I've been trying to find a concise explanation of this, and seem to so far
have missed it. (Google, etc). What is the purpose/need to reindex a solr
index? How do you determine what provides the best performance? What
detrimental affects occur if you operate off of delta indexes?
Aaron Chmelik
Define reindexing. Every new document is indexed and existing documents are
deleted and indexed as if it is a new document. Completely reindexing from
scratch is only required if breaking changes are made to the schema or if you
upgrade to a new version that uses another format and isn't able
One more question - what does optimization do? Maybe to be a little more
precise - what happens to the index that requires optimizaion (what is the
problem and how does optimization solve it).
Aaron Chmelik
Web Designer Programmer
email: aaron.chme...@gmail.com
website:
Optimizing an index forces segments to merge. Usually, segments are merged
automatically based on your mergeFactor setting. During a merge documents
flagged for deletion are really purged and the number of segments is reduces
which improves search performance. There are some good pages on
Thanks. I think I can take it form there!
Aaron Chmelik
Web Designer Programmer
email: aaron.chme...@gmail.com
website: http://webdesign.aaronchmelik.com
phone: 651.757.5979
On Thu, May 26, 2011 at 4:51 PM, Markus Jelsma
markus.jel...@openindex.iowrote:
Optimizing an index forces segments to