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From Michael McCandless <>
Subject Re: Results of setting LogMergePolicy "calibrateSizeByDeletes=true"
Date Thu, 01 Oct 2009 11:51:47 GMT
Can you turn on IndexWriter's infoStream and post the resulting output?

Enabling calibrateSizeByDeletes doesn't automatically mean that
segments with many deletes will be merged.  EG if your mergeFactor is
high relative to the number of segments you have at each level, then
no merging will take place.

As a workaround, you could call expungeDeletes.


On Wed, Sep 30, 2009 at 11:12 AM, Jibo John <> wrote:
> Hello,
> I am in the process of  trying out the lucene patch LUCENE-1634, however I'm
> not getting the expected behavior.
> I  see that the segments are not getting merged even after all the documents
> are deleted from it.
> Because of this, the index size really grows to a huge number. The expected
>  index size is 50- 60 GB, however, it went past beyond 115 GB and is still
> growing.
> Any pointers will be helpful.
> Thanks,
> -Jibo

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