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Posted to dev@jackrabbit.apache.org by Stefan Guggisberg <st...@gmail.com> on 2006/02/08 12:18:43 UTC

Re: Performance bottleneck

On 1/20/06, Stefan Guggisberg <st...@gmail.com> wrote:
> On 1/18/06, Jukka Zitting <ju...@gmail.com> wrote:
> > Hi,
> >
> > You may want to file a Jira issue about the performance with large
> > numbers of child nodes. I think it is a valid concern that should be
> > addressed somehow. If nothing else, the performance constraint should
> > be mentioned in the Jackrabbit documentation.
>
> i posted a jira issue: https://issues.apache.org/jira/browse/JCR-307
> it's not a PersistenceManager issue but a problem of the
> NodeState#ChildNodeEntries
> implementation which is optimized for same name sibling processing
> but doesn't seem to scale well with a large number of (uniquely named) entries.
> i'll look into it asap.

fyi: i committed several NodeState optimizations which resolve this issue
(svn r. r37592).

cheers
stefan

>
> cheers
> stefan
>
> >
> > BR,
> >
> > Jukka Zitting
> >
> > --
> > Yukatan - http://yukatan.fi/ - info@yukatan.fi
> > Software craftmanship, JCR consulting, and Java development
> >
>