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From aaron morton <aa...@thelastpickle.com>
Subject Re: Implemeting a LRU in Cassandra
Date Thu, 10 Feb 2011 08:54:09 GMT
FWIW and depending on the size of data, I would use consider using sorted sets in redis http://redis.io/commands#sorted_set
Where the member is the page url and the weight is time stamp, use ZRANGE to get back the
top 1,000 entries in the set. 

Would that work for you? 

Aaron

On 9 Feb 2011, at 23:58, Utku Can Top├žu wrote:

> Hi All,
> 
> I'm sure people here have tried to solve similar questions.
> Say I'm tracking pages, I want to access the least recently used 1000 unique pages (i.e.
columnnames). How can I achieve this?
> 
> Using a row with say, ttl=60 seconds would solve the problem of accessing the least recently
used unique pages in the last minute.
> 
> Thanks for any comments and helps.
> 
> Regards,
> Utku


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