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.

learn more… | top users | synonyms (2)

0
votes
0answers
50 views

HAProxy by Subdomain and HAProxy by Subdomain + URI

I've found several posts on this site and other stack sites and among others and Binging and Googling, however, none of them really seem to work for me. Little bit about what I do: I build websites. ...
2
votes
3answers
127 views

How to make HAProxy wait for successful health check before bringing server out of maintenance mode

I am using HAProxy socket communication to put my backend into maintenance mode before bringing the web server down for maintenance via this command: echo "disable server cluster-01/app-01-4" | sudo ...
0
votes
0answers
14 views

Is there a way to ensure affinity and exclusivity for hosts in an nginx load balance group

Is there a way to ensure that in a group of three servers, only exactly one will take traffic at any time? I see that there's a "backup" directive: http://nginx.org/en/docs/http/...
0
votes
1answer
14 views

Wanting Cifs / Samba to restamp times with server-time for “mv” commands

Short background I have built a small cluster of linux machines and been creating and running scripts for distributed computing. After having gotten some basic things up and running now I'm tuning ...
0
votes
0answers
55 views

setting up ssl on amazon ec2 linux instance

I have been struggling to setup ssl on my amazon ec2 server from 2 days. I have gone to aws docs for setting it up. I have generated private key and csr and got ssl certificate from www.ssl.com. I ...
1
vote
1answer
106 views

haproxy - Route Request and keep same base URL

I'm new to haproxy and I'm struggling a little bit trying to configure it. What I want: Type in the browser: proxy.company.com/Test/App Have haproxy balance the request between webapp01.company....
-2
votes
1answer
29 views

Load balancer requirements [closed]

I have got two dedicated servers with apache installed as their webserver. How can I implement load balancing on my servers in a way that if a a server is out of service or has a problem the other one ...
0
votes
1answer
55 views

Can I use PowerDNS as a HTTP Load Balancer?

I would like to serve multiple web applications and make them available via domain names inside of a test network. Therefore I would like to to use PowerDNS because it seems to have a good API. The ...
0
votes
0answers
129 views

Nginx-rtmp-module How edge nodes pull streams from multi Master nodes

I have one master ingest server and multiple edge nodes that each pull from the ingest server. But now i have 10000 cameras push streams to master ingest server , i m afraid it can't handle it. So i ...
0
votes
0answers
30 views

MS SQL - HA & load balancing best solution for servers at different geo-location

Customers has App server (MS Server 2012) and Storage server (MS SQL 2012), with several hundred clients accessing server app via VPN. Now they want to have a high-availability and also load ...
0
votes
1answer
46 views

HAProxy load balancing issue

I have the following configurations for load balancing a precona cluster. haproxy.cfg global log 127.0.0.1 local1 notice maxconn 4096 user haproxy group haproxy ...
0
votes
0answers
41 views

HP Proliant and Cisco 3560G LACP - Up Sngl-port-Bndl Mstr Not-in-Bndl

I have to connect two GigaEthernet ports to get 2Gbps. I´m trying to connect a switch 3560G to a HPProliant DL 380G6 to give 2Gbps to the server through the switch. I use LACP in switch in this way: ...
0
votes
0answers
82 views

keepalived + nginx failover not working

I have 2 servers under Centos 7.1. Both are configured with keepalived (one MASTER / one SLAVE) and Nginx as proxy reverse and load balancing. Everything works great except the Nginx shutdown ...
0
votes
1answer
142 views

NGINX error when using external PHP-FPM

I am currently trying to setup an 3 servers, 1 for nginx and 2 for php-fpm. the nginx server also have php-fpm since i tested if everything works well. while using upstream php-external{ server ...
-1
votes
1answer
24 views

How does Apache Load balancing work if DNS Caching is involved?

Assuming the simple scenario of an Intranet with lot of users, there will be a DNS Server which translates IP address for the end user system. Now you also have a yourapp.intranet that is deployed ...
0
votes
0answers
27 views

Load balancing server affinity to specific destination

I need organize load balancing for following application. I have instances of service A and service B running on one application server 1 and copy of these services running on app server 2. Services B ...
1
vote
1answer
36 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 ...
0
votes
2answers
36 views

NGINX: using multiple node as load balancer

I have application deployed on tomcat server on machine A,B,C,D I want to load balance using the Nginx using two load balancer nodes LB1 & LB2. All documents talks about using single node as ...
1
vote
1answer
315 views

Marathon containers load balanced with Haproxy and consul return random 503 requests

Currenty the architecture is organised like this: 192.168.1.10, 192.168.1.11, 192.168.1.12 - mesos master with marathon and consul server 192.168.1.21, 192.168.1.22, 192.168.1.23 - three mesos ...
2
votes
3answers
207 views

SSL Certificate on Load balancer or server

I have a load balancer distributing traffic between two servers, the public facing urls are all https prefixed. I want to generate a wildcard ssl certificate but I am not sure if is better to place ...
0
votes
2answers
131 views

How to replicate files between two separate apache machines in bidirectional

How to replicate /var/www/html/ between two separate machines which has separate hard disk storage running Apache web servers. I was planning to setup load balancing between these two Apache servers ...
0
votes
1answer
68 views

Keepalived - Keep VIP after stop in both nodes

There's any way to keep the last VIP configuration in the case of a daemon stop in all the nodes of Keepalived? Thanks in advance.
3
votes
3answers
95 views

Is HAProxy still necessary when Varnish can act as a load balancer?

I would like to load-balance my application servers, as well as cache the responses from them. I've read an article dating back to 2012 on HAProxy's website, that was supposed to clear the confusion ...
0
votes
1answer
77 views

HAProxy not recognizing host headers?

I have been trying to configure HAProxy to send traffic to different backend servers based on hostnames. I tried using the directions found in How to divert traffic based on hostname using HAProxy? ...
0
votes
0answers
58 views

HAProxy http_req_rate limit doesn't kick in

I'm trying to setup a rate limit on my HAProxy frontend, to prevent more than X requests to be sent to the backend in a specific time frame. As an example I want to limit to 1 request every 10 ...
0
votes
0answers
44 views

NGINX load balance via client subnet

I have 3 frontends with web application in different subnets. I want to use nginx as load balancer, but I want balance clients via client subnet. For example: frontend1 - 1.1.1.10 frontend2 - 1.2....
0
votes
0answers
120 views

Load balancer F5 and sticky session

I have installed a web application on a clustered environment where the load is balanced by an F5 device. Unfortunately I do not know exactly its model, but hopefully this information is not necessary ...
1
vote
1answer
45 views

google load balancing external ip

I am trying to setup Google Compute Load Balancer to HTTP content route between my Google Compute Machines and my appEngine application, depending on the URL. I can get everything setup but it ...
0
votes
2answers
85 views

How to use multiple ip addresses on one subdomain?

I have multiple FTP servers, which users can connect and upload files. Because I always add more servers and sometimes the servers get full, I want to have a subdomain ftp.mysite.com, that will point ...
0
votes
0answers
39 views

Understanding AWS ELB, multiple ELB per subnet or one ELB per subnet?

So I'm trying to setup a production site and I'm new to the devops world. I have a setup that consists of four components: 1) Node.js API Server 2) Memcached Elasticache cluster 3) Postgresql RDS 4) ...
-1
votes
2answers
280 views

Must I bind haproxy to port 22 to load balance ssh/sftp

I need to use haproxy to load-balance SFTP connections but currently i cannot bind it to port 22 (cutomer constraint). Can i bind to port xxx and listen on port 22 to achieve this or must I bind to 22?...
0
votes
1answer
137 views

Load balancing between two (or more) GRE tunnels

I have a hosted service (think zScaler™) that is having me send my traffic to it via GRE tunnels. I am given two appliances and want to load balance my traffic between the two tunnels. I could ...
0
votes
0answers
45 views

Using MX records for load balancing on *outgoing* email: bad practice?

I operate a Rails application (a Discourse forum) that needs to send out email. My sysadmin told me I shouldn't use a specific outgoing mailserver, but rather specify my domain and have my app lookup ...
0
votes
0answers
96 views

pfSense Load Balancing sticky connection timeout

In pfSense 2 under Settings > Advanced > Miscellaneous there is an option to enable sticky connections for the Load Balancing. If you enable the use of sticky connections you can define the source ...
0
votes
1answer
255 views

HTTPS streaming and dynamic load balancer using Wowza and AWS

We are using Wowza instances to perform live streaming on AWS infrastructure. We have a script that monitors load balancer and launches/kills instances when required based on the number of connections/...
1
vote
0answers
110 views

Gitlab Images not found with nginx proxy (load balancer)

I have the following nginx config: server { listen 80 default_server; listen [::]:80 default_server ipv6only=on; root /usr/share/nginx/html; index index.php index.html index.htm; ...
3
votes
0answers
174 views

How to Reduce Failover Interval in HAProxy?

I have setup HAProxy and it is working fine. I observed that when one of the node goes down HAProxy detects that immediately, but switch-over / redirect existing traffic to the rest of working nodes ...
0
votes
0answers
18 views

Cannot establish a connection to a virtual IP from the same host

I have a load balancer using LVS on my Ubuntu machine that has a virtual IP. Now I want to connect to this virtual IP from the same Ubuntu machine, but the connection establishment fails (the real ...
0
votes
1answer
86 views

How to Retain Proxy URL for all request using Apache load balancer

I am trying to serve the requests to my Site through Proxy machine using Load balancer. When i try to access the Site by hitting http://PROXYSERVER.com, the HomePage comes up fine retaining the ...
0
votes
1answer
54 views

internal error server point to working server using load balancer or nginx

Lets say that I have 3 physical servers with different IPs and 1 load balancer which manages the traffic between those 3 servers. We tested to stop the service of nginx in the 2 servers and the load ...
0
votes
0answers
15 views

mysql and webservers loadbalancing [duplicate]

I have 2 webservers and 3 mysql servers and 2 loadbalancing ip from ovh ، one for loadbalance webservers and other for mysql servers . how can I connect webservers and mysql servers together? what ...
7
votes
1answer
819 views

How to load balance sftp instances on AWS

I like to know is it possible to load balance sftp servers in AWS. I have 2 servers, and each of my servers are using s3fs-fuse to mount the same S3 bucket onto a mount point. Both of my ec2 ...
7
votes
1answer
257 views

For SSL bridging, do HTTPS backends verify that the load balancer is using the same private key? If so, how?

We are using the F5 to perform load balancing. When using SSL bridging instead of termination, we generally use a wildcard on the front-end and a regular SSL cert on the HTTPS backend. However, there'...
0
votes
1answer
66 views

Neo4j HA scale out scenario

Is it possible or even feasible to start Neo4j HA with one master and add slave in high traffic time with some sort of load balancing? From Neo4j Doc : Neo4j HA requires a quorum in order to ...
-1
votes
1answer
37 views

One big server or multiple small? [duplicate]

I run an ad network with about 10 million visits per month. It is very likely that this rate will increase to 50 million in the next 6 months. What is the best way wo scale hardware? Currently I am ...
2
votes
1answer
190 views

How to add Azure Internal load balancer (ILB) for an existing VMs

Hoping someone can point me to the right direction. I'm not having much luck with the setup. Here is the scenario and relevant (well, what I think is relevant but please ask if you need more) setup ...
0
votes
1answer
27 views

Load-balance via netfilter

In iptables I can mark some packets(one of four, ie) in preroute and redirect after only marked packets. Is way to load-balance traffic via netfilter tables?
10
votes
3answers
285 views

MX priority server behaviour

This is a question about MX procotol priority. If I have two server as MX with different priority: MX 10 serverA MX 20 serverB Is this guarantee by the protocol that the MX 10 is the prefered? Can ...
0
votes
2answers
28 views

Web server set up for load balancing and forwarding

We are working on a networked service, where all the functionality of our software is exposed via an in-house web-server. The company's clients connect to it via a browser, does their tasks, log out, ...
1
vote
1answer
58 views

Possible Operating System for Linux-experienced admins when configuring a MikroTik RouterBoard RB951Ui-2HnD as balance-loader

I have just bought a MikroTik RouterBoard RB951Ui-2HnD router and would like to try it as balance-loader, if that is possible. Until now I have just used some desktop computers with Zentyal running ...