Please follow the instructions here to unsubscribe. Note, you _MUST_
use the exact same e-mail you subscribed with.

See the "unsubscribe" link here:
 http://lucene.apache.org/solr/resources.html

If you have problems, have you tried to follow the instructions here?
https://wiki.apache.org/solr/Unsubscribing%20from%20mailing%20lists

Best,
Erick

On Wed, Dec 2, 2015 at 5:55 PM, Johny John <phpjo...@outlook.com> wrote:
> dev-unsubscr...@lucene.apache.org
>
> Sent from Windows Mail
>
> From: Keith Laban (JIRA)
> Sent: ‎Thursday‎, ‎December‎ ‎3‎, ‎2015 ‎6‎:‎19‎ ‎AM
> To: dev@lucene.apache.org
>
>
>     [
> https://issues.apache.org/jira/browse/SOLR-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15036972#comment-15036972
> ]
>
> Keith Laban commented on SOLR-8220:
> -----------------------------------
>
> My only concern is that we may have to add a flag for this and for whatever
> we decide in SOLR-8344 which is just going to add to he confusion. Thoughts?
>
>> Read field from docValues for non stored fields
>> -----------------------------------------------
>>
>>                 Key: SOLR-8220
>>                 URL: https://issues.apache.org/jira/browse/SOLR-8220
>>             Project: Solr
>>          Issue Type: Improvement
>>            Reporter: Keith Laban
>>         Attachments: SOLR-8220-ishan.patch, SOLR-8220-ishan.patch,
>> SOLR-8220-ishan.patch, SOLR-8220-ishan.patch, SOLR-8220.patch,
>> SOLR-8220.patch, SOLR-8220.patch, SOLR-8220.patch, SOLR-8220.patch,
>> SOLR-8220.patch, SOLR-8220.patch, SOLR-8220.patch, SOLR-8220.patch,
>> SOLR-8220.patch, SOLR-8220.patch, SOLR-8220.patch, SOLR-8220.patch,
>> SOLR-8220.patch
>>
>>
>> Many times a value will be both stored="true" and docValues="true" which
>> requires redundant data to be stored on disk. Since reading from docValues
>> is both efficient and a common practice (facets, analytics, streaming, etc),
>> reading values from docValues when a stored version of the field does not
>> exist would be a valuable disk usage optimization.
>> The only caveat with this that I can see would be for multiValued fields
>> as they would always be returned sorted in the docValues approach. I believe
>> this is a fair compromise.
>> I've done a rough implementation for this as a field transform, but I
>> think it should live closer to where stored fields are loaded in the
>> SolrIndexSearcher.
>> Two open questions/observations:
>> 1) There doesn't seem to be a standard way to read values for docValues,
>> facets, analytics, streaming, etc, all seem to be doing their own ways,
>> perhaps some of this logic should be centralized.
>> 2) What will the API behavior be? (Below is my proposed implementation)
>> Parameters for fl:
>> - fl="docValueField"
>>   -- return field from docValue if the field is not stored and in
>> docValues, if the field is stored return it from stored fields
>> - fl="*"
>>   -- return only stored fields
>> - fl="+"
>>    -- return stored fields and docValue fields
>> 2a - would be easiest implementation and might be sufficient for a first
>> pass. 2b - is current behavior
>
>
>
> --
> This message was sent by Atlassian JIRA
> (v6.3.4#6332)
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org
> For additional commands, e-mail: dev-h...@lucene.apache.org
>

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org
For additional commands, e-mail: dev-h...@lucene.apache.org

Reply via email to