Indeed, having to re-open a searcher/reader in order for searches
to reflect index modification, can sometimes not best fit with the
logic of a certain application.

But see the features made possible with this design:
(+) searches do not feel index modifications until desired.
(++) no need to synchronize/interfere between searchers and index updates.
(+++) stable non-corruptable index without duplicating index data.

Doron

[EMAIL PROTECTED] wrote on 05/03/2007 11:02:34:
> That part is self understood. However as I describe the problem
> initially - and the use case is a very practical way of dealing with
> documents in real live - they change, we edit them, I don't want to
> run a batch re-indexing thing every night... I just wanted done on
> the spot. One instance IndexerSeacher it's the way to go I today
> agree but because it's reader doesn't detect the changes in the
> files because is not being used to do them it's pretty anoying don't
> you all thing ?
>
>  -------------- Original message ----------------------
> From: "Erick Erickson" <[EMAIL PROTECTED]>
> > <1>. Every time you close/open a reader, you pay a significant penalty
> > to warm up caches, etc. You may have to do some tricky dancing
> > to coordinate among the sessions to be able to close/reopen
> > the reader to allow updates to show up though.
> >
> > Erick
> >
> >
> > On 3/5/07, Mohammad Norouzi <[EMAIL PROTECTED]> wrote:
> > >
> > > Hi Erick
> > > I am completely confused about this IndexReader.
> > > in my case, I have to keep the reader opened because of pagination of
the
> > > result so I have to had a reader per session. the thing that baffled
me is
> > > can only one reader service all the session at the same time?
> > >
> > > I mean
> > > 1- having one reader for all sessions and having a Hits for each
session.
> > > 2- one reader per session.
> > > which one is right?
> > >


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