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In MongoDB db.stats() slow, should I be worried to execute?

+1 vote
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I want to list the size of the different database and trying the function:

db.stats()

But, my developer team is worried over that this might have a huge impact of the system. Should I be worried?

How does this function detect the statistic information such as the size of the different databases. Or is it a better way to detect the size of the database that I can use, which has little or no performance impact ..

posted Feb 28, 2017 by anonymous

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I have tried this will no ill-effects. I would imagine it reads pre-calculated stats rather than generating them on demand.

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+2 votes

From Mongodb client, we can use db.Collection.stats() to get status of collections, such as:

+ Number of records (count) 
+ Size on disk (storageSize) 
+ Indexes (indexSizes) 
+ Average object size (avgObjSize) 

Now I want to monitor these data from web backend with Mongodb java driver, please let me know how to get them?
I've referred: http://mongodb.github.io/mongo-java-driver/3.0/driver-async/getting-started/quick-tour-admin/ but it's not enough information for me. Any pointer?

0 votes

We all know that mongoDB provide different type of indexing (ascending, descending, geo2D, geo2d sphere, or text), so which type of indexing considered more efficient for indexing boolean field?

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