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Message-ID: <551D1FCE.2040502@iconparc.de>
Date: Thu, 02 Apr 2015 12:54:06 +0200
From: Christoph Kaser <lucene_list@iconparc.de>
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To: java-user@lucene.apache.org
Subject: Re: How to merge several Taxonomy indexes
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Hi Gimantha,

why do you use a RAMDirectory? If your merged index fits into RAM completely, a MMapDirectory should offer almost the same performance. And if not, it is definitely the better choice.

Regards
Christoph

Am 02.04.2015 um 12:38 schrieb Gimantha Bandara:
> Hi All,
>
> I have successfully setup a merged indices and drilldown and usual search
> operations work perfect.
> But, I have a side question. If I selected RAMDirectory as the destination
> Indices in merging, probably the jvm can go out of memory if the merged
> indices are too big. Is there a way I can handle this issue?
>
> On Tue, Mar 24, 2015 at 12:18 PM, Gimantha Bandara <gimantha@wso2.com>
> wrote:
>
>> Hi Christoph,
>>
>> My mistake. :) It does the exactly what i need. figured it out later..
>> Thanks a lot!
>>
>> On Tue, Mar 24, 2015 at 3:14 AM, Gimantha Bandara <gimantha@wso2.com>
>> wrote:
>>
>>> Hi Christoph,
>>>
>>> I think TaxonomyMergeUtils is to merge a taxonomy directory and an index
>>> together (Correct me if I am wrong). Can it be used to merge several
>>> taxonomyDirectories together and create one taxonomy index?
>>>
>>> On Mon, Mar 23, 2015 at 9:19 PM, Christoph Kaser <lucene_list@iconparc.de
>>>> wrote:
>>>> Hi Gimantha,
>>>>
>>>> have a look at the class org.apache.lucene.facet.taxonomy.TaxonomyMergeUtils,
>>>> which does exactly what you need.
>>>>
>>>> Best regards,
>>>> Christoph
>>>>
>>>> Am 23.03.2015 um 15:44 schrieb Gimantha Bandara:
>>>>
>>>>> Hi all,
>>>>>
>>>>> Can anyone point me how to merge several taxonomy indexes? My
>>>>> requirement
>>>>> is as follows. I have  several taxonomy indexes and normal document
>>>>> indexes. I want to merge taxonomy indexes together and other document
>>>>> indexes together and perform search on them. One part I have figured
>>>>> out.
>>>>> It is easy. To Merge document indexes, all I have to do is create a
>>>>> MultiReader and pass it to IndexSearcher. But I am stuck at merging the
>>>>> taxonomy indexes. Is there a way to merge taxonomy indexes?
>>>>>
>>>>>
>>>> --
>>>> Dipl.-Inf. Christoph Kaser
>>>>
>>>> IconParc GmbH
>>>> Sophienstrasse 1
>>>> 80333 München
>>>>
>>>> www.iconparc.de
>>>>
>>>> Tel +49 -89- 15 90 06 - 21
>>>> Fax +49 -89- 15 90 06 - 49
>>>>
>>>> Geschäftsleitung: Dipl.-Ing. Roland Brückner, Dipl.-Inf. Sven Angerer.
>>>> HRB
>>>> 121830, Amtsgericht München
>>>>
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>>>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>>>
>>>>
>>> --
>>> Gimantha Bandara
>>> Software Engineer
>>> WSO2. Inc : http://wso2.com
>>> Mobile : +94714961919
>>>
>> --
>> Gimantha Bandara
>> Software Engineer
>> WSO2. Inc : http://wso2.com
>> Mobile : +94714961919
>>
>


-- 
Dipl.-Inf. Christoph Kaser

IconParc GmbH
Sophienstrasse 1
80333 München

www.iconparc.de

Tel +49 -89- 15 90 06 - 21
Fax +49 -89- 15 90 06 - 49

Geschäftsleitung: Dipl.-Ing. Roland Brückner, Dipl.-Inf. Sven Angerer. HRB
121830, Amtsgericht München

  
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