The best practice is: - The component which calls DirectoryReader.open should call close() - Any code which calls incRef() should match that call with decRef(), preferably in a try-finally clause
Shai On Sun, Jun 2, 2013 at 6:18 AM, Yonghui Zhao <zhaoyong...@gmail.com> wrote: > Thanks, Michael. > > My understanding is that close also calls decRef. So if I never call > incRef, I also can call decRef one time, the decRef actually close the > reader since the ref counter is decreased to 0. > > So if we call incRef n times, can I call decRef n+1 times to close the > reader without call close, since I don't know when the ref counter is 1? > > > > > > > 2013/6/2 Michael McCandless <luc...@mikemccandless.com> > > > Only call decRef if you previously called incRef. They must match one > for > > one. > > > > Also, call close when you are done using the IndexReader. > > > > If you fail to decRef or close then files will be held open and you'll > > eventually exhaust the limit of open file descriptors. > > > > Mike McCandless > > > > http://blog.mikemccandless.com > > > > > > On Fri, May 31, 2013 at 8:12 PM, Yonghui Zhao <zhaoyong...@gmail.com> > > wrote: > > > After we use IndexReader do we always need call decRef explicitly? > > > > > > What will happen, if I don't call decRef? Thanks > > > > > > Sent from my iPad > > > > > > --------------------------------------------------------------------- > > > 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 > > > > >
