How to configure MongoDB to store sessions accross server

[Khapare Joshi]

I am just a newbiew with Mongodb. We have been using memcache for long time to store user session. since we have a for application server i.e www but we only use one server to store users session (memcache).

I would like to use mongodb to store session in multiple server, in my case I have six web server and would like to store session accross these server. In other word, share / replicate users session accross the server. How Can I configure this with mongodb ?

K Joshi

[Kevin Adistambha]

Hi Joshi,

Could you elaborate on a few things:

• What is the goal of sharing the user sessions across 6 web servers; i.e., are you planning to give each web server a “local cache” of currently active sessions?
• Are the 6 web servers located in geographically different site?
• What is the expected read/write load of the user session database (e.g. read-heavy but light writes, equal read & write loads, or much more writes compared to reads)?
• Are you planning to run the mongod process in each of the machine, i.e. will mongod and the application code run together within a single machine?

Best regards,
Kevin

[Tim Hawkins]

What technology are you using to build your sites, for example there are several session store plug-ins for zend_framework  on php, ruby on rails and I belive for django on python.

Check out this Google search for many examples

https://www.google.com.ph/search?q=mongodb+session+store&oq=mongodb+session+store&aqs=chrome..69i57j0l3.4787j0j4&client=tablet-android-samsung&sourceid=chrome-mobile&ie=UTF-8

For those that ask, there reason for having shared session stores between multiple webserver is to support  random  request assignment between servers,  ie using a session Id in the url or a cookie, you can effectively shift sessions on the fly between machines. It's a common best practice for load distribution.

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