On 16 Jan 2014, at 10:09, adarsh.cha...@hsbcib.com wrote: > Mark, > > Thanks for your reply. This is a different discussion than the topic, which is about perm gen leaks. Please start new threads, for new topics. http://www.jboss.org/drools/lists "Anti-patterns to be ignored or attract abuse from others: 12. Reply to an existing thread but starting a new topic" > > We have been testing against 5.5.0.Final and we faced some problems . > One of the problem was that we had a quick fix to mvel component from redhat > guys (with their good will ) If you are a paying customer, best to use the customer portal. Questions are tracked under SLA, and help shape product updates. > to one of the critical concurrency issues we faced .But it seems that fix is > not part of these community releases and there has been changes to mvel > after that change. > > Is there a way that we can make the same permgen fix to the 5.4.0.Final > codebase?. we don’t do maintenance releases in community, i.e. no 5.4.1. > Or > Is this possible to get the concurrency fix these newer versions?. The fix will be in the next product patch release, check with the customer portal for details.
Mark > > > Thanks and regards, > > Adarsh CHAINI > SENIOR LEAD DEVELOPMENT SPECIALIST | HSBC Bank Plc > 8 Canada Square, London E14 5HQ, UK > _______________________________________________ > > Phone Int: (0)79914720 Ext: +44 (0)20 79914720 > Mobile +44(0)7595530105 > Email adarsh.cha...@hsbcib.com > > > _______________________________________________ > Protect our environment - please only print this if you have to! > > > > > From: Mark Proctor <mproc...@codehaus.org> > To: Rules Users List <rules-users@lists.jboss.org> > Date: 15/01/2014 21:05 > Subject: Re: [rules-users] permgen leak > Sent by: rules-users-boun...@lists.jboss.org > > > > > why not just update to 5.6, it’s fixed there. > http://downloads.jboss.org/drools/release/5.6.0.Final/ > > You can specify dialect at the top of the drl file, to be applied to all > rules in that file. But that’s about it. > > Mark > On 15 Jan 2014, at 20:51, adarsh.cha...@hsbcib.com wrote: > > Is this possible to set everything to MVEL Dialect as we are using > JavaDialect in all our rules. > We had this few times before and we managed to avoid it with usage of > CMSClassUnlaoadingEnabled . > But this has again comeback recently because the rate at which the classes > are produced with load,CMS is unable to collect the permgen space at same > rate so it trips > > Thanks and regards, > > Adarsh CHAINI > SENIOR LEAD DEVELOPMENT SPECIALIST | HSBC Bank Plc > 8 Canada Square, London E14 5HQ, UK > _______________________________________________ > > Phone Int: (0)79914720 Ext: +44 (0)20 79914720 > Mobile +44(0)7595530105 > Email adarsh.cha...@hsbcib.com > > > > _______________________________________________ > Protect our environment - please only print this if you have to! > > > > > From: Mark Proctor <mproc...@codehaus.org> > To: Rules Users List <rules-users@lists.jboss.org> > Date: 15/01/2014 18:27 > Subject: Re: [rules-users] permgen leak > Sent by: rules-users-boun...@lists.jboss.org > > > > > > You can try setting everything to the MVEL dialect, and also forcing MVEL to > reflection via the system property (turning off jit) > http://mvel.codehaus.org/Disabling+the+JIT+Compiler > > Mark > On 15 Jan 2014, at 18:23, adarsh.cha...@hsbcib.com wrote: > > Hi Mark/Davide > > Is there a work around to this problem in 5.4?. > > > Thanks and regards, > > Adarsh CHAINI > SENIOR LEAD DEVELOPMENT SPECIALIST | HSBC Bank Plc > 8 Canada Square, London E14 5HQ, UK > _______________________________________________ > > Phone Int: (0)79914720 Ext: +44 (0)20 79914720 > Mobile +44(0)7595530105 > Email adarsh.cha...@hsbcib.com > > > > > _______________________________________________ > Protect our environment - please only print this if you have to! > > > > > From: Mark Proctor <mproc...@codehaus.org> > To: Rules Users List <rules-users@lists.jboss.org> > Date: 08/01/2014 04:46 > Subject: Re: [rules-users] permgen leak > Sent by: rules-users-boun...@lists.jboss.org > > > > > > > For anyone interested. The commit involves addressing two needs. > 1) Enforcing MVEL reflection mode throughout - MVEL ASM optimiser can NEVER > be used for anything (it doesn’t add much value anyway). > 2) Avoiding giving the template system the root class loader(which we use for > dynamic stuff), as those templates are statically cached. > https://github.com/sotty/drools/commit/1b75d4785861e72338cc5ea1280610a7937be017 > > Mark > On 8 Jan 2014, at 00:53, Mark Proctor <mproc...@codehaus.org> wrote: > > > The root of the perm gen leak has now be solved, thanks to some heroic > > work by community developer Davide Sottara. > > > > This is just in time for the 5.6 release going out this week. You will not > > need to use the kbase.dispose() work around. > > > > Mark > > On 6 Jan 2014, at 20:50, Mark Proctor <mproc...@codehaus.org> wrote: > > > >> The 5.6 approach should be considered a work around, not a fix. Somewhere > >> a ref is being held, that shouldn’t be - we just haven’t found it yet. > >> > >> Mark > >> > >> On 6 Jan 2014, at 19:17, Davide Sottara <dso...@gmail.com> wrote: > >> > >>> I have run pmander's tests, and reported in a previous email. > >>> The leak in 5.x is due to the nature of the composite classloader, and > >>> dispose() > >>> forces the memory to be released. I don't remember if that fix was in > >>> 5.6.CR1 > >>> (probably not), so you may have to try 5.6.0-SNAPSHOT or wait for the > >>> end of the week. > >>> 6.x does not suffer from the same problem, but has a different issue - > >>> no way > >>> to unload kie modules once they are cached - which Mario has been > >>> working on. > >>> In either case, pmander's test works fine in both 5.6.x and 6.x after > >>> these fixes > >>> Davide > >>> > >>> On 01/06/2014 07:56 PM, Mark Proctor wrote: > >>>> I’ve been told 5.6 will be released this week. This is because the > >>>> JCR2GIT migration tool, in 5.6 is needed for our 6.0 product. > >>>> > >>>> Davide's current kbase.dispose() method, on the concrete class, should > >>>> just be considered a work around for the problem. Unless this is fixed > >>>> by someone in the community, I don’t think any core developers will have > >>>> time to address this. At least not for 5.x; we’ll continue to look into > >>>> it for 6.x. > >>>> > >>>> Mark > >>>> > >>>> > >>>> On 6 Jan 2014, at 16:14, brachi <brach...@sapiens.com> wrote: > >>>> > >>>>> see previous messages, pmander attached a unit test > >>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> View this message in context: > >>>>> http://drools.46999.n3.nabble.com/permgen-leak-tp4027038p4027539.html > >>>>> Sent from the Drools: User forum mailing list archive at Nabble.com. > >>>>> _______________________________________________ > >>>>> 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 > >>>> > >>> > >>> _______________________________________________ > >>> 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 > > > > > ************************************************************ > HSBC Bank plc may be solicited in the course of its placement efforts for a > new issue, by investment clients of the firm for whom the Bank as a firm > already provides other services. 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This represents a > potential conflict of interest. HSBC Bank plc has internal arrangements > designed to ensure that the firm would give unbiased and full advice to the > corporate finance client about the valuation and pricing of the offering as > well as internal systems, controls and procedures to identify and manage > conflicts of interest. > > HSBC Bank plc > Registered Office: 8 Canada Square, London E14 5HQ, United Kingdom > Registered in England - Number 14259 > Authorised by the Prudential Regulation Authority and regulated by the > Financial Conduct Authority and the Prudential Regulation Authority > ************************************************************ > ----------------------------------------- SAVE PAPER - THINK BEFORE YOU > PRINT! This transmission has been issued by a member of the HSBC Group "HSBC" > for the information of the addressee only and should not be reproduced and/or > distributed to any other person. 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Its contents are based on > information obtained from sources believed to be reliable but HSBC makes no > representation and accepts no responsibility or liability as to its > completeness or accuracy._______________________________________________ > 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 > > > > ************************************************************ > HSBC Bank plc may be solicited in the course of its placement efforts for a > new issue, by investment clients of the firm for whom the Bank as a firm > already provides other services. It may equally decide to allocate to its own > proprietary book or with an associate of HSBC Group. This represents a > potential conflict of interest. HSBC Bank plc has internal arrangements > designed to ensure that the firm would give unbiased and full advice to the > corporate finance client about the valuation and pricing of the offering as > well as internal systems, controls and procedures to identify and manage > conflicts of interest. > > HSBC Bank plc > Registered Office: 8 Canada Square, London E14 5HQ, United Kingdom > Registered in England - Number 14259 > Authorised by the Prudential Regulation Authority and regulated by the > Financial Conduct Authority and the Prudential Regulation Authority > ************************************************************ > ----------------------------------------- SAVE PAPER - THINK BEFORE YOU > PRINT! This transmission has been issued by a member of the HSBC Group "HSBC" > for the information of the addressee only and should not be reproduced and/or > distributed to any other person. Each page attached hereto must be read in > conjunction with any disclaimer which forms part of it. Unless otherwise > stated, this transmission is neither an offer nor the solicitation of an > offer to sell or purchase any investment. Its contents are based on > information obtained from sources believed to be reliable but HSBC makes no > representation and accepts no responsibility or liability as to its > completeness or accuracy._______________________________________________ > 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 > > > > ************************************************************ > HSBC Bank plc may be solicited in the course of its placement efforts for a > new issue, by investment clients of the firm for whom the Bank as a firm > already provides other services. It may equally decide to allocate to its own > proprietary book or with an associate of HSBC Group. This represents a > potential conflict of interest. HSBC Bank plc has internal arrangements > designed to ensure that the firm would give unbiased and full advice to the > corporate finance client about the valuation and pricing of the offering as > well as internal systems, controls and procedures to identify and manage > conflicts of interest. > > HSBC Bank plc > Registered Office: 8 Canada Square, London E14 5HQ, United Kingdom > Registered in England - Number 14259 > Authorised by the Prudential Regulation Authority and regulated by the > Financial Conduct Authority and the Prudential Regulation Authority > ************************************************************ > ----------------------------------------- SAVE PAPER - THINK BEFORE YOU > PRINT! This transmission has been issued by a member of the HSBC Group "HSBC" > for the information of the addressee only and should not be reproduced and/or > distributed to any other person. Each page attached hereto must be read in > conjunction with any disclaimer which forms part of it. Unless otherwise > stated, this transmission is neither an offer nor the solicitation of an > offer to sell or purchase any investment. Its contents are based on > information obtained from sources believed to be reliable but HSBC makes no > representation and accepts no responsibility or liability as to its > completeness or accuracy._______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users
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