I recommend reading http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html?m=1
Just use mmapdirectory and let operating system do the rest. MW Sent from Mi phone On 21 May 2016 12:42, "Prateek Singhal" <prateek.b...@gmail.com> wrote: > You can consider that I want to store the lucene index in some sort of > temporary memory or a HashMap so that I do not need to index the documents > every time as it is a costly operation. I can directly return the lucene > index from that HashMap and use it to answer my queries. > > Just want to know if I can access the lucene index object which lucene has > created so that I can cache it. > > > > On Sat, May 21, 2016 at 3:46 PM, Uwe Schindler <u...@thetaphi.de> wrote: > > > Hi, > > > > What do you mean with "cache"? > > > > Uwe > > > > ----- > > Uwe Schindler > > H.-H.-Meier-Allee 63, D-28213 Bremen > > http://www.thetaphi.de > > eMail: u...@thetaphi.de > > > -----Original Message----- > > > From: Prateek Singhal [mailto:prateek.b...@gmail.com] > > > Sent: Saturday, May 21, 2016 11:27 AM > > > To: java-user@lucene.apache.org > > > Subject: Cache Lucene based index. > > > > > > Hi Lucene lovers, > > > > > > I have a use-case where I want to *create a lucene based index* of > > multiple > > > documents and then *want to cache that index*. > > > > > > Can anyone suggest if this is possible ? > > > And which *type of cache* will be most efficient for this use case. > > > > > > Also if you can provide me with any *example *of the same then it will > be > > > really very helpful. > > > > > > Thanks. > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > > > > > -- > Regards, > Prateek Singhal > Software Development Engineer @ Amazon.com > > "Believe in yourself and you can do unbelievable things." >