hehe yes.. the same happens to "me" :) 2010/12/23 Wolfgang Laun <wolfgang.l...@gmail.com>
> (OT: your nick "me" is confusing other gmail users. I see your mail as if I > had sent it to myself. I was almost binning it.) > > The delay you see may depend on the way you run the test with 40K events. > Please describe the sequence of insertions and calls to fire...(), the > session setup (pseudo-clock, etc.) > > -W > > > 2010/12/23 me <radai.rosenbl...@gmail.com> > >> Hi. >> >> im trying to demo drools-fusion for a system that processes backup events. >> >> i have the following 2 CEP rules: >> >> rule "Backup Not Succeeded For At Least 3 Days" >> @ruleId(1) >> when >> Node($id : id) >> not ( Backup(clientId == $id, $state: state == >> BackupStateEnum.FINISHED) over window:time( 3d ) from entry-point "Backup >> Stream" ) >> then >> //nothing for now >> end >> >> rule "Prune Previous Successful Backups" >> @ruleId(2) >> when >> $prevBackup : Backup($id : clientId, state == >> BackupStateEnum.FINISHED) from entry-point "Backup Stream" >> $newerBackup : Backup(clientId == $id, state == >> BackupStateEnum.FINISHED, this after $prevBackup) from entry-point "Backup >> Stream" >> then >> drools.retract($prevBackup); >> end >> >> rule #2 is my attempt to cut down on memory usage. the problem is that >> rule #2 slows down the processing very very considerably (2 orders of >> magnitude slower when simulating batches of 40K events/day). >> >> what would be my next step in trying to find the reason for it? my >> intuition tells me that with 2 events in the system at any given time >> instead of 120K (single node, 40K events/day 3 day window) i should have >> seen either a speedup or reduced memory consumption (if not both) and yet >> the results im seeing are the exact opposite. >> is there anything im missing ? i could try adding some sort of >> LastSuccessfulBackup "marker" object into main memory and updating it using >> events from the backup stream, but then how would i express rule #1 ? >> >> any help/clues/suggestions would be greatly appreciated, >> >> radai. >> >> _______________________________________________ >> rules-users mailing list >> rules-users@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > -- - CTO @ http://www.plugtree.com - MyJourney @ http://salaboy.wordpress.com - Co-Founder @ http://www.jbug.com.ar - Salatino "Salaboy" Mauricio -
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