Upgrading Lucene Indices and maintaining same resultset

2015-05-27 Thread Sandeep Khanzode
Hi All, We have a Lucene 3.6-based index set which is quite large and currently in use.  What will be the upgrade path to (a) 4.x or (b) 5.x? With respect to the data migration, etc. What are the steps and is it technically possible? I read that 3.x to 5.x is not possible, and throws IndexTooStal

Re: Search Performance with NRT

2015-05-27 Thread kiwi clive
Hi Mike, Thanks for the very prompt and clear response. We look forward to using the new (new for us) Lucenene goodies :-) Clive From: Michael McCandless To: Lucene Users ; kiwi clive Sent: Thursday, May 28, 2015 2:34 AM Subject: Re: Search Performance with NRT As long as you cal

Last call for JTRES 2015

2015-05-27 Thread Lukasz Ziarek
Dear Real-time Java Community, Remi and I are pleased to announce the release of the JTRES 2015 call for papers (below) and the JTRES 2015 website: http://jtres2015.univ-mlv.fr. JTRES will be held in Paris on October 7th and 8th. We hope to see you there and look forward to your submissi

Re: Search Performance with NRT

2015-05-27 Thread Michael McCandless
As long as you call SM.maybeRefresh from a dedicated refresh thread (not from a query's thread) it will work well. You may want to use a warmer so that the new searcher is warmed before becoming visible to incoming queries ... this ensures any lazy data structures are initialized by the time a que

Phrase Query With Special Character

2015-05-27 Thread patel mrugesh
Hi, I am facing an issue with phrase query having special character (like &, dot, comma, : etc). I have tried following queries and although there were data, 0 result returned. 1) Search Query  --> name:"Pep:Trans vaccines, GSK" Parsed Query --> +name:"pep:trans vaccines gsk" Result r

Search Performance with NRT

2015-05-27 Thread kiwi clive
Hi Guys We are considering changing our Lucene indexer / search architecture from 2 separate JVMs to a single one to benefit from the very latest index views NRT readers provide. In the past we cached our IndexSearchers to avoid cold searches every time and reopened them periodically.  In the