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The "MergingSolrIndexes" page has been changed by anirudha jadhav: http://wiki.apache.org/solr/MergingSolrIndexes?action=diff&rev1=12&rev2=13 '''NOTE''': In this example core0 must exist and have a compatible schema with core1 and core2. The 'mergeindexes' command will not create a new core named 'core0' if it does not already exist. - <!> [[Solr3.3]] - !CoreAdminHandler also supports merging one or more cores into another core (since Solr 3.3) through a "srcCore" parameter. + <!> [[Solr3.3]] !CoreAdminHandler also supports merging one or more cores into another core (since Solr 3.3) through a "srcCore" parameter. {{{ http://localhost:8983/solr/admin/cores?action=mergeindexes&core=core0&srcCore=core1&srcCore=core2 }}} + The differences between using "srcCore" parameter and "indexDir" parameter are that: - The differences between using "srcCore" parameter and "indexDir" parameter are that: 1. Using the "indexDir" parameter one can merge indexes not associated with a Solr Core e.g. indexes built directly via Lucene 1. Using the "indexDir" parameter, one must take care that the index is not being written to - this means closing !IndexWriter or if it is a solr core's index, issuing a commit command. 1. The "indexDir" must be the path to an index directory on the disk of the solr host - this makes it cumbersome. On the other hand, one can just give the core name with "srcCore" parameter @@ -49, +48 @@ === Example === The command below assumes that the files {{{lucene-core-3.4.0.jar}}} and {{{lucene-misc-3.4.0.jar}}} are in the current directory: + {{{ java -cp lucene-core-3.4.0.jar:lucene-misc-3.4.0.jar org.apache.lucene.misc.IndexMergeTool ./newindex ./app1/solr/data/index ./app2/solr/data/index }}}
