On Thu, Dec 16, 2010 at 4:03 PM, Burton-West, Tom <tburt...@umich.edu> wrote: >>>Your setting isn't being applied to the reader IW uses during >>>merging... its only for readers Solr opens from directories >>>explicitly. >>>I think you should open a jira issue! > > Do I understand correctly that this setting in theory could be applied to the > reader IW uses during merging but is not currently being applied? > > <indexReaderFactory name="IndexReaderFactory" > class="org.apache.solr.core.StandardIndexReaderFactory"> > <int name="termInfosIndexDivisor">8</int> > </indexReaderFactory >
Yes. > I understand the tradeoffs for doing this during searching, but not the > trade-offs for doing this during merging. Is the use during merging the > similar to the use during searching? > > i.e. Some process has to look up data for a particular term as opposed to > having to iterate through all the terms? > (Haven't yet dug into the merging/indexing code). It's not used during merging, only for applying deletes. But, yes, we do a lookup of the Term (or Terms inside Query, if you delete-by-Query) from the terms index. Mike
