[Yanel-dev] lucene index

[Paul Bakker]

Both,

Thanks for the replies. I've verified that only new and changed content is
re-indexed.
I'll think about a reindexer.

Cheers,
Paul

2010/12/9 Balz Schreier <balz.schreier at gmail.com>

> Hi,
> my experience is the following:
> If you delete the index (e.g. the parent folder of "fulltext" and
> "properties") and you do a query right after the delete, it just does not
> find anything anymore (no results).
> But if you edit a content item (controlled via resource), the item gets
> indexed again.
> The same applies for NEW items. But all the items that were in the index
> before the deletion, they are gone.
>
> I use the indexRepository() method mentioned by Michi, but slightly
> customized:
> - I wrote a subclass of the original reindexer class which takes a data
> repository xml as argument. This way you can build a new index in parallel
> to the existing one. The advantage is that your site can continue to run
> while the index gets built (with more than 1 Mio items it can take
> hours...). Once the new index has been built, you can swap it (stop app,
> swap index, start app).
>
> Cheers
> Balz
>
>
> On Thu, Dec 9, 2010 at 3:20 PM, Michael Wechner <michael.wechner at wyona.com
> > wrote:
>
>> Hi Paul
>>
>>
>> On 12/9/10 3:00 PM, Paul Bakker wrote:
>>
>>> Hi,
>>>
>>> Can somebody tell me what will happen if I delete the lucene index from
>>> my realm?
>>> Will it get rebuilt somehow?
>>>
>>
>> yes, but only incrementally, whereas IIRC the searcher will throw an
>> exception if no index exists yet, hence
>> if you delete the index and search right away, then you will receive an
>> error, whereas if you delete the index, modify some data and then search=
 you
>> will be fine.
>>
>> But I guess you are rather looking for something like
>>
>>
>> src/core/java/org/wyona/yarep/util/YarepUtil.java#indexRepository(Reposi=
tory)
>>
>> ?
>>
>> HTH
>>
>> Michael
>>
>>>
>>> Thanks,
>>> Paul
>>>
>>
>> --
>> Yanel-development mailing list Yanel-development at wyona.com
>> http://lists.wyona.org/cgi-bin/mailman/listinfo/yanel-development
>>
>
>
> --
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