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From Tim Robertson <timrobertson...@gmail.com>
Subject Re: Architecture
Date Wed, 13 Oct 2010 13:09:33 GMT
This sounds like you should be looking to HBase.  HBase is a data
store that builds on top of Hadoop to meet those kind of real time
storage and retrieval requirements.


On Wed, Oct 13, 2010 at 2:57 PM, Andre Reiter <a.reiter@web.de> wrote:
> Hello everybody,
> i'm evaluating hadoop for a new platform.
> the application is a web based application, and the challange is to handle
> requests up to 1.000.000 times per second. this can actually be solved by
> load ballanced webservers.
> The problem now is to persist user data at real time. Let's say every
> request appends some data to the user record, i.e. 100 bytes are appended.
> The record would have an identifier placed in the cookie.
> The problem now is to look up the user record for every request at runtime.
> Is it possible to get the user record with the information about all former
> requests in a short time i.e. 50 ms ???
> i hove no experience with hadoop yet
> every help would be very appreciated
> thanks in advance
> best regards
> andre

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