Last-Modified date for collection

[pzol]

Is it somehow possible to get the date when a collection was modified
for the last time without running any queries?
I have a web page built from data from mongo and would like to be able
to respond that the content has not changed.

[Eliot Horowitz]

No - we don't store any meta data like that right now.
The only generic option would be to query local.oplog.$main for mods
to a given collection.

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[pzol]

Ok, thanks for the reply

[Ronak Agrawal]

Is MongoDB storing this info now ?

[Asya Kamsky]

No.

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[s.molinari]

I don't get it. If Mongo would store it, it would have to be retrieved in a query anyway, right? So the original question sort of confuses me.

Scott