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From "Java Prog" <javapri...@gmail.com>
Subject Re: Persistence managers and file storage
Date Wed, 25 Oct 2006 14:39:47 GMT
Thank you very much.
It clears things out regarding cqfs.

Regarding DerbyPersistance manager - as preferred persistence manager:
should it behave better than SimpleDBPersistanceManager (faster?)

Regards


On 10/25/06, Stefan Guggisberg <stefan.guggisberg@gmail.com> wrote:
> hi,
>
> On 10/24/06, Java Prog <javaprimer@gmail.com> wrote:
> > Dear all,
> > I use SimpleDBPersistanceManager as persistence manager.
> > When file (2-3 mb in size) is checked in all other operations
> > are halted until it is stored. It presume that this occurs
> > due to a single connection to the database.
> > I would like to know does someone has similar experience and
> > what to do in such case? For small files (100 -200kb) it seems to
> > be OK.
> >
> > Also, I would like if someone can clarify cqfs licence?
>
> cqfs is a custom FileSystem implementation developed
> by Day Software. the license states that it's free for
> non-commercial use. you can't redistribute it without
> day's permission.
>
> > What is meant by free to use but not open source?
>
> this means that you can use the distributed binaries
> but you don't get the source code.
>
> > In which cases I can use it in my application?
>
> the short answer is you don't need it ;)
>
> in early days of jackrabbit there were only filesystem-based
> persistence managers (e.g. XMLPersistenceManager) available.
> the performance of those suffered severely when used
> on a windows file system. cqfs was meant to be an alternative
> filesystem to be used on windows.
>
> since we're now using DerbyPersistenceManager as the
> prefered persistence manager you don't need cqfs anymore.
>
> cheers
> stefan
>
> >
> > Regards
> >
>

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