On Wed, Nov 3, 2010 at 4:27 PM, Mark Kristensson
<mark.kristens...@smartsheet.com> wrote:
>
> I've run checkIndex against the index and the results are below. That net is 
> that it's telling me nothing is wrong with the index.

Thanks.

> I did not have any instrumentation around the opening of the IndexSearcher 
> (we don't use an IndexReader), just around the actual query execution so I 
> had to add some additional logging. What I found surprised me, opening a 
> search against this index takes the same 6 to 8 seconds that closing the 
> indexWriter takes.

IndexWriter opens a SegmentReader for each segment in the index, to
apply deletions, so I think this is the source of the slowness.

>From the CheckIndex output, it looks like you have many (296,713)
unique fields names on that one large segment -- does that sound
right?  I suspect such a very high field count is the source of the
slowness...

Mike

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