Tagged Questions

0
votes
1answer
50 views

Where should I configure the Director IP when using LVS NAT load balancing?

The subject is quite self explanatory, I have a load balancer running LVS ldirectord, and the follwoing configuration: # ipvsadm -Ln IP Virtual Server version 1.2.1 (size=4096) Prot ...
3
votes
2answers
95 views

Load balancer explanation

I'm trying to figure out how exactly the load balancing of sites like facebook/youtube works, but I have few questions. So after alot reading I figured out that loadbalancing looks like this: When ...
2
votes
1answer
60 views

2 identical servers, one slower (higher load) than the other

I have a 3 servers setup, one frontend HAproxy sending requests to 2 backend servers. The backend servers use identical hardware and also identical software (Debian 6.0.6). They are similarly ...
0
votes
0answers
142 views

High Load average in Linux kernel 2.6.26 even cpu time is available?

I have 2 machine. both the machine I have kernal 2.6.26. Both machines are getting more then 300 load averages even cpu idle time is 80%-90%. In the wa column also very less. The followings are top ...
1
vote
0answers
158 views

Squid on windows loadbalancing only to one server

After thousands of googles and trying days i cant get the load balancer/failover in squid on windows to work. Iam using squid 2.7. My webservers are 2 single NIC lighttpd and one dual nic lighttpd. ...
0
votes
0answers
75 views

Load balance using every second request using elastic load balancer on EC2

I might be trying to solve my problem the wrong way here; but we have a backend service that run calculations for about 15 seconds on 100% cpu usage. The idea was to have two EC2 instances fronted by ...
0
votes
2answers
112 views

load balancer topology [duplicate]

Possible Duplicate: Can you help me with my capacity planning? I am setting up a Load balancer with two backend webservers and one backend mysql server. Is it a good idea to have dedicated ...
0
votes
2answers
41 views

Load balancing between windows 2003 standard (4GB) and enterprise 64GB

Does anyone know if its possible to windows load balance between windows 2003 standard (4GB) and enterprise 64GB? Its for a web farm running iis
0
votes
1answer
108 views

Quickly Routing Web Traffic From 1 Web Server to Another

We need a solution to route web traffic from 1 web server to another. We have 2 dedicated Windows 2008 Servers with our hosting company. 1st server is our main web server and the 2nd is a back-up ...
1
vote
2answers
186 views

Network Load Balancing Windows server 2008

I have a questions about load balancing configurations. Maybe someone already asked this question but I didn't find something similar on the web. The Actual Configuration is . I Have two servers ...
0
votes
2answers
56 views

I have two Virtual Dedicated Server, one is with Godaddy and another is with Media temple

Is it possible to setup load balancing between these servers, So that the same domain can be hosted in two different servers.
0
votes
1answer
164 views

Using cisco router as HTTP load balancer

I know this question is quite unusual, router doesn't design to do load balancing, but Is it possible to use cisco router as a simple HTTP Load balancer ? by creating nat pool and using ip nat ...
1
vote
3answers
150 views

Load balancing - Multiple servers, different locations

I've been scaling out a service very rapidly, and have found a problem in the way I've been balancing the load. My servers do not need a perfectly even distribution, so I was simply using a round ...
0
votes
1answer
406 views

HAProxy Multiple Domains

We currently have a HAProxy set up that splits the load over two backend servers and it reads/sets a cookie accordingly so you stay on the same server throughout the process. However, we now have a ...
1
vote
2answers
344 views

load balancing using dhcpd

i'm just wondering if it's possible. i don't want to hear about other solutions, since i know them. I just want to know if ISC dhcpd (or any other open source dhcp server) implement it. Imagine that ...
1
vote
1answer
278 views

How do I make Amazon EC2's load balancer round-robin?

When a user comes to my site, I want him to hit one server during his browsing period. I don't want him to jump from server to server as he pages through my site. I want his "session" to be kept to ...
2
votes
3answers
160 views

Internet load balancing

I have 2 internet lines from 2 different ISPs. 1 ISP needs to use manual proxy configuration and the other do not need ( no proxy ). I need to combine these two lines ( load balance or failover ...
3
votes
1answer
1k views

haproxy httpchk multiple check on backend

is it possible to check two conditions on one backend? example backend web-static option httpchk GET /path/alive.php HTTP/1.1\r\nHost:\ www1.domain.com option httpchk GET ...
0
votes
1answer
3k views

Haproxy ACL for balance on URL request

I'm usung Ubuntu with haproxy 1.4.13 version. Its load balancing two subdomains: app1.domain.com app2.domain.com now i want to be able to use ACL to send based on url request to the right ...
8
votes
4answers
2k views

Load Balancing a UDP server

I have a udp server, it is a central part in my business process. in order to handle the loads I'm expecting in the production environment I'll probably need 2 or 3 instances of the server. The server ...
0
votes
1answer
73 views

Load Sharing Regarding Large Websites

I have a question regarding Load Sharing for large websites. My Understanding: So if you have a website that has millions of fits a day you will need to have an architecture that can support this ...
0
votes
2answers
615 views

Debian, 2 NICs load-balancing or agregating with one same gateway

I have one server, with double NICs connected to one switch with the same gateway. Behind the switch we have internet. |Debian| -> eth0 -> switch -> internet -> eth1 -> same I don't understand how ...
1
vote
2answers
214 views

Layer 4 Load balancing - TCP Handshake

I am newbie to load balancing concepts. This is regarding a Layer 4 Load Balancer. I would like to know if the packets intercepted at IP layer by the Load Balancer would read the TCP header ...
1
vote
2answers
191 views

Geographic web+pgsql load balancing

My goal is (don't know if this is possible, that's why I'm asking): have two separate geographic locations. At each location, a web server and a postgres database run. The application is the same at ...
3
votes
2answers
2k views

Load Balancing long running TCP connections

I'm trying to research the best way to load balance long running TCP connections for the following scenario: We have multiple servers behind a redundant set of firewalls and clients establish long ...
0
votes
3answers
155 views

load balancer for web page

Which load balancer is the best for fail over server. If first server is down then ip is changed to second one. If first goes back ip for domain is changed back to first server. For WIN os, or some ...
1
vote
1answer
110 views

What does Citrix's definition of Load Bias mean?

I'm having trouble understanding the definition. It can be found here. Small section: The Load Bias also called the Protocol Mask, is retained in the memory resident database referred to as the ...
1
vote
1answer
465 views

Uneven load with Microsoft Network Load Balancing (Server 2003)

I am a network administrator at a small company that uses Network Load Balancing (NLB) to cluster our terminal servers together. Recently, we changed our network setup due to PCI-DSS compliance. ...
1
vote
1answer
550 views

Can I use only 2 servers for nginx load balancing?

If I have only 2 servers, can I make each as a backend and also front end? Server 1: master load balancer / backend server1 Server 2: slave load balancer / backend server2 is it possible?
0
votes
2answers
664 views

Load Balancing two Apache Tomcat WebServices

I am using two apache tomcat servers on two windows 7 machines and want to load balance the requests for those servers through a load balancer. I am not that experienced in building up such networks ...
2
votes
2answers
144 views

How can I best offload part of a domain's URIs from one server to another?

Sorry, I am very new to this whole concept. Basically, I have a Django site. One of the view does a lot of work and leads to the server hanging up due to lack of memory. I want to take the ...
0
votes
1answer
170 views

load balancing with two servers

I would like to configure two servers to achieve load balancing (maybe using mod_proxy_balancer). The problem is not the number of requests, but the load associated with each request (which I want to ...
2
votes
1answer
593 views

What method of MySQL mirroring should I use for this?

I'm running an web application hosting service (basically hosting forums for free), and I have two remote servers at my disposal. The code for the application is stored on both servers and isn't a ...
1
vote
1answer
1k views

Configuration of Sonicwall Load Balancing

We installed a Sonicwall NSA 240 appliance and have configured it up for our SSL VPN connection and for load balancing with 2 ADSL lines. Over the past week, I have been testing the load balancing ...
2
votes
1answer
229 views

DNS servers and load balancing

I'm wondering if a simple DNS server could offer, even a limited amount, of load balancing capability. I have a couple of servers and I've been told that multiple IPAddresses can be associated with ...
0
votes
3answers
720 views

Good idea to use NLB for DNS servers?

Is it a good idea to use NLB to load balance DNS requests to primary and secondary dns servers on port 53?
2
votes
1answer
597 views

Nginx load balancing policy

Is the Nginx's load balancing policy customizable in any way? Having two sites A and B I want 20% of all the requests to go to A and the rest to B. Is that possible/feasible? Is there a better ...
0
votes
4answers
160 views

Windows Server 2003 - Handling hundreds of simultaneous downloads

At the moment I have a single server with 4 1TB hard disks, daily I haver over 150 MP3 music files uploaded (around 80mb each). At busy periods there is over 300 people streaming / downloading these ...
1
vote
4answers
235 views

software load balancer

I have two dedicated servers each running identical app, they don't need to share states/database, what's a recommended http load balancer? Edit: thanks for the answers below. Apache http server ...
1
vote
4answers
953 views

Active directory failover

I have a Windows Server 2003 SP2 server which is runnig as Active directory for my testlab.com forrest. I observed that "netlogon"service is frequently stopping automatically as it results unable to ...