Re: [Webware-discuss] MiddleKit references

2002-11-05 Thread Chuck Esterbrook
I added your paper to: http://webware.sourceforge.net/Papers/ On Sunday 03 November 2002 12:13 pm, Jason Hildebrand wrote: I gave a talk on Webware at LinuxTag 2002, which has a section on MiddleKit and includes an example schema, Classes.csv and Samples.csv files. The paper is

Re: [Webware-discuss] MiddleKit references

2002-11-05 Thread Roger Haase
--- Chuck Esterbrook [EMAIL PROTECTED] wrote: I added your paper to: http://webware.sourceforge.net/Papers/ http://www.opensky.ca/~jdhildeb/webware/ In Jason's paper and elsewhere in the MiddleKit docs there is some advice on avoiding concurrency issues: ''' Concurrency Issues .

Re: [Webware-discuss] MiddleKit references

2002-11-05 Thread Jason Hildebrand
On Tue, 2002-11-05 at 10:15, Roger Haase wrote: In Jason's paper and elsewhere in the MiddleKit docs there is some advice on avoiding concurrency issues: During some stress testing a few days ago I found that if two servlets are updating or inserting different records at the same time using

Re: [Webware-discuss] MiddleKit references

2002-11-05 Thread Chuck Esterbrook
On Tuesday 05 November 2002 09:39 am, Jason Hildebrand wrote: If these requirements are general enough, I'll document this and commit the fix to CVS.  What do you think, Chuck? Sounds great to me! Additional thoughts for the implementation: - There is already a boolean self._threaded. The

Re: [Webware-discuss] MiddleKit references

2002-11-05 Thread Roger Haase
--- Jason Hildebrand [EMAIL PROTECTED] wrote: In any case, it would be a good first step to see if it solves your problem, Roger. I can send you a patch, just let me know if you use the 0.7 release or CVS. I fixed the problem by putting a rather brutal lock in ObjectStore, but I would

Re: [Webware-discuss] MiddleKit references

2002-11-05 Thread Michael Engelhart
Shouldn't these updates/inserts be wrapped in a database transaction anyway? Wouldn't that avoid the threading issues that are coming up? On Tuesday, November 5, 2002, at 02:24 PM, Roger Haase wrote: I fixed the problem by putting a rather brutal lock in ObjectStore, but I would be happy to

Re: [Webware-discuss] MiddleKit references

2002-11-05 Thread Roger Haase
--- Michael Engelhart [EMAIL PROTECTED] wrote: Shouldn't these updates/inserts be wrapped in a database transaction anyway? Wouldn't that avoid the threading issues that are coming up? I have been wrong a lot on MiddleKit threading issues in particular, but I think currently if a servlet is

Re: [Webware-discuss] MiddleKit references

2002-11-03 Thread Jason Hildebrand
On Sat, 2002-11-02 at 08:50, Michael Montagne wrote: I'm building sample data in a .csv file. To create a relationship between two objects the doc say: You can see that in sample data, references to objects (sometimes called obj refs, references or pointers) are made by referring

[Webware-discuss] MiddleKit references

2002-11-02 Thread Michael Montagne
I'm building sample data in a .csv file. To create a relationship between two objects the doc say: You can see that in sample data, references to objects (sometimes called obj refs, references or pointers) are made by referring to the implicit serial number of the target object (1, 2, 3,