[rules-users] Drools Performance and Maintanability

[Michael Anstis]

In response to a couple if your questions:-

1) Guvnor uses an optimistic lock at the asset (e.g. decision table) level.
We do not provide for merging as you describe.

3) Guvnor uses Apache Jackrabbit for persistence. Jackrabbit can be
configured to use a database however the schema Jackrabbit uses is not
specialised for Drools and hence querying as you might like is next to
impossible.

One of the core Drools engine developers, or community, may be able to
advise re: #3.

With kind regards,

Mike

sent on the move

On 23 Apr 2012 07:34, "dollanitri" <dollanitri at gmail.com> wrote:

> Hello,
>
> Recently i started playing out with Drools Guvnor GUI and created couple of
> rules based on DecisionTable
> GUI Editor and also ruleflows in eclipse.
>
> Then integrated Drools with Java Custom Web Application and tried out
> executing rules on front end by changing rules on the drools guvnor at run
> time. All seems to be working fine as per expected.
>
> But i have couple questions would like to ask related to performance and
> maintainability of the drools.
>
> Questions:
>
> 1) does drools guvnor provides any option to make revisions for the
> decision
> tables ?
> (Eg. If more than single developer working on the same decisiontable and
> making modifications to it then
> it should allow to merge all the changes into main one.....)
>
> 2) how to measure performance of the drools to make it work and available
> for the large rule datasets?
>
> 3) There are options to store data in a different formats like repository
> (default one), Oracle, mysql.....etc
> which one is better if i want to make my data backup very easily and import
> it back whenever i need ?
>
> 4) is it drools is good one to replace with Yasu?
>
>
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