Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-27 Thread Upayavira
As much as possible, use new configs. Take fieldType definitions from your 4.x example dir, don't use the old ones. e.g. if you use the old date field type, it won't be usable in various ways (e.g. in the MS() function). Upayavira On Thu, Jun 27, 2013, at 11:00 AM, Sandeep Gupta wrote: > Thanks a

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-27 Thread Sandeep Gupta
Thanks again Shawn for your comments. I am little worried about the multi threading of web application which uses servlets. I also found one of your explanation (please confirm the same whether its your comment only) in http://lucene.472066.n3.nabble.com/Memory-problems-with-HttpSolrServer-td4060

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-27 Thread Upayavira
I have done this - upgraded a 1.4 index to 3.x then on to 4.x. It worked, but... New field types have been introduced over time that facilitate new functionality. To continue to use an upgraded index, you need to continue using the old field types, and thus loose some of the coolness of newer vers

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-26 Thread Shawn Heisey
On 6/26/2013 11:25 PM, Sandeep Gupta wrote: > To have singleton design pattern for SolrServer object creation, > I found that there are so many ways described in > http://en.wikipedia.org/wiki/Singleton_pattern > So which is the best one, out of 5 examples mentioned in above url, for web > applicat

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-26 Thread Sandeep Gupta
Thanks Shawn. To have singleton design pattern for SolrServer object creation, I found that there are so many ways described in http://en.wikipedia.org/wiki/Singleton_pattern So which is the best one, out of 5 examples mentioned in above url, for web application in general practice. I am sure lots

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-26 Thread Shawn Heisey
On 6/25/2013 11:52 PM, Sandeep Gupta wrote: > Also in application development side, > as I said that I am going to use HTTPSolrServer API and I found that we > shouldn't create this object multiple times > (as per the wiki document http://wiki.apache.org/solr/Solrj#HttpSolrServer) > So I am plannin

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-25 Thread Sandeep Gupta
think I > did that once and it worked. > > Regards, > André > > > Von: Erick Erickson [erickerick...@gmail.com] > Gesendet: Dienstag, 25. Juni 2013 19:37 > An: solr-user@lucene.apache.org > Betreff: Re: Need Help in migrating Solr

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-25 Thread Sandeep Gupta
think I > did that once and it worked. > > Regards, > André > > > Von: Erick Erickson [erickerick...@gmail.com] > Gesendet: Dienstag, 25. Juni 2013 19:37 > An: solr-user@lucene.apache.org > Betreff: Re: Need Help in migrating Solr

AW: Need Help in migrating Solr version 1.4 to 4.3

2013-06-25 Thread André Widhani
ng from scratch before moving on to 4.x - I think I did that once and it worked. Regards, André Von: Erick Erickson [erickerick...@gmail.com] Gesendet: Dienstag, 25. Juni 2013 19:37 An: solr-user@lucene.apache.org Betreff: Re: Need Help in migrating Solr ver

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-25 Thread Erick Erickson
bq: I'm not sure if Solr 4.3 will be able to read Solr 1.4 indexes Solr/Lucene explicitly try to read _one_ major revision backwards. Solr 3.x should be able to read 1.4 indexes. Solr 4.x should be able to read Solr 3.x. No attempt is made to allow Solr 4.x to read Solr 1.4 indexes, so I wouldn't

Re: Need Help in migrating Solr version 1.4 to 4.3

2013-06-25 Thread Shalin Shekhar Mangar
You must carefully go through the upgrade instructions starting from 1.4 upto 4.3. In particular the instructions for 1.4 to 3.1 and from 3.1 to 4.0 should be given special attention. On Tue, Jun 25, 2013 at 11:43 AM, Sandeep Gupta wrote: > Hello All, > > We are planning to migrate solr 1.4 to So

Need Help in migrating Solr version 1.4 to 4.3

2013-06-24 Thread Sandeep Gupta
Hello All, We are planning to migrate solr 1.4 to Solr 4.3 version. And I am seeking some help in this side. Considering Schema file change: By default there are lots of changes if I compare original Solr 1.4 schema file to Sol 4.3 schema file. And that is the reason we are not copying paste of s