October 2006 - hibernate-dev - Jboss List Archives

hibernate-sqlserver-jtds-testsuite Build Timed Out

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17 years, 6 months

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hibernate-mysql-testsuite Build Timed Out

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17 years, 6 months

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Re: [Hibernate] Fwd: hibernate performace improvements and dynamicmappings generation using heuristics

by Emmanuel Bernard

I'm afraid the code is the only accurate documentation you'll get, this is our implicit mantra. Read the reference documentation to understand the concepts behind Hibernate. The code itself is quite complex but readable ( unless you fall into the AST parser ;-) ) Mahen Perera wrote: > hi, > > Appreciate if someone can give me some pointers on where i can find a > Hibernate Developers guide, as in some document(s) which will help in > developing and analysing the hibernate codebase. > > Thanks > Mahen > > ---------- Forwarded message ---------- > From: *Max Rydahl Andersen* <max.andersen(a)jboss.com > <mailto:max.andersen@jboss.com>> > Date: Oct 19, 2006 9:24 AM > Subject: Re: [Hibernate] hibernate performace improvements and dynamic > mappings generation using heuristics > To: Mahen Perera <mahens(a)gmail.com <mailto:mahens@gmail.com>>, > hibernate-devel(a)lists.sourceforge.net > <mailto:hibernate-devel@lists.sourceforge.net> > > Hi Mahen, > > some have previously talked about utilizing the statistics and aop to > figure > out more optimal ways of querying/mapping so it is not a new idea; just > that > noone have yet had the time to investigate into it. > > I would assume classic database query optimizing techniques and program > flow analysis > is applicable in this area so if you know those then simply learn > hibernate and > apply them ;) > > /max > > > Hi All, > > > > I am a postgraduate student from Imperial College, London,, > > > > I am doing a research on performace optimisations in the peristence > > layer of > > a web > > application... > > > > just want to get your ideas on likely improvements that can be done in > > hibernate to > > optimise the performance,, > > these changes should be changes to the hibernate core... > > > > yeah,, i have seen various articles on how to increase performace in > > hibernate and all,, but > > what i want to know is that what are the areas that i can explore in > > order > > to increase > > the performance more..at the code level > > > > i am hoping to try out various optmisations and evaluate the likely > > impact > > of each > > optimisation and stuff like that and would like to contribute to > > hibernate > > with my > > findings,,, > > > > greatly appreciate some pointers from you all,, > > > > mainly i am concerned about the following disadvantage of hibernate: > > > > > > "Developers must know enough information about data usage at compile > > time to > > be able to optimise queries and choose the appropriate object-relational > > mappings" > > so therefore, i am thinking about the repercussions and advantages of > > having dynamically generated mapping files based on heuristics of the > > usage > > pattern of the data,, in other words dynamically deciding on the mapping > > based on what queries are used more frquently in a system,, > > > > would appreciate some feedback from you all > > > > Thanks > > Mahen > > > > -- > -- > Max Rydahl Andersen > callto://max.rydahl.andersen > > Hibernate > max(a)hibernate.org <mailto:max@hibernate.org> > http://hibernate.org > > JBoss a division of Red Hat > max.andersen(a)jboss.com <mailto:max.andersen@jboss.com> > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > ------------------------------------------------------------------------ > > _______________________________________________ > hibernate-devel mailing list > hibernate-devel(a)lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/hibernate-devel >

17 years, 6 months

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Fwd: [hibernate-commits] Hibernate SVN: r10635 - in branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack: defaultpar explodedpar

by Max Rydahl Andersen

Hi Emmanuel, Is it the branch or trunk you wanted fixes/changes or do i just need to apply this "make stuff compile" fix to both branches ? /max ------- Forwarded message ------- From: hibernate-commits(a)lists.jboss.org To: hibernate-commits(a)lists.jboss.org Cc: Subject: [hibernate-commits] Hibernate SVN: r10635 - in branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack: defaultpar explodedpar Date: Fri, 20 Oct 2006 10:39:44 +0200 Author: max.andersen(a)jboss.com Date: 2006-10-20 04:39:42 -0400 (Fri, 20 Oct 2006) New Revision: 10635 Modified: branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/defaultpar/package-info.java branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/explodedpar/package-info.java Log: fixed non-compilable package-info Modified: branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/defaultpar/package-info.java =================================================================== --- branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/defaultpar/package-info.java 2006-10-20 08:35:35 UTC (rev 10634) +++ branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/defaultpar/package-info.java 2006-10-20 08:39:42 UTC (rev 10635) @@ -1,4 +1,5 @@ @NamedQuery(name = "allMouse", query = "select m from ApplicationServer m") package org.hibernate.ejb.test.pack.defaultpar; -import javax.persistence.NamedQuery; \ No newline at end of file +import org.hibernate.annotations.NamedQuery; + Modified: branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/explodedpar/package-info.java =================================================================== --- branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/explodedpar/package-info.java 2006-10-20 08:35:35 UTC (rev 10634) +++ branches/Branch_3_2/HibernateExt/ejb/src/test/org/hibernate/ejb/test/pack/explodedpar/package-info.java 2006-10-20 08:39:42 UTC (rev 10635) @@ -1,3 +1,4 @@ @NamedQuery(name = "allCarpet", query = "select c from Carpet c") package org.hibernate.ejb.test.pack.explodedpar; -import javax.persistence.NamedQuery; \ No newline at end of file +import org.hibernate.annotations.NamedQuery; + _______________________________________________ hibernate-commits mailing list hibernate-commits(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-commits -- -- Max Rydahl Andersen callto://max.rydahl.andersen Hibernate max(a)hibernate.org http://hibernate.org JBoss a division of Red Hat max.andersen(a)jboss.com

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hibernate-sybase-testsuite Build Completed With Testsuite Errors

by qa＠jboss.com

17 years, 6 months

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hibernate-timesten-testsuite Build Completed With Testsuite Errors

by qa＠jboss.com

17 years, 6 months

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hibernate-mysql-testsuite Build Completed With Testsuite Errors

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17 years, 6 months

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hibernate-oracle10-testsuite Build Completed With Testsuite Errors

by qa＠jboss.com

17 years, 6 months

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hibernate-hsqldb-testsuite Build Completed With Testsuite Errors

by qa＠jboss.com

17 years, 6 months

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hibernate-sqlserver-jtds-testsuite Build Timed Out

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17 years, 6 months

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hibernate-dev October 2006