It’s the "Deleted Docs” metric in the statistic core.



I now that eventually the merges will expunge this deletes but I will run out 
of space soon and I want to know the _real_ space that I have.




Actually I have space enough (about 3.5x the size of the index) to do the 
optimize. 




Other question that I have is if I can optimize one shard at a time instead of 
do an optimize over the full collection (this give me more control about space 
used, I have more than one shard of the same collection in each node of the 
cluster).


—
/Yago Riveiro

On Fri, Nov 21, 2014 at 4:29 PM, Erick Erickson <erickerick...@gmail.com>
wrote:

> Yes, should be no problem.
> Although this should be happening automatically, the percentage
> of documents in a segment weighs quite heavily when the decision
> is made to merge segments in the background.
> You say you have "millions of deletes". Is this the difference between
> numDocs and maxDoc on the admin page for the core in question?
> Or is it just that you've issued millions of updates (or deletes)? Because
> if the latter, I'd advise monitoring the numDocs/maxDoc pair to see
> if the problem goes away on its own.
> bq: ...and need free space
> This is a red flag. If you're talking about disk space, before you get the
> free space forceMerge will copy the _entire_ index so you'll need at
> least 2x the current index size.
> Best,
> Erick
> On Fri, Nov 21, 2014 at 6:40 AM, yriveiro <yago.rive...@gmail.com> wrote:
>> Hi,
>>
>> It´s possible perform an optimize operation and continuing indexing over a
>> collection?
>>
>> I need to force expunge deletes from the index I have millions os deletes
>> and need free space.
>>
>>
>>
>> -----
>> Best regards
>> --
>> View this message in context: 
>> http://lucene.472066.n3.nabble.com/Optimize-during-indexing-tp4170261.html
>> Sent from the Solr - User mailing list archive at Nabble.com.

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