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From Ryan King <>
Subject Re: Images store in Cassandra
Date Sat, 12 Dec 2009 23:08:09 GMT
On Sat, Dec 12, 2009 at 12:05 PM, Ran Tavory <> wrote:
> As we're designing our systems for a move from mysql to Cassandra we're
> considering moving our file storage to Cassandra as well. Is this wise?
> We're currently using mogilefs to store media items (images) of average size
> of 30Mb (400k images, and growing). Cassandra looks like a performance
> improvement over mogilefs (saves roundtrip, no sql in the middle) but I was
> wondering whether the fact that cassandra stores byte arrays should
> encourage us to store images in it. Is Cassandra a good fit?
> Has anyone had any similar experience or can send guidelines?
> To phrase the question in more general terms: What's cassandra's sweet spot
> in terms of Value size per column or total row size?

Large objects aren't feasible without some work:

In general, if it's not suitable for a RDBMS, its probably not
suitable for Cassandra.


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