy load balancing check
I have two LDAP servers that replicate together on my LAN. I have a Pfsense CE that performs a load balancing on my two servers for the requests from the WAN. Is it possible to check the number of ...
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Unusually High Response Time Loadtesting NGINX Load Balancer for K3s Cluster
I'm loadtesting a webstore that I set up using a K3s cluster. The Architecture looks like this:
K3S Architecture
The worker nodes are sharing a total of 10 pods. The Load Balancer is hosted on an ...
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33
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Elastic IP not working for Network Load Balancer
I have created a Network Load Balancer on AWS with two public subnets. For one of the subnet, I have allocated a static elastic IP. When trying to reach the NLB using the static IP I get ...
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Using CloudFlare's Load Balancer with Wordpress Multisite Across Domains
I currently have a single Wordpress site, example.com on CloudFlare with Load Balancing. I'm transitioning this site over to a Wordpress Multisite install so it'll host example.com, foobar.com, and ...
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How to have multiple instances of filebeat load balance Netflow input?
I have a very high volume Netflow input stream, and I was hoping that I could run multiple instances of Filebeat and load-balance the Netflow traffic over the Filebeat instances, and then write to a ...
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nginx load balancer cannot send "proxy_host" value correctly
I want to use nginx load balancer. The domain servers used in the upstream section use a shared IP.
Suppose the domain name of the load balancer server is load-balancer.com
upstream test_upstream {
...
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Yahoo L3dsr loadbalancer install issue.why I have private key issue?
I need to make a load balancer. But I have to use l3dsr metod because my loadbalancer server and real server are in different locations and subnets.
I does configuration on my load balancer server and ...
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How to use DSR load balnce from two different network?
I have a server (A) which clients connect to it throw internet and its ip is 195.45.10.2 it route trafic to server (B) and its ip is 85.10 20.2 . So now I want to use some thing like dsr to let server ...
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Reusing client certificate for TLS proxy with nginx?
I have a TCP application that uses mutual TLS to authenticate connecting clients.
Because of increased traffic I'd like to clusterize the application and load-balance the nodes with nginx. I already ...
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Load balance multiple VPN connections in linux
I have a container set up as a VPN gateway running openvpn. Anything routed through the gateway is routed through the VPN. I would like to run multiple VPN connections on the gateway and for traffic ...
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S3 / Cloudfront / Load balancer Architecture explanation needed
My architecture is like so:
I have a static website xyz.com hosted on s3 and served with cloudfront. The website is accessing an api that seats behind a load balancer. I want to make sure that only ...
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Direct Server Return software and configuration for mesh network of raspbery pi servers
I don't know much about DSR technology but as I am aware both load balancer and servers need to be behind same router because of virtual IP addresses.
I need solution to have cloud-based geo-based ...
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HAProxy backend with different path prefix per server
Is it possible to configure an HAProxy backend with multiple servers and different path prefix for each server? I want something like this:
backend mybackend
server node1 server1.example.com/...
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AWS Sticky session cookie not working
I'm using an application load balancer with the target group of two instances. In the target group, I have enabled application based cookie. However whenever I test the load balancer, it keeps ...
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502 Server Error on GCP
My server is having Error 502 issue after every 10 to 15 mins and it is working fine again after few seconds. Can anyone tell me what is the exact issue is it because of load balancer or due to the ...
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FQDN LB Bare metal kubernetes
Hello everyone and have a great time of the day!
I've got following non trivial idea to move my K8s from AWS EKS to bare metal VMware.
Initially I've tried VMware solutions like Tanzu but NSX needs ...
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430
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How to configure AWS Application Load Balancer to point to multiple ports on the same server
I cannot get access to the second port that I want to have to. So, here are the listeners I have in my ALB:
HTTP:80 - that does not have security policy or SSL cert but it is always redirecting to ...
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Haproxy deny domain and path with map
I would like to make deny for specific domains + path preferably using maps or text file in haproxy.
For example, I would like to define file with domain:
example.com/test-path
example2.com/another-...
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What is number of concurrent users Nginx Load Balancer 1CPU 2GB can handle?
I'm looking for average number for 1GB/2GB/4GB memory cloud(vps) machine can handle? Please share if you have any experiences.
I can currently handle 500 concurrent users without sacrificing response ...
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Configure apache ssl with load balancer (DigitalOcean)
I'm probably missing something really basic, but I've been trying for some time now to configure an apache server (which serves a wordpress site) for ssl with a DigitalOcean Load balancer.
The load ...
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Setting up Rhel cluster for high perfomance and load balancing
I am having 7 servers with RHEL, I want to setup a cluster for those. We need cluster for:
1: high Perfomance
2: load balancing
I have NAS for shared storage. I want to setup 1 server as visulization ...
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How do I load balance based on backend connections in AWS?
I'm trying to set up a hybrid cloud with AWS as the primary gateway.
To save money, I want to direct all traffic up to 1,000 connections to on-premise and the rest to AWS servers. How can I do that in ...
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Strange behavior of GCP Load Balancer
I had a strange behavior with google global lb. On the one zone traffic evenly , but on other zone with same load traffic loads pods not evenly. Configs at zones are the same. Can it appears to gcp ...
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402
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502 bad gateway - aws application load balancer, ecs
I'm having a simple app that I've been experimenting with to learn aws. I first created a http version of a docker image pushed to ecr, ecs using it to create services, and tasks, application load ...
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Internet unstable, even with two WANs and a load balancer
I run a small business with 5 to 10 computers. We have two optic fiber links plugged into a TP-Link TL-ER605 load balancer. There are 4 Tenda MW6 Mesh routers spread across our place to distribute ...
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Get the client ip adress from servlet when tomcat is accessed via nginx-load balancer
I am using nginx as load balancer with a few tomcat servers as backends.
Web-clients are java-scripts which from the website post a request to the Load-balancer.
So the path is following:
client-xhttp-...
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Redirecting traffic from a server that is down to a static site
I have a digital ocean server that uses cloudflare for DNS. If for some reason my DO server goes down I want to redirect the traffic to a DO static site app. My first thought is to use a Load balancer....
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Can Load balancers do balancing of multiple requests received on the same TCP connection?
(Below is a hypothetical scenario and this question came to my mind when I found out about complexities of gRPC load balancing and how its not efficient due to long lived TCP connection)
Imagine there ...
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Kubernetes - NodePort with persistent connections
I am running a multi-node cluster of UDP game servers that need to be accessible to the player on a single domain name and port, i.e. example.com:19132. The game runs in a way that requires a series ...
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Any way to use multiple frontends for each port(443) for multiple domains, for Haproxy?
I have about 20+ domains to load balance using single haproxy. to differnt backend. i want all of them to route from haproxy but have isolation of each frontend too.
when i tried to use each domain ...
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Can't set up the GCP's external load balancer to work correctly with Terraform
Using Terraform, I want to build an infrastructure that consists of an external load balancer (LB) and a MIG with 3 VMs. Each VM within the MIG should run a server that listens on 80. Furthermore, I ...
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Redirect to url from load balancer without CORS error
I was wondering if any of you know how to achieve that a GCP load balancer redirect to an url with "CORS enabled". What do I mean by that?, well I have the following scenario:
One load ...
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Maximum QPS with Google Load Balancer
In GCP's documentation, Google claims to support up to 1million queries per second. My team, however, as part of a project, decided to put both the Regional HTTPS LB and Global HTTPS LB to test.
Here ...
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Load balance the Load balancer
I am looking to get load balancing for my load balancer.
We are looking to create a fully HA network.
All of our servers are redundant, the databases are redundant, but above them is a single server ...
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DHCP load balancing added to production and existing clients
I have to ask something I cannot find explained in e.g. https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/dn338976(v=ws.11) (refers to 2012R2, but that ...
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How to split the 2 IP addresses appended by google cloud load balancer
I am using apache as my webserver for drupal. Also, I am using google cloud CDN and my instance is behind a load balancer (requirement for google cloud CDN). The issue is that the load balancer ...
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persistence_timeout break the LB logic in Keepalived
In a DR mode load balancer configuration with ipvsadm + keepalived, persistence_timeout n value making unexpected issues. I have two real servers configured (web - port 80) for testing purpose.
When I ...
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Why is there no drop-down option for selecting auto-scaling group when creating a new TCP target group?
And bonus questions while I'm here:
Why does AWS not show which Elastic Network Interface is being used in the Load Balancer details? (at least I couldn't find it)
Why do auto-scaling groups let me ...
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ElasticBeansTalk Rebuild Environment issue
After rebuilding an existing environment, it's keep failing due to using none existing SSL Certificate for LoadBalancer, any idea how to update the configuration to use the new ARN of SSL, or to ...
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nginx rewrite for mobile site, except some extensions
We got an IIS server with two sites: www.example.com and m.example.com (for mobile). The www site has this code in the web.config to redirect to mobile site:
<rule name="ignore png" ...
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AWS Application Load Balancer not responding - Request timed out
I am trying to setup new AWS Application Load Balancer with EC2 instances. Followed all steps outlined in AWS website but ALB is not responding.
I did AWS Reachability Analyzer from ALB Network ...
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AWS Beanstalk - Website refreshing infinitely during scale up
I have a configuration in my Elastic Beanstalk where the maximum number of instances can be "3" and minimum is 1.
When the website is running with just one ec2 instance, it loads without any ...
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79
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nginx windows load balancing very slow for single request
I have been using nginx with load balancing for request forwarding purpose, each incoming request will be forwarded to ip/domain defined in upstream, below is my configuration :
worker_processes ...
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nginx forwading request to different url with load balancing
I am new to nginx, I am using it for request forwarding purpose, each incoming request is getting forwarded to another server/url below is my configuration :
http {
include mime....
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Configuring Nginx and Tomcat to Access HTTPS content
I'm using nginx as a load balancer and reverse proxy for Java spring boot + Angular application on tomcat.
I've total 3 servers, 1 has nginx and other two has application hosted on it.
I've configured ...
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How can you go about handling 100s of domains with SSL without having a file per domain?
Background
I currently run an ecommerce platform and at this moment in time when setting up a new domain the automated script runs. It starts by verifying the DNS records, generates an Nginx config ...
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Uneven cpu utilization linux dual socket server
Recently I noticed on two of our servers strange distribution of tasks.
Both servers are dual cpu EPYC 7402 physically the same platforms, running the same tasks, differ in numa configuration, kernel ...
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