OK, so there is nothing in 2.3 besides IndexWriter.close to ensure that the docs are written to disk and that the index will survive an application / machine death?
> -----Original Message----- > From: Michael McCandless [mailto:[EMAIL PROTECTED] > Sent: Freitag, 8. Februar 2008 19:34 > To: java-user@lucene.apache.org > Subject: Re: IndexWriter: setRAMBufferSizeMB > > Well ... every time the RAM buffer is full, a new segment is flushed > to the Directory, but that is not necessarily a "commit" in that > an IndexReader would see the new segment, nor, that the segment would > survive if the machine suddenly crashed. > > You should't rely on when specifically IndexWriter makes its changes > visible to readers. The best way to be sure is to close the writer. > > There is work underway now, in this issue: > > https://issues.apache.org/jira/browse/LUCENE-1044 > > that will add an explicit "commit" call, which you would use to 1) > make the changes visible to readers, and 2) sync the index such that > if the machine crashed (after commit returns) then your changes as of > the commit will survive. But it's not committed yet ... it will be in > 2.4. > > One way for a reader to check if a new commit has happened is to > call the isCurrent method. Maybe that helps? > > Mike > > <[EMAIL PROTECTED]> wrote: > > > Hi, > > > > if I understand this property correctly every time the ram buffer > > is full it > > gets automaticaly written to disk. Something like a commit in a > > database. > > Thus if my application dies, all docs in the buffer get lost. Right? > > > > If so, is there any event/callback etc. which informs my > > application that > > such a commit happend? > > > > Thank you. > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
