Re: Migration from Solr 1.4 to Solr 3.5

2011-12-28 Thread Lance Norskog
n > version 2.  What you are proposing above will not work. > > Hopefully you have two complete sets of servers, for redundancy.  It would > be a good idea to upgrade one server set, then upgrade the other. > SOLR-2204 is in the works to make it possible to have these versions work > togethe

Re: Migration from Solr 1.4 to Solr 3.5

2011-12-28 Thread Bhavnik Gajjar
Subject: Re: Migration from Solr 1.4 to Solr 3.5 Date: Fri, 23 Dec 2011 > 10:58:43 -0800 From: Siva Kommuri > Reply-To: > solr-user@lucene.apache.org To: solr-user@lucene.apache.org >CC: > solr-user@lucene.apache.org > > > One migration strategy is to fall back to

Re: Migration from Solr 1.4 to Solr 3.5

2011-12-24 Thread Shawn Heisey
On 12/23/2011 5:41 AM, Bhavnik Gajjar wrote: • Consider this case. http://myserver:8080/solr/mainindex/select/?q=solr&start=0&rows=10&shards=myserver:8080/solr/index1,myserver:8080/solr/mainindex,remoteserver:8080/solr/remotedata. In this example, consider that 'myserver' has been upgraded with S

Re: Migration from Solr 1.4 to Solr 3.5

2011-12-23 Thread Siva Kommuri
One migration strategy is to fall back to XML parser from the javabin parser, upgrade Solrj jars to 3.4, turn off replication, upgrade master, upgrade each of the slaves while turning on replication. Once all slaves have been upgraded/replication turned on - switch back to javabin parser. Best

Re: Migration from Solr 1.4 to Solr 3.5

2011-12-23 Thread Erick Erickson
Have you looked at CHANGES.txt in ? It has upgrade instructions for every release. Note that in general, newer Solr will *read* an older index (one major revision back. i.e. 3.x should read 1.x, but 4.x will not read 1.x. Note also that there was no 2.x solr). The cautions in the upgrade notes are

Migration from Solr 1.4 to Solr 3.5

2011-12-23 Thread Bhavnik Gajjar
Greetings, We are planning to migrate from Solr 1.4 to Solr 3.5 (or, even new Solr version than 3.5, when available) in coming days. There are few questions about this migration. • I heard, index format is changed in this migration. So, does this require me to reindex millions of data? • Are th