Re: [hibernate-dev] [Fwd: [redhat.com #1341720] [Fwd: Re: Unable to checkout core/trunk/core]]

2009-10-22 Thread Steve Ebersole
Here is the response from the admins... SVN access over webdav (in other words, accessing an SVN repo vi http/https) has always used HTTP REPORT as far as I am aware. In fact, any webdav based SVN repo should experience this problem, it's not unique to jboss.org SVN. This problem wouldn't have be

[hibernate-dev] Comment patch - cascading performance

2009-10-22 Thread Yves Galante
Hi, Could someone look at HHH-3860 and comment on the patch attached in JIRA. It a update from an old patch "HHH-2272 Serious performance problems when saving large amount". This patch optimize cascading operation by the caching the relation parent-child on a temporary map. When a child find its

Re: [hibernate-dev] JPA2 locking

2009-10-22 Thread Steve Ebersole
Hey Thamayanthi, It really depends what interests you. If you don't know the code base very well, that would be a good place to start. Also don't discount helping out on IRC or forums or documentation etc. Those are great ways to help improve hibernate. In terms of developing code, the best b

Re: [hibernate-dev] [infinispan-dev] atomic operations for Lucene's LockManager on Infinispan

2009-10-22 Thread Sanne Grinovero
ah forgot to point out, I've also tried several LOCAL configurations. Even with not very aggressive contention, like 10 threads spinning in a sleep of 300 milliseconds, it shows some failures in a 1 minute test run. 2009/10/22 Sanne Grinovero : > No it fails in every Infinispan-based configuration

Re: [hibernate-dev] [infinispan-dev] atomic operations for Lucene's LockManager on Infinispan

2009-10-22 Thread Sanne Grinovero
No it fails in every Infinispan-based configuration I could try, it only works when using the stock CocurrentHashMap. 2009/10/22 Manik Surtani : > > On 22 Oct 2009, at 16:01, Mircea Markus wrote: > >> >> On Oct 21, 2009, at 9:50 PM, Sanne Grinovero wrote: >> >>> Hello, >>> I've spoken with Manik i

Re: [hibernate-dev] [infinispan-dev] atomic operations for Lucene's LockManager on Infinispan

2009-10-22 Thread Manik Surtani
On 22 Oct 2009, at 16:01, Mircea Markus wrote: > > On Oct 21, 2009, at 9:50 PM, Sanne Grinovero wrote: > >> Hello, >> I've spoken with Manik in IRC about this, so wanted to share this, >> especially because he mentioned to ask someone to help me. > I've applied the patch and reproduced the failu

Re: [hibernate-dev] JPA2 locking

2009-10-22 Thread Steve Ebersole
But my point is that the spec is misusing the term repeatable read here. Repeatable read in database terms is strictly about making sure a transaction sees the the same data "version" every time it reads a given row. That has nothing *necessarily* to do with blocking concurrent writers. In fact M

Re: [hibernate-dev] [Fwd: [redhat.com #1341720] [Fwd: Re: Unable to checkout core/trunk/core]]

2009-10-22 Thread Darryl Miles
I had exactly this same problem the other day (when checking out various JBoss SVN projects first the first time). My Linux workstation has direct NATed internet connectivity, but my Windows XP workstation must use a proxy (both HTTP/SOCKS5 are available). I found that my WinXP box was unable

Re: [hibernate-dev] JPA2 locking

2009-10-22 Thread Thamayanthi Guhan
Hello Everyone, I would like to contribute in hibernate developement. Can any one provide guidance to start? Thanks Thamayanthi On Tue, Oct 20, 2009 at 10:45 AM, Scott Marlow wrote: > On 10/16/2009 03:40 PM, Emmanuel Bernard wrote: > > When I discussed that with Gavin, I believe this idea is

Re: [hibernate-dev] JPA2 locking

2009-10-22 Thread Emmanuel Bernard
On 20 oct. 09, at 20:22, Steve Ebersole wrote: > On Tue, 2009-10-20 at 14:12 -0400, Scott Marlow wrote: >> On 10/20/2009 12:16 PM, Steve Ebersole wrote: >>> See my reading of P2 though is more than just ensuring a repeatable >>> read. >>> >>> If T1 does lock(entity, LockModeType.PESSIMISTIC_READ)

Re: [hibernate-dev] JPA2 locking

2009-10-22 Thread Emmanuel Bernard
It seems to be the RR definition to me http://en.wikipedia.org/wiki/Isolation_(database_systems)#REPEATABLE_READ "All data records read by a SELECT statement cannot be changed;" On 20 oct. 09, at 18:16, Steve Ebersole wrote: > See my reading of P2 though is more than just ensuring a repeatable >