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Questions tagged [load-balance]

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Apache mod proxy load balancer fail over conditional

I have a configuration similar to this one: <VirtualHost *:80> <Proxy balancer://X_Balancer> BalancerMember http://server1.sth/ BalancerMember http://server2.sth/ BalancerMember ...
0
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1answer
24 views

Nginx loadbalancing, Is there a way to do this?

I want to use a test server for administrators. Is there a way to assign an access from the client of ip(123.0.0.1) to the server of ip(123.0.0.2)? upstream target-server { server [123.0.0.3] ; ...
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2answers
27 views

Apache loadbalance multiple DNS with custom params to slave servers

Well, I have setup an LB with apache2, behind it, there a project (ZF2 PHP), that is an Ecommerce. I intend to have many DNS's from clients, and all of them pointing to my LB, and dispatching this ...
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1answer
45 views

Nginx look in directory if not exists pass to upstream backend

We are using nginx as load balancer between two webserver Is it possible to have nginx look if a requested file exists in a specific local directory (some minified css/js files, some images) and if ...
5
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1answer
836 views

How does a typical http(s) load balancer work?

I know that there are some situations that we encounter heavy http(s) load on a server and we should use a load balancer to distribute load among several back-end servers. But I've a confusion here! ...
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0answers
236 views

Google Cloud Engine - LoadBalancer ICMP host unreachable - admin prohibited filter

We are hosting an project on Google Cloud Engine. With an TCP-LoadBalancer before the cluster and the Nodes. Since an week we got the problem that customers are reporting the Error: "Connection Lost ...
1
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1answer
194 views

Configuring HAProxy to route traffic based on url_param

I am very new to HAProxy. I spent a few hours trying to figure out how to do it but could not get any leads. My requirement is this: If end point of request is /special then I need to check URL_PARAM....
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2answers
3k views

How to setup failover with rabbitmq cluster with a loadbalancer like f5

I have been trying to find information on f5 developer central and internet regarding the following setup with no luck. We want to have a rabbitmq cluster with 3 nodes. 1 node will always be primary/...
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1answer
67 views

AZURE Internal Load Balancer: response same VM in CS

I have two Windows VMs on which run two identical services. Service1 on port 80 and service2 on port 8080. These two VMs are in the same cloud service. I configured an internal load balancer between ...
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1answer
105 views

Best load balance hardware [closed]

I have to buy a load balance to manage two adsl lines (ADSL 2), on a company with a huge number of users. This device will have at least 3 wan port (for a new future adsl line), and gigabit lan. ...
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1answer
206 views

How to add a second DSL Connection to my network

We have vdsl 50 internet connection that fails from time to time. Therefore we planned to order a second line that is completly different e.g. cable modem based. What is the best way to integrate ...
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3answers
11k views

How to make redundant load balancers?

I understand that the purpose of load balancers is to balance load between your servers and keep track of instance health, etc. But what if load balancer itself fails? How do you set up redundant load ...
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1answer
1k views

Keepalived: NAT VIP for internal network unused?

I'm building a proof-of-concept loadbalancer with CentOS 7 and keepalived. I took Red Hat's load balancer administration guide as a reference and implemented a NAT'ed loadbalancer with 2 nodes which ...
3
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2answers
6k views

VIP not dropping from backup keepalived

I may not be understanding how this is supposed to work, but I can't figure out why the BACKUP system with this basic vrrp_instance is transitioning to master right away and never seems to honor the ...
0
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1answer
282 views

How to migrate production environment from EC2-Classic to VPC?

I need to migrate production environment from EC2-Classic to VPC. For now I have one Elastic LB with a few EC2 instances behind it. My plan is: create a new LB balancer and add VPC instance create 2 ...
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1answer
4k views

Install Piranha on Centos 7

I have tried install Piranha on Centos 7, but yum install piranha ipvsadm -y Not found the package. Is necessary modify repos or other command?
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1answer
1k views

iptables configuration on Windows Azure (CentOS 6.5) for endpoint load-balanced set

I created 2 VMs (CentOS6.5) on Windows Azure for Postgresql database and HA cluster, everything works fine except when I set iptables service on, the endpoint load-balanced set is down. for security ...
1
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1answer
1k views

Nginx drops connections

I'm having a setup where I use the linode nodebalancer (loadbalancer) for my nginx/php5-fpm servers. This balancer passive checks. These passive checks, check the status code of requests. If there are ...
2
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2answers
312 views

Load balancer for multiple sites

I am in the process of setting up a network of web servers on Rackspace. I am looking to do 4 servers in groups of two. See diagram below. My question is, if I have server A and server B as a ...
0
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1answer
538 views

Connecting to Cassandra Cluster

I'm just getting started with Cassandra and had a few questions. I'm going to be deploying a 4 node cluster on AWS as per the DataStax documentation (http://www.datastax.com/docs/datastax_enterprise3....
4
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1answer
4k views

What is the best way to load balance multiple sock5 proxys on seperate VM's in the same datacenter?

I am currently trying to figure out the best way to load balance multiple sock 5 proxy servers for my new project. I was looking into programs like HA proxy, but it seems to only load balance HTTP ...
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2answers
12k views

Apache & Tomcat Load balancing via Mod_jk issue

I hope this finds you all in the best of your health and spirits. I have an issue with a new setup where I currently have 1 APACHE 2.2.15 & Tomcat 6.0.14 on RHEL. Mod_JK version 1.2.30. Ill add ...
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1answer
905 views

Nginx Upstream - Notification That Primary Servers Are Down

I am hoping someone can give me some help, as I am pretty new to Nginx. Thanks in advance. Premise: I have a load balancing server (nginx upstream) in a test environment, load balancing between two ...
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2answers
446 views

HAProxy live injection

I would ask you if HAProxy load balancer can be live injectioned (reconfigured without restarting the balancer) without losing connections.
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3answers
1k views

how to configure apache with mod_cache and mod_proxybalance for massive virtual hosting

I have a farm of IIS servers which provides something akin to domain parking sites, with thousands of domains assigned to the system, and content generated dynamically. I need a load balancing and ...
2
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3answers
807 views

load balancing two web servers each on two different isp's?

I have two ISP's that provide me hosting via apache / php / mysql. I am running drupal on them. On occasion the mysql server will go away (crash), so I was hoping to find a reasonable way to have ...