<a href="https://github.com/droolsjbpm/drools/commit/40721a87a7794af697223bb76d8d16823d0beeec">https://github.com/droolsjbpm/drools/commit/40721a87a7794af697223bb76d8d16823d0beeec</a><br><br><div class="gmail_quote">On 19 June 2012 10:49, Wolfgang Laun <span dir="ltr"><<a href="mailto:wolfgang.laun@gmail.com" target="_blank">wolfgang.laun@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On 19/06/2012, Michael Anstis <<a href="mailto:michael.anstis@gmail.com">michael.anstis@gmail.com</a>> wrote:<br>
> Agreed.<br>
><br>
> I'll add something.<br>
><br>
<br>
</div>Nice, thank you.<br>
<div class="im"><br>
> I've raised a JIRA to capture a need to shift to a different Excel library<br>
> too: <a href="https://issues.jboss.org/browse/JBRULES-3549" target="_blank">https://issues.jboss.org/browse/JBRULES-3549</a><br>
><br>
<br>
</div>The times for (de)serialization indicate that it isn'n just Excel that<br>
doesn't. But big is big...<br>
<span class="HOEnZb"><font color="#888888"><br>
-W<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
<br>
> With kind regards,<br>
><br>
> Mike<br>
><br>
> On 19 June 2012 10:18, Wolfgang Laun <<a href="mailto:wolfgang.laun@gmail.com">wolfgang.laun@gmail.com</a>> wrote:<br>
><br>
>> A recent post on the users list has led me to investigate DTs with<br>
>> O(10000) rows. While the sample XLS with 26,400 rows and 6 condition<br>
>> and 1 action columns was still manageable, a (my) system may exhibit<br>
>> severe memory problems when the number of rows is increased.<br>
>><br>
>> Test indicate that ~25,000 rows is just about manageable if you don't<br>
>> need lightning startup for your application - serialization doesn't<br>
>> help here.<br>
>><br>
>> It would appear that Drools users are (not intentionally) led to<br>
>> believe that Drools' performance is immune against the usual<br>
>> detriments that arise from "large numbers".<br>
>><br>
>> I think that Section 2.4., Decision Tables in Spreadsheets, should<br>
>> contain a warning.<br>
>><br>
>> -W<br>
>> _______________________________________________<br>
>> rules-dev mailing list<br>
>> <a href="mailto:rules-dev@lists.jboss.org">rules-dev@lists.jboss.org</a><br>
>> <a href="https://lists.jboss.org/mailman/listinfo/rules-dev" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-dev</a><br>
>><br>
><br>
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</div></div></blockquote></div><br>