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Comment by jamesaguilar | Hacker News Reader

Indeed. And the default settings reveal something about a system's priorities. If you care about your users' data, then Mongo's default settings should be a giant red flag. The revealed priority is seeming fast.

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In noSQL world, any DB's default settings should be a giant red flag. Don't get me started about HBase... I lost 2 hours of data this way. :(

That was actually one of the explicit design goals of Rethink -- pick defaults such that users never have to wonder about the safety of their data. I know the folks at Riak are also in this camp, so there are definitely NoSQL dbs that do this well.

I'm not sure Riak is a good example as it's another example of an extremely slow database.

There's also the angle that if it's to offer no performance benefit, perhaps a classic relational database will do it?

I'm curious to hear your thoughts about it.

As someone that uses hbase in production, I'd be interested in hearing the setting you are talking about.

Honestly, I've been very positively impressed with CouchDB so far.

How about "they should be an invitation to learn more about the system" :D? As far as I can tell, in many cases these defaults have almost never been reviewed by devs because most of the early users already knew what tweaks they needed.

I dunno. Personally I'm a big fan of the "sane default or no default" approach. I think that mongo's former approach is irresponsible engineering (I understand they have fixed it recently).

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