--- Christoph Goller <[EMAIL PROTECTED]> wrote: > Konstantin Priblouda wrote: > >>I have to admit that I am not an expert in j2ee > >>compliancy. But I would like > >>to learn about it. If a database (I consder Lucene > >>as a database) really has > >>to be initialized for every read-access, than > there > >>is a problem with j2ee > >>compliancy. I cannot believe that this is really > >>true. > > > > > > I'm not so considered about j2ee compliance, but > > using file system locks is quite uncool... > > > > > > > >>LET ME STATE AGAIN: You should not open a new > >>IndexReader for every > >>search/query. If you do so you definitely have a > >>performance problem > >>independently from synchronization!!!!!!!!! > Opening > >>an IndexReader is > >>much more expensive than any individual > >>query/search. > > > > > > > > You suppose that I open index reader > (webapp)wide? > > One per session? Coud it be shared between > concurent > > requests? If not - only way is to open it for > > request... > > It has to be shared between requests. Anything else > cannot be efficient. We are using a server process > that accepts requests vi xml/rpc. Note that > IndexReader is > thread-safe and may be used by many requests either > sequentially > or concurrently.
and why constructor IndexReader(Directory) is protected? Is it really necessary, or it can be relaxed? Factory methods are uncool. ( it means, if it would be public, then it would be possible to drop a load of application code which does not need tests... ) regards, ===== ----[ Konstantin Pribluda ( ko5tik ) ]---------------- Zu Verstärkung meines Teams suche ich ab Sofort einen Softwareentwickler[In] für die Festanstellung. Arbeitsort: Mainz Skills: Programmieren, Kenntnisse in OpenSource-Bereich ----[ http://www.pribluda.de ]------------------------ __________________________________ Do you Yahoo!? Yahoo! Mail - 50x more storage than other providers! http://promotions.yahoo.com/new_mail --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
