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From Simon Svensson <si...@devhost.se>
Subject Re: Optimizing lucene updates
Date Sat, 20 Oct 2012 17:17:53 GMT
Hi,

I believe that your inline image did not survive the mailing list 
software. Could you publish it somewhere instead?

// Simon

On 2012-10-20 19:06, Oren Eini (Ayende Rahien) wrote:
> 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:
>
> 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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