Oh, it is interesting.  I really had some suggestions with new payloads and 
some with old!  Thank you for explain!  As I understand, Lucene perform 
update operation as delete old document and create new document?

Your idea with alias looks great.  I think we will use it for the next full 
reindex, thank you again.

On Thursday, May 29, 2014 9:40:36 PM UTC+6, David Pilato wrote:
>
> So it created new segments and at some point expunges deletes but not all.
> TBH, I'd prefer using another index with an alias on top of the older one 
> and at the end, switch the alias to the new one and delete old index.
>
> --
> David ;-)
> Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
>
>
> Le 29 mai 2014 à 17:29, Kirill Teplinskiy <[email protected]<javascript:>> 
> a écrit :
>
> Yes, exactly.  I update docs in the same index.
>
> On Thursday, May 29, 2014 9:10:40 PM UTC+6, David Pilato wrote:
>>
>> So you reindex into the same index and not in another clean one?
>> So you "update" docs, right?
>>
>> --
>> David ;-)
>> Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
>>
>>
>> Le 29 mai 2014 à 16:54, Kirill Teplinskiy <[email protected]> a écrit :
>>
>> Thank you, David!
>>
>> I need to call _optimize by hands to refresh payloads in completion 
>> suggester.  This method is recommended here: 
>> http://www.elasticsearch.org/guide/en/elasticsearch/reference/0.90/search-suggesters-completion.html.
>>   
>> For some reason _suggest returns old payloads after reindexing on our stage 
>> server.  I don't know why, completion suggester on my local instance of 
>> ElasticSearch updates on the fly.  Maybe because our stage index is 10Gb 
>> size and contains 10 millions documents and my local index has only 180 000 
>> documents.  
>>
>> On Thursday, May 29, 2014 7:37:24 PM UTC+6, David Pilato wrote:
>>>
>>> In 99.9% you should not call optimize api and let elasticsearch/Lucene 
>>> do it for you when needed.
>>>
>>> To answer to your question, yes search and index operations will still 
>>> possible during that time.
>>>
>>>
>>> --
>>> David ;-)
>>> Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
>>>
>>>
>>> Le 29 mai 2014 à 14:37, Kirill Teplinskiy <[email protected]> a écrit :
>>>
>>> Hello!
>>>
>>> Can anyone tell is it safe to call _optimize under normal production 
>>> work?  Will search requests be responded and indexing be performed?
>>>
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