Webserver Load Balancer
Mar 8, 2008
traffic has been surging lately and is expected to continue surging. i am already on the fastest chipset my webhost has.
current configuration
single server (centos), webserver (apache), single filesystem. many dynamic pages (perl script) but no mysql database. no php.
ideal configuration
multiple webservers (apache), single file system.
assuming my scripts do not write to the filesystem (read only), what do i need to install or do in order to send a request for www.domain.com to server1.domain.com or server2.domain.com or server3.domain.com according to the load of each? it should look the same at the front end. anyone know what i need to get?
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Feb 23, 2008
Im currently looking around for a Load Balancer within the budget of about £2,500
Anyone have any suggestions?
Will that budget get me one that will do the job or would I be wasting my money and should maybe save up some more cash?
Setup:
2x Web Servers
1x DB Server
1x Storage / Media Servers
*Expanding to 3/4x Web Servers, 2x DB Servers, 2x Storage / Media Servers*
I have been looking at:
F5 BIG IP D25 Load Balancer
[url]
and
F5 BIG IP D30 Load Balancer
[url]
But im unsure on what the difference between these are? as I cant seem to find there specs and what they can / cant do..
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Apr 20, 2007
Anyone know of a good load balancer for Linux that is able to not only distribute load evenly amongst many servers, but one that's able to allocate servers based on the resource?
For instance:
I want www.mysite.com/dogs to be load-balanced between servers A, B, and C.
I want www.mysite.com/cats to be load-balanced between servers X, Y, and C.
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Dec 11, 2007
Is there any such solution available?
Something with a failover load balancer that you can assign a static IP address to and it'll sit in front of a number of lowend virtual private servers.
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Sep 5, 2007
I have two servers that I run in Los Angeles (used to host gaming servers for a small community I run) for personal use that seem to be a little jumpy with server performance.
Would a load balancer help with this situation?
And for the n00b question, what exactly is a load balancer.
Very new to hosting servers, so I appreciate a gentle response
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Apr 15, 2008
I wish to build a load balancer on a linux box that will load balance http/https/smtp/pop3 and ftp
what technologies i need to look at?
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May 4, 2008
I'm using Virtuozzo on two server.
1) Can I do this with only ONE Load Balancer?
I wish I could have many "LB", like one for the WWW serveur, an other one for the DB serveur, my "personnal" VPS without LB...
i.e. :
WWW -> SRV1 SRV2
DB1 -> DB1 DB2
EXCESSNET -> EXCESSNET1
Do I need 3 LB to do this or I can do it with only one? The screenshot of Barracuda LB seem to show many "virtual LB", so I guest it's a yes?
2) So... it's service only?
On the Barracuda and some page, they are talking about "service" and not "server" LB. Can I LB a whole serveur ? Like all service from an IP xxx.xxx.xxx.234 to a server ? Or I can only do "HTTP -> SRV1" "DNS -> SRV1"? If no, what happen to service that the LB didn't know (like cPanel)?
3) An Internal Network? what About cPanel?
According to my search, LB are working like this:
EXTERNAL IP of SERVICE (xxx.xxx.xxx.200) -> INTERNAL IP SERVER 1(10.0.0.25), INTERNAL IP SERVER 2 (10.0.0.26)
So, I need to configure the server with an Internal IP cause else, it will conflit on the "local network". The probleme is, cPanel will be using the "Internal IP" to make all of his configuration... so if a user add a new website, he will configure it with 10.0.0.25, this won't since the external IP will be xxx.xxx.xxx.200 and Apache won't anwser to this virtual host. What can I do?
Can I do this ? (same internal IP as the external?)
EXTERNAL IP (70.234.125.123) -> SERVER 1 INTERNAL IP (70.234.125.123), SERVER 2 INTERNAL IP (10.0.0.26)
If yes, I will configure the second serveur without cPanel and only sync the configuration and files. So in case of "crash" of the server 1, cPanel won't be working, but website won't be down...
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May 9, 2008
We are planning for a clustering archirecture for our mail servers,The basic idea is put all of mailservers behind a load balancer which will monitor and distribute the n/w load as server load and forward the requests accordingly can u suggest any good hardware loadbalancer which could give us 'server load balancing' as well as n/w load balacing.
I would also like to know if it is a good idea to go for a software load balancer(like linux heartbeat) or to h/w load balancer.
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Mar 27, 2008
if it is possible to hide the Barracuda Load Balancer signature in headers ?
If you check here : [url]
or do a telnet 80 to that same FQDN and send "HEAD / HTTP/1.0" + "RETURN" you will be able to see in the headers the server signature (BarracudaHTTP 1.00).
Is there any way to hide this?
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May 23, 2007
I'm trying to find a solution but without any result so far,
This is the story:
We have too server in Israel, in one server we have:
Win 2003 STR that use for IIS (IBM RAID 5)
And in the second we have:
Win 2003 STR + SQL SERVER 2005 workgroup.
After 1 year running in Israel we like to go out to the world with our products.
This is what I think we need to do but we still don't figure how to that:
1. Still use the same server in Israel.
2. Buy more server outside Israel, Lets say UK and set a Load Balancer between the server in UK to Israel (both IIS and SQL).
3. In the Load balancer we like to set that if the user come from europe you will go to the server in UK and if he come from Israel you go the server there.
4. If one of the server we be go down all the the users will sends to the server outside there country.
5. In the future we like to add more server in the world on the same setting.
What do you say? how can I do something like that?
What company are dealing stuff like that?
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Feb 22, 2008
Anyone know of a hardware load balancer that can load balance my apache and mysql using one device? I mean right now I can use the ultra monkey for the load balancer the cluster mysql. But I want to go hardware.
I was thinking of F5 BIGIP? will that work? anyone know Please give me some choices..
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May 30, 2013
I have a setup where Apache connects to a F5 load balancer which in turn balances between two jboss app servers.
Apache using mod_proxy -> F5 (hardware load balancer) -> 2 jboss application server
It uses jsessionid. I sometimes get 500 errors for the post methods. I think the request goes to the incorrect jboss server because of the F5 load balancer. Everything works just right when I shutdown one of the jboss app servers.
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Jul 17, 2008
I am thinking of using a Load Balancer + serveral VPSs solution.
Is there any good recommendation ? It would be great if the hosting company can provide the load banlancer for free.
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Mar 5, 2013
I am using single Apache HTTP Server (2.2.23) as a Load Balancer with two IBM Websphere application server nodes (other machines). I have deployed the simple text based helloWorld application and it works fine with load balancer. But When I deploy the real application that contains images,css file , java script file. It loads the page without images and show me simple text and gives me the following Exception on error_logs and similar kind of exceptions
[error] [client 192.217.71.77] File does not exist: /usr/local/apache2/htdocs/application, referer: http://192.168.141.17/application/faces/test.jsp
Interestingly, when I access the application without load balancer, it also works fine.
Here are the load balancer settings
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Mar 30, 2008
I have a forum that is growing fast ( using 1 webserver and 1 mysql server now), and i am planing to add one more web server to load balance.
What options do i have?
Which one is best for Forum vbulletin load balance?
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May 1, 2014
On a webserver (apache, mysql, php), which values comes to your mind can have bigges impact on a website load time?
we talking about webserver which host like 100 websites, mostly a classic wordpress blog.
I have keep alive turned on. Now i want to do some test playing with various values of apache, php...
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Aug 7, 2007
A little bit excited as the Barracuda is coming soon...
We have 1 forum server, and it's being access internally by all the classrooms, students, teachers, etc. How should I approach this setup? The current hostname for the forum machine is forum... how should I setup the cluster? forum2?
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Oct 15, 2014
I have a short question concerning Mod Balancer and Stickiness:
At the moment I am achieving stickiness with a cookie.
Header add Set-Cookie "ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/" env=BALANCER_ROUTE_CHANGED
However, I am getting complaints by users which do not allow coockies in their browser settings that my page does not work properly.
Is there any way to achieve Stickiness with out cookies (e.g. add the information to the URL or something like that)?
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Apr 23, 2015
I'm using mod_proxy_balancer in Apache 2.2.29 with OpenSSL on Windows to distribute HTTPS requests to two other back end servers, both of which are also Apache 2.2.29 with OpenSSL on Windows.
DumpIO shows that the requests are being decrypted on the balancer, and then sent unencrypted to the two workers. I would like to have the requests pass through the balancer without decrypting there, and let the two back end worker servers do the decryption. Is that possible? If so, how?
When I tried simply disabling SSL on the balancer, the requests fail, with nothing logged at all.
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Nov 4, 2009
I am looking for some decent tools to test a web server that can run large scale web sites running Windows and Linux.
I am more interested in the underlying hardware at this point to see if the servers them selves are capable of withstanding the loads without choking.
I am most interested in Disk testing and Network testing but the server but of course the server as a whole is important to since cpu and memory bottle neck can affect everything.
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Mar 27, 2009
Due to heavy load, our web server get crashed. We have plan to use LiteSpeed web server, is anybody used these server. I like to know performance of these.
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Apr 17, 2008
I am having trouble finding any providers that provide Opensuse on their configs. So far, the only one seems to be 1&1 and I certainly do not want to be going near them anytime soon.
Does anyone know of a reputable company that can provide Opensuse based servers?
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Apr 15, 2008
Is it possible for forwarding ports for simultaneous use of web servers on the same LAN behind router?
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Jun 17, 2008
I had configured webserver on one of my CentOS server. It worked fine for few months but after sometimes it started giving problem. I was not able to browse website. The I found that it was timing out so I increased timeout period from php and the website started working.
But still the website is taking 30-35 seconds to load. I checked the server but I couldn't find any solution. Please guide me to get this resolved.
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Oct 27, 2008
We have 2003 Server here at work, im thinking about getting something to play around with at home, but don't want to upgrade to 2003 Server?
Is there going to be any issue with me running it on an XP Pro Server?
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Nov 20, 2007
I have a server that hosts only 2 accounts, and the accounts are very active so we want to presume the best situation for it.
So what if we use [url] instead of apache?
what is it's differences with apache?
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Dec 6, 2008
i would like to use Litespeed webserver from my server.i installed and run Litespeed from my server. but i dont know how to config. when i start the Litespeed webserver i have an error to please install Zend. Please help me to install zend and if you know whats my need for install please help me to done.
I use cPanel - Dedicated Server
i can control the Litespeed from the cPanel WHM.
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May 19, 2009
I have an Ubuntu server and have installed AMP. The server is behind a router (2wire).
I have a static IP address which i use for the webserver. I have enabled the router firewall to allow all the typical webserver ports. When I am on the network (in the vicinity of the network) i am able to connect wirelessly to the server via ssh and also access the domains via my web browser.
But when i connect to the net via another router I am unable to gain ssh access or access the websites from a browser.
When i initiate a connection with putty all i get is a black screen and when i connect to the website i get
Quote:
The operation timed out when attempting to contact www.globalexpatservices.com.
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Aug 24, 2009
I had to rebuild out web/ftp box so I built a new one. Now how do I transfer all the ftp users to the new system without change of their passwords?
I am able to trasnfer their directories and i added a line to the /etc/passwd of the new server but it fails.
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May 1, 2009
I only know a little bit about ports and web-servers, I'm going to try to attempt to setup a home webserver with Ubuntu, I am curious would I need to point ports 80 and 21 (http and ssh) to my machines internal IP address, also what is a proxy and how do I know if i'm using one.
I'm following this tutorial here:
[url]
and i'm using Comcast ISP
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Nov 27, 2008
Due to our bad connectivity in our actual French hosting provider (OVH), we need to search for alternatives.
Please post opinions about other hosting companies that can give same configurations at a reasonable price, if possible with related experience with them.
Actually -from 1 year ago- we have the following configuration at OVH:
1xDBServer: Intel Q6600, 1x250GB, 8GB DDR2, 100Mbps (not real on a daily constant), Wind2K3 STD. : 130eur. + vat
1xWebServer: Intel Core2, 1x160GB, 1GB DDR2, 100Mbps (not real on a daily constant), Win2K3 WEB Ed. : 49eur. + vat
All days we have traffic problems, with low real bandwith connection, also with poor pings to/from Spain (where most percentatge of our users come).
We need to find a hosting provider with a same or a litle best configuration with the follow requisits:
-100Mbps per server [If possible, 100Mbps dedicated (non shared, without aggregation ratio)], UNMETTERED.
-IMPORTANT: Good bandwith connectivity
-Preferable Datacenter hosted in Europe
-WebServer same config, but 2GB DDR (also can be an AMD), if possible with W2K8 WebEd.
-DatabaseServer same config. preferable with 16GB DDR, also preferable -optional- with 2x or 3xSAS 15K. (RAID 1 or Raid 5)
-Possible upgrades (specially beacuse OVH is the first to launch a server with Intel 25GB SSL drives that are superfaster (look at ovh.fr for model HG2009). Any other has support or previsions to serve SSL Drives?)
-If possible, with X days break of contract agreement (money back guaranteed)
We can pay some more at a month, but on the first months we can't pay more than around 500$/Euros.
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