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<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Laun,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>See below.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Abe<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span style='font-size:10.0pt'>发件人<span lang=EN-US>:</span></span></b><span
lang=EN-US style='font-size:10.0pt'> rules-users-bounces@lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] </span><b><span style='font-size:
10.0pt'>代表 </span></b><span lang=EN-US style='font-size:10.0pt'>Wolfgang Laun<br>
</span><b><span style='font-size:10.0pt'>发送时间<span lang=EN-US>:</span></span></b><span
lang=EN-US style='font-size:10.0pt'> 2012</span><span style='font-size:10.0pt'>年<span
lang=EN-US>1</span>月<span lang=EN-US>8</span>日<span lang=EN-US> 23:59<br>
</span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> Rules Users List<br>
</span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Re: [rules-users] </span>答复<span
lang=EN-US>: </span>答复<span lang=EN-US>: Concurrent rule fire<o:p></o:p></span></span></p>
</div>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>The question of how to handle program
failures is not a Drools issue.<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span lang=EN-US>Processing transaction data with a RBS
isn't much differenf. A<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span lang=EN-US>simple analysis must anszwer questions such
as<o:p></o:p></span></p>
</div>
<div>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><span lang=EN-US>Is processing of one transaction
in any way dependent on the processing of previous transactions?<o:p></o:p></span></li>
</ul>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>//No. I can get correct result when I re-load and re-process the
transaction.<o:p></o:p></span></p>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><span lang=EN-US>Is it necessary to conserve the
results of one transactions in Working Memory?<o:p></o:p></span></li>
</ul>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>//no. we have all transactions’ status recorded in DB when start
matching.<o:p></o:p></span></p>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><span lang=EN-US>For a restart: How can you
establish check points?<o:p></o:p></span></li>
</ul>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>//check points are set to the beginning when system receives
transactions.<o:p></o:p></span></p>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><span lang=EN-US>Is it necessary to execute all
transactions in one huge bunch?<o:p></o:p></span></li>
</ul>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>//not necessary. We have transaction partition set already. Different
regions will go to different instances/ sessions.<o:p></o:p></span></p>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo1'><span lang=EN-US>If one transaction fails, can
you recover and continue? How can you deal with the failed transaction later
on?<o:p></o:p></span></li>
</ul>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>//I will just load the received transaction and re-process it.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>In short - questions that have been asked
since the invention of data processing ;-) But an answer requires - as always -
detailed information. <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>// I agree with your
comments. I guess I misled people here by saying DR… what I really want to know
is just if Drools will prevent firing the same rules against the same working
memory concurrently…<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
</div>
<div>
<p class=MsoNormal><span lang=EN-US>-W<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span lang=EN-US>2012/1/8 Zhuo Li <<a
href="mailto:milanello1998@gmail.com">milanello1998@gmail.com</a>><o:p></o:p></span></p>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>That is my question actually. Say if I have one rule which is
scheduled to run twice a day, what about if the first schedule failed and got
restarted, but when the first job is still running, the second job’s schedule
time arrives. Will the second schedule wait for first to finish?</span><span
lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Best</span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Abe</span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt'>发件人<span lang=EN-US>:</span></span></b><span
lang=EN-US style='font-size:10.0pt'> <a
href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>
[mailto:<a href="mailto:rules-users-bounces@lists.jboss.org" target="_blank">rules-users-bounces@lists.jboss.org</a>]
</span><b><span style='font-size:10.0pt'>代表 </span></b><span lang=EN-US
style='font-size:10.0pt'>Nicolas H</span><span style='font-size:10.0pt'>é<span
lang=EN-US>ron<br>
</span><b>发送时间<span lang=EN-US>:</span></b><span lang=EN-US> 2012</span>年<span
lang=EN-US>1</span>月<span lang=EN-US>8</span>日<span lang=EN-US> 23:08<br>
</span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> Rules Users List</span></span><span
lang=EN-US><o:p></o:p></span></p>
<div>
<p class=MsoNormal><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Re:
[rules-users] </span>答复<span lang=EN-US>: Concurrent rule fire<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span
lang=EN-US>Hi,<o:p></o:p></span></p>
<div>
<div>
<p class=MsoNormal><span lang=EN-US><br>
You can use more than one drools session ?<br>
Regards<br>
Nicolas H</span>é<span lang=EN-US>ron<o:p></o:p></span></p>
</div>
</div>
<div>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>2012/1/8 Zhuo Li <<a href="mailto:milanello1998@gmail.com"
target="_blank">milanello1998@gmail.com</a>><o:p></o:p></span></p>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='color:#1F497D'>Any comments?</span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US style='color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt'>发件人<span lang=EN-US>:</span></span></b><span
lang=EN-US style='font-size:10.0pt'> Zhuo Li [mailto:<a
href="mailto:milanello1998@gmail.com" target="_blank">milanello1998@gmail.com</a>]
<br>
</span><b><span style='font-size:10.0pt'>发送时间<span lang=EN-US>:</span></span></b><span
lang=EN-US style='font-size:10.0pt'> 2012</span><span style='font-size:10.0pt'>年<span
lang=EN-US>1</span>月<span lang=EN-US>8</span>日<span lang=EN-US> 0:35<br>
</span><b>收件人<span lang=EN-US>:</span></b><span lang=EN-US> 'Rules Users List'<br>
</span><b>主题<span lang=EN-US>:</span></b><span lang=EN-US> Concurrent rule fire</span></span><span
lang=EN-US><o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>Hi, folks,<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>My project will handle about 1.5 M transactions per hour using
Drools and the rules</span>’<span lang=EN-US> fire are scheduled based on
business operation cycle which might happen a few times a day. Say if I need to
fire the same rule set twice at 10:00 PM and midnight. What will happen if the
first execution has not completed till midnight? Will the 2<sup>nd</sup>
execution be held up till the 1<sup>st</sup> is completed? I would assume there
might still be transactions inserted into working memory between 10:00 PM and
midnight although it is very few.<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>My understanding is Drools will enforce only one active thread is
working for the same </span>“<span lang=EN-US>then</span>”<span lang=EN-US>
section for data consistency. Any thoughts?<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>Best<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US>Abe<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span
lang=EN-US><br>
_______________________________________________<br>
rules-users mailing list<br>
<a href="mailto:rules-users@lists.jboss.org" target="_blank">rules-users@lists.jboss.org</a><br>
<a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><o:p></o:p></span></p>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
lang=EN-US> <o:p></o:p></span></p>
</div>
</div>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br>
_______________________________________________<br>
rules-users mailing list<br>
<a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><br>
<a href="https://lists.jboss.org/mailman/listinfo/rules-users" target="_blank">https://lists.jboss.org/mailman/listinfo/rules-users</a><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
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