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From Sebastian Schelter <>
Subject Re: MySQLJDBCDataModel vs FileDataModel
Date Mon, 04 Jul 2011 17:23:21 GMT
A look into a recent blogpost of mine might maybe be helpful with
choosing the appropriate data access strategies for your recommender
setup. It covers a very common usecase in great detail:


2011/7/4 Mark <>:
> I wouldn't use the in memory JDBC solution.
> I was wondering do most people choose the JDBC backed solutions or the File
> backed?
> On 7/4/11 10:17 AM, Sean Owen wrote:
>> Yes. Both are just fine to use in production. For speed and avoiding abuse
>> of the database, I'd load into memory and tell it to periodically reload.
>> But that too is a bit of a choice between how often you want to consume
>> new
>> data and how much work you want to do to recompute new values.
>> On Mon, Jul 4, 2011 at 6:13 PM, Mark<>  wrote:
>>> Ahh ok. So if I want everything in memory like the file backed solution I
>>> should use ReloadFromJDBCDataModel? I'm going to give that a try right
>>> now.
>>> Typically which solution is recommended for production use?
>>> Thanks

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