Re:A Year of MongoDB
by marcosdumay on Friday May 10, 2013 @10:05PM
(#5689464)
You denormalize SOME joins.
On nearly all of the cases, they are very usefull, but once in a while one of them gets too slow, so you make a bit more of work enforcing the consistence by hand, accepts a bit more of risk, and denormalize it.
Throwing all of them away because a few may create problems later is a bit of an over reaction.
Re:A Year of MongoDB
by jshen on Saturday May 11, 2013 @12:15AM
(#5689695)
How many joins do you think this page uses? A denormalized version that doesn't scale probably uses 25-50. I'll bet the scalable implementation uses close to zero.
On nearly all of the cases, they are very usefull, but once in a while one of them gets too slow, so you make a bit more of work enforcing the consistence by hand, accepts a bit more of risk, and denormalize it.
Throwing all of them away because a few may create problems later is a bit of an over reaction.