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From "Oren Eini (Ayende Rahien)" <aye...@ayende.com>
Subject Optimizing lucene updates
Date Sat, 20 Oct 2012 17:06:36 GMT
To start with, I already read this:
http://wiki.apache.org/lucene-java/ImproveIndexingSpeed

I am profiling my Lucene code, and I noticed the following:

[image: Inline image 1]

As you can see, applying the deletes takes quite a bit of time.

I am always assuming that I update the documents in Lucene, so my process
is:

foreach(var item in items) // dummy code, but useful
{
   indexWriter.DeleteDocuments(new Term("UniqueId", item.Id));

   indexWriter.AddDocument(item.ToLuceneDocument());
}

Is there a way to avoid the costly ApplyDeletes if it doesn't need to do
the delete?

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