Since the last time you called IW.commit, yes. IW.commit also determines visibility to IndexReaders opened on that same directory.
Mike McCandless http://blog.mikemccandless.com On Wed, Dec 14, 2016 at 1:05 PM, Siraj Haider <si...@jobdiva.com> wrote: > Hi Mike, > You said "periodically calling IW.commit when you need durability". Does it > mean that if the program dies without calling the IW.commit() all the index > changes would be lost that were not commited? > > ------ > Regards > -Siraj Haider > (212) 306-0154 > > -----Original Message----- > From: Michael McCandless [mailto:luc...@mikemccandless.com] > Sent: Thursday, July 07, 2016 8:52 AM > To: Lucene Users <java-user@lucene.apache.org>; myshar...@gmail.com > Subject: Re: IndexWriter and IndexReader in a shared environment > > The API is pretty simple. > > Create IndexWriter and leave it open forever, using it to index/delete > documents, and periodically calling IW.commit when you need durability. > > Create a SearcherManager, passing it the IndexWriter, and use it per-search > to acquire/release the searcher. Periodically (ideally from a separate > thread) call SM.maybeRefresh so the searcher sees the latest indexing changes. > > Mike McCandless > > http://blog.mikemccandless.com > > On Tue, Jul 5, 2016 at 9:36 AM, Desteny Child <myshar...@gmail.com> wrote: > >> Hi, >> >> In my Spring Boot application I have implemented 2 API endpoints - one >> for Lucene(I use 5.2.1) document indexing and another one for searching. >> >> Right now I open every time on each request IndexWriter and IndexReader. >> With a big index it works pretty slow. >> >> I know that there is a possibility to use single IndexWriter and >> IndexReader in a shared environment. There is SearcherManager or >> something like this for this purpose. >> >> I can't find a good example for this for Lucene 5. Could you please >> share with me this example ? >> >> Thanks in advance, >> Alex >> > > ________________________________ > > This electronic mail message and any attachments may contain information > which is privileged, sensitive and/or otherwise exempt from disclosure under > applicable law. The information is intended only for the use of the > individual or entity named as the addressee above. If you are not the > intended recipient, you are hereby notified that any disclosure, copying, > distribution (electronic or otherwise) or forwarding of, or the taking of any > action in reliance on, the contents of this transmission is strictly > prohibited. If you have received this electronic transmission in error, > please notify us by telephone, facsimile, or e-mail as noted above to arrange > for the return of any electronic mail or attachments. Thank You. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
