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There is no out of the box way to improve that, beyond just
partitioning your rulebases yourself.<br>
<br>
If you would like to get involved in R&D we can do lazy network
building and try pushing unused parts of the rule network to disk.<br>
<br>
Mark<br>
On 26/04/2011 12:05, Shebs, Liron wrote:
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<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Hello All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">I’m working at HP
Software R&D and we are considering using drools in our
product.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Benchmarking tests
showed that running 10,000 rules consumes 382mb. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">This is too high for
our system requirements, and we would like to know how we
can improve it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Technical details:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -0.25in;"><!--[if !supportLists]--><span
style="font-family: "Comic Sans MS"; color:
rgb(153, 51, 255);"><span style="">-<span style="font: 7pt
"Times New Roman";"> </span></span></span><!--[endif]--><span
dir="LTR"></span><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Drools version: 5.1
with default configuration. <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -0.25in;"><!--[if !supportLists]--><span
style="font-family: "Comic Sans MS"; color:
rgb(153, 51, 255);"><span style="">-<span style="font: 7pt
"Times New Roman";"> </span></span></span><!--[endif]--><span
dir="LTR"></span><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">All rules look like
this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
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"status-Fixed-Open"<o:p></o:p></span></p>
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style="font-family: "Comic Sans MS"; color:
rgb(153, 51, 255);"> event :
FieldChangedEvent(fieldName == "status", oldValue ==
"Fixed");<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 37.5pt;"><span
style="font-family: "Comic Sans MS"; color:
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eval(((String)
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then <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 75pt;"><span
style="font-family: "Comic Sans MS"; color:
rgb(153, 51, 255);"> do Something…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">end <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent: -0.25in;"><!--[if !supportLists]--><span
style="font-family: "Comic Sans MS"; color:
rgb(153, 51, 255);"><span style="">-<span style="font: 7pt
"Times New Roman";"> </span></span></span><!--[endif]--><span
dir="LTR"></span><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Loading code:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">KnowledgeBuilder
knowledgeBuilder =
KnowledgeBuilderFactory.newKnowledgeBuilder();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">for(all resources)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">{<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 37.5pt; text-indent:
34.5pt;"><span style="font-family: "Comic Sans MS";
color: rgb(153, 51, 255);">knowledgeBuilder.add(resource,
ResourceType.DRL);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
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KnowledgeBaseFactory.newKnowledgeBase();<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Any insights are most
appreciated.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Thank You,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);">Liron, HP Software
R&D<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family: "Comic Sans
MS"; color: rgb(153, 51, 255);"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size: 11pt;
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<p class="MsoNormal"><o:p> </o:p></p>
</div>
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