<p>In response to a couple if your questions:-</p>
<p>1) Guvnor uses an optimistic lock at the asset (e.g. decision table) level. We do not provide for merging as you describe.</p>
<p>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.</p>
<p>One of the core Drools engine developers, or community, may be able to advise re: #3.</p>
<p>With kind regards,</p>
<p>Mike</p>
<p>sent on the move</p>
<p>On 23 Apr 2012 07:34, "dollanitri" <<a href="mailto:dollanitri@gmail.com">dollanitri@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello,<br>
<br>
Recently i started playing out with Drools Guvnor GUI and created couple of<br>
rules based on DecisionTable<br>
GUI Editor and also ruleflows in eclipse.<br>
<br>
Then integrated Drools with Java Custom Web Application and tried out<br>
executing rules on front end by changing rules on the drools guvnor at run<br>
time. All seems to be working fine as per expected.<br>
<br>
But i have couple questions would like to ask related to performance and<br>
maintainability of the drools.<br>
<br>
Questions:<br>
<br>
1) does drools guvnor provides any option to make revisions for the decision<br>
tables ?<br>
(Eg. If more than single developer working on the same decisiontable and<br>
making modifications to it then<br>
it should allow to merge all the changes into main one.....)<br>
<br>
2) how to measure performance of the drools to make it work and available<br>
for the large rule datasets?<br>
<br>
3) There are options to store data in a different formats like repository<br>
(default one), Oracle, mysql.....etc<br>
which one is better if i want to make my data backup very easily and import<br>
it back whenever i need ?<br>
<br>
4) is it drools is good one to replace with Yasu?<br>
<br>
<br>
--<br>
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</blockquote></p>