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From Karl Wettin <>
Subject Re: Frequently updated fields
Date Fri, 12 Sep 2008 12:36:08 GMT
Hi Wojciech,

can you please give us a bit more specific information about the meta  
data fields that will change? I would recommend you looking at  
creating filters from your primary persistency for query clauses such  
as unread/read, mailbox folders, et c.


12 sep 2008 kl. 13.57 skrev Wojciech Strza?ka:

> Hi.
>   I'm new to Lucene and I would like to get a few answers (they can
>   be lame)
>   I want to index large amount of emails using Lucene (maybe SOLR),  
> not only
>   the contents but also some metadata like state or flags. The
>   problem is that the metadata will change during mail lifecycle,
>   although much smaller updating this information will require
>   reindex the whole mail content which I see performance bottleneck.
>   I have the data in DB also so my first question is:
>   - are there any best practices to implement my needs (querying both
>   lucene & DB and then merging in memory?, close one eye and re-index
>   the whole content on every metadata change? others?)
>   - is at all Lucene good solution for my problem?
>   - are there any plans to implement field updates in more efficient  
> way then
>   delete/insert the whole document? if yes what's the time horizon?
>                                        Best regards
>                                               Wojtek
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