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From "Alexandru Popescu" <the.mindstorm.mailingl...@gmail.com>
Subject Re: Problem with indexes
Date Sat, 03 Jun 2006 01:04:27 GMT
Petr is the initial problem still valid if you use the patched
(JCR-448) 1.0.1 release?

./alex
--
.w( the_mindstorm )p.


On 5/31/06, Petr Pytelka <Petr.Pytelka@lightcomp.com> wrote:
> Hi,
>
> I've created simplified, faster and less resource consuming example of
> problem.
>
> Only source code:
> http://217.11.254.42/download/Test3.java (7kb)
>
> Package with all libraries:
> http://217.11.254.42/download/index-problem.zip (5MB)
>
> Please could you anybody confirm if it is problem in Jackrabbit or in my
> usage of JackRabbit ?
>
> Thanks a lot.
>
> Petr
>
>
> Petr Pytelka wrote:
> > Hi Marcel,
> > I've tried to find out more about my issue but didn't succeed.
> >
> > There is small application which demonstrate the problem:
> > http://217.11.254.42/download/index-problem.zip
> >
> > Steps to reproduce:
> >
> > Prerequisites:
> > 1. This test is resource consuming - need computer with at least 512 MB,
> > better 1 GB
> > 2. Package contain all needed libs and also source code (10kb) - I was
> > not able to create smaller example - sorry for that.
> >
> > Test can be run using script "run-test" or "run-test.bat" - at the
> > beginning of each file is path to the Java.
> >
> > Whole test is trying to create 10000 nodes
> >  - Phase 1: Create 20 nodes
> >  - Phase 2: Query for last created 20 nodes
> >
> > Problem is that on faster machines this test fail around 3000-5000th
> > document - it is not possible to locate file. Query in repository is
> > based on the attribute values.
> >
> > Maybe that the problem is in my code.. I'll really appreciate if you can
> > look on it...
> >
> > Thanks, Petr
> >
> >
> > Marcel Reutegger wrote:
> >> Hi Petr,
> >>
> >> can you please provide the source code to your test case that allows
> >> us to reproduce the behaviour? Thanks
> >>
> >> regards
> >>  marcel
> >>
> >> Petr Pytelka wrote:
> >>> Hi all,
> >>>
> >>> I'm testing performance of Jackrabbit and found one issue.
> >>>
> >>> Test case:
> >>> 1. Insert N items
> >>> 2. Search each of inserted items (using Query)
> >>> 3. Drop inserted item
> >>>
> >>> When N is lower then aprox.1000 items every thinks works fine. But when
> >>> N is higher then aprox. 1000 items Jackrabbit (Lucene) some how "lost"
> >>> indexes and I'm not able to find required item (usualy I'm able to find
> >>> first 300 items).
> >>> If I delete index directory and re-run search, Jackrabbit build new
> >>> indexes during startup and I'm able to find all items.
> >>>
> >>> Lucene: version 1.4.3
> >>> DB-backend: Derby
> >>>
> >>> Any idea where can be problem ?
> >>>
> >>> Thanks a lot, Petr Pytelka
> >>>
> >>>
> >>>
> >>>
>

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