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Can someone with more MongoDB experience give me your thoughts on the upgrade difficulty here? Worth doing soon, or waiting for a point release? Does this require a data rebuild/update process (coming from 2.4)?


Upgrade notes are here: http://docs.mongodb.org/master/release-notes/2.6-upgrade/

"the upgrade from MongoDB 2.4 to 2.6 is a binary-compatible drop-in upgrade: shut down the mongod instances and replace them with mongod instances running 2.6."


IMO unless you desperately need one of the new features I would hold off a few weeks. With a release this big I'd expect there will be some bugs and wouldn't be surprised to see 2.6.1 shortly.


This is always best practice for anything important unless you find your life is dull and bereft of emergency.


In the case of Mongo, it's the opposite - the upgrades are needed badly enough that it's worth the risk of a major number release.


an old one, but the circumstances arise so often (app updates) and the consequences so severe (shark attack!) that it's probably worth posting:

https://xkcd.com/349/


Authentication is the main thing to be aware of (no data rebuild), but full notes here:

http://docs.mongodb.org/master/release-notes/2.6-upgrade/

And, you have to be on 2.4 first (I know you said you are, but best to make sure for others)




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