Thanks Uwe, I implemented the interface and am printing some lines to see if the warmup is happening, but I never see those prints in the log after some documents are indexed. Another question is how to warmup the index when I open the index first time, i.e. when the application starts. Should I simply run warmup queries on the acquired IndexSearcher from SearcherManager or is there a better way to accomplish that.
------ Regards -Siraj Haider (212) 306-0154 -----Original Message----- From: Uwe Schindler [mailto:u...@thetaphi.de] Sent: Monday, December 19, 2016 1:29 PM To: java-user@lucene.apache.org Subject: RE: Warming Indexes Hi, Just implement this interface and override the sole abstract method. The argument is a LeafReader that you can quickly wrap with an IndexSearcher (LeafReader is a subclass of IndexReader, so it's standard pattern) and execute one or multiple queries on it. This depends on your use case. Do whatever you want with the to-be warmed LeafReader. Uwe ----- Uwe Schindler Achterdiek 19, D-28357 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: Siraj Haider [mailto:si...@jobdiva.com] > Sent: Monday, December 19, 2016 4:10 PM > To: java-user@lucene.apache.org > Subject: RE: Warming Indexes > > Thanks for the information Uwe, it was very helpful. Do you have any > example code implementing IndexWriter.IndexReaderWarmer class? I am > having difficulty finding any examples on internet. > > ------ > Regards > -Siraj Haider > (212) 306-0154 > > -----Original Message----- > From: Uwe Schindler [mailto:u...@thetaphi.de] > Sent: Wednesday, December 14, 2016 3:34 PM > To: java-user@lucene.apache.org > Subject: RE: Warming Indexes > > Hi, > > How about subclassing SearcherFactory and include warming there? > https://lucene.apache.org/core/6_3_0/core/org/apache/lucene/search/Sea > r > cherFactory.html > > Refer especially to the last bullet point. As described there to do > warming in the background without blocking in the near realtime case, > use warmers on > IndexWriter.setMergedSegmentWarmer() instead. This has the effect that > only new index segments are warmed as needed instead of the whole > index on every reopen. > > Uwe > > ----- > Uwe Schindler > Achterdiek 19, D-28357 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > > -----Original Message----- > > From: Siraj Haider [mailto:si...@jobdiva.com] > > Sent: Wednesday, December 14, 2016 9:15 PM > > To: java-user@lucene.apache.org > > Subject: Warming Indexes > > > > Hi, > > > > We are in the process of moving from lucene 2.9 to 6.3. We are going > > to use SearcherManager and SearcherFactory classes for the first > > time and are wondering on how to warm our indexes the first time. > > Below are the snippets of code, where we create our IndexWriter and > SearcherManager. > > And then we use searcherManager.acquire() to get IndexSearcher. Can > > somebody please guide us on how to implement search warming? Would > we > > need to warm each IndexSearcher that we get from .acquire()? > > > > IndexWriter indexWriter = new IndexWriter(new NIOFSDirectory(new > > File(_indexLocation).toPath()), writer_config); > > SearcherManager searcherManager = new > SearcherManager(indexWriter, > > new SearcherFactory()); > > > > > > ------ > > Regards > > -Siraj Haider > > (212) 306-0154 > > > > > > ________________________________ > > > > 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 > > > ________________________________ > > 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. 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