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From Kay Kay <kaykay.uni...@gmail.com>
Subject Re: Is there a way to limit the size of an index?
Date Thu, 07 Jan 2010 19:30:42 GMT
On 1/7/10 11:23 AM, Otis Gospodnetic wrote:
>> Merge factor controls how many segments are merged at once.  The default is 10.
>>
>> The maxMergeMB setting sets the max size for a given segment to be
>> included in a merge.
>>      
> I wonder if renaming that to maxSegSizeMergeMB would make it more obvious what this does?
>    

Personally, +1 on the new naming , as it seems self explanatory than 
maxMergeMB .

> Otis
> --
> Sematext -- http://sematext.com/ -- Solr - Lucene - Nutch
>
>    
>> Roughly, the upper bound on merged segments is the sum of their sizes.
>>
>> So the rough upper bound on any segment's size is mergeFactor * maxMergeMB.
>>
>> Mike
>>
>> On Thu, Jan 7, 2010 at 11:04 AM, Dvora wrote:
>>      
>>> Can you explain how the combination of merge factor and max merge size
>>> control the size of files?
>>>
>>> For example, if one would like to limit the files size to 3,4 or 7MB - how
>>> these parameters values can be predicted?
>>>
>>>
>>>
>>> Michael McCandless-2 wrote:
>>>        
>>>>
>>>> This tells the IndexWriter NOT to merge any segment that's over 1.0 MB
>>>> in size.  With a default merge factor of 10, this should "generally"
>>>> mean you don't get a segment over 10MB, though it may not be a hard
>>>> guarantee (you can lower the 1.0 if you still see a segment over 10
>>>> MB).
>>>>
>>>>
>>>>          
>>> --
>>> View this message in context:
>>>        
>> http://old.nabble.com/Is-there-a-way-to-limit-the-size-of-an-index--tp27056573p27062291.html
>>      
>>> Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>>>
>>>
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>
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>    


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