solr commit command questions

[oleg_gnatovskiy <ol...@citysearch.com>]

Hello. I was wondering what happens when an add command is done without a
commit command. Is there any way to roll back?
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Re: solr commit command questions

[Leonardo Santagada <sa...@gmail.com>]

On 04/04/2008, at 20:24, oleg_gnatovskiy wrote:
>
> So, what is the point of the commit?


I always tought about it... this should have been named flush as it is  
on xapian... it has nothing to do with databases commits and the data  
will end up in the index one way or the other.

--
Leonardo Santagada

Re: solr commit command questions

[Mike Klaas <mi...@gmail.com>]

On 4-Apr-08, at 4:24 PM, oleg_gnatovskiy wrote:
>
> So, what is the point of the commit?

It makes the data you have updated since last commit visible to the  
searchers.

-Mike

Re: solr commit command questions

[oleg_gnatovskiy <ol...@citysearch.com>]

So, what is the point of the commit?

oleg_gnatovskiy wrote:
> 
> Hello. I was wondering what happens when an add command is done without a
> commit command. Is there any way to roll back?
> 

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Re: solr commit command questions

[Mike Klaas <mi...@gmail.com>]

On 3-Apr-08, at 10:04 AM, oleg_gnatovskiy wrote:
>
> Hello. I was wondering what happens when an add command is done  
> without a
> commit command. Is there any way to roll back?

No, there isn't (unless you've taken a snapshot of the index using  
snapshooter).

The main problem is that there is no way to "undelete" a document in  
lucene, so this might be impossible until lucene has more transaction  
support.

-Mike