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From Aditya Narayan <>
Subject Re: Store profile pics of users in Cassandra or file system ?
Date Fri, 11 Nov 2011 19:06:36 GMT
just forgot to add the paper link if this is useful at all : To BLOB or Not
To BLOB: Large Object Storage in a Database or a

On Sat, Nov 12, 2011 at 12:34 AM, Aditya Narayan <> wrote:

> Would it be recommended to store the profile pics of users on an
> application in Cassandra ? Or file system would be a better way to go. I
> came across an interesting paper which advocates storing in DB for blobs
> sized up to 1 MB. I was planning to store the image bytes in the same row
> that contained other information of the user. So that all the related data
> of a user could retrieved at once. But I realized that since Cassandra
> would replicate this data multiple times which will make this storage
> expensive. This would lead me to either using separate CF with RF=1 which
> will remove the encouraging factor of keeping all the user related data at
> hte same place.
> So what would be a good strategy to store the profile pics of users ? (The
> image size would be around 70*70px).
> What are the pros and cons in terms of performance, storage space
> requirements etc ?

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