<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Unfortunately the server I was using locked up last night and I cannot get access. I'll have to find an interim system where I can run tests and profile the heap. In the meantime, I switched to a Sequential Stateless Session. I don't know the internals of Drools, but since this seems to turn off the left input propagation, does that mean the JoinLeftNode is not used?</div><div><br></div><div>I am running 5.4 .0 on Linux. If I see the same issues with a stateless approach, I will try the 5.5 approach.</div><div><br></div><div>Thanks again,</div><div>Julian<br><br>On Feb 17, 2013, at 6:19 PM, Mark Proctor <<a href="mailto:mproctor@codehaus.org">mproctor@codehaus.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1">You'll need to help us a bit here, by creating a test of some sort. "I have 100 rules with 1B JoinLeftNode" doesn't give us much to go on.<div><br></div><div>The problem mentioned earlier was related to windows, which I don't think you are using - or you'd have said so.</div><div><br></div><div>Also can you tell us what version you are using? Could you maybe try the 5..5.x branch which has a lot of fixes in it (you'll need to build it with maven):</div><div><a href="https://github.com/droolsjbpm/drools/tree/5.5.x">https://github.com/droolsjbpm/drools/tree/5.5.x</a></div><div><br></div><div>mark<br><div><div>On 17 Feb 2013, at 18:27, Julian Klein <<a href="mailto:julianklein@gmail.com">julianklein@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Thanks again. I have tried Sequential mode, but somehow my Java based class that I use for function calls no longer receives them. Perhaps there is an error occurring before the call to my class in the "then" section of the rule that is not presenting itself in my logs. Either that or I don't understand sequential mode's limitations well enough. I'll try it one more time and report back on that as well.</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Feb 17, 2013 at 1:17 PM, 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 17/02/2013, Julian Klein <<a href="mailto:julianklein@gmail.com">julianklein@gmail.com</a>> wrote:<br>
</div><div class="im">> Ok, I witnessed this with JProfiler. I will try with jmap to make sure and<br>
> report back later today or tomorrow. Is it safe then to assume that<br>
> discarding (dispose) the session between laps is better from a throughput<br>
> perspective than re-using it?<br>
<br>
</div>If you need to start each session with a clean slate: yes, dispose is<br>
preferable.<br>
<div class="im"><br>
> Also, would using a Stateless Session<br>
> "perform" better from either a memory or CPU perspective?<br>
<br>
</div>Only if you can run it in "sequential mode" - see Expert, 3.3.7.1.<br>
Sequential Mode<br>
<br>
-W<br>
<br>
><br>
> Thanks again!<br>
<div class="HOEnZb"><div class="h5">><br>
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