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https://issues.apache.org/jira/browse/USERGRID-255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14500619#comment-14500619
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ASF GitHub Bot commented on USERGRID-255:
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Github user snoopdave closed the pull request at:
https://github.com/apache/incubator-usergrid/pull/112
> 5 Re-indexer That Removes Source from ES
> ----------------------------------------
>
> Key: USERGRID-255
> URL: https://issues.apache.org/jira/browse/USERGRID-255
> Project: Usergrid
> Issue Type: Story
> Components: Stack
> Reporter: Todd Nine
> Assignee: David Johnson
>
> The two-dot-o Query Index module currently stores both document source and
> fields in ElasticSearch. Since we only ever retrieve ID numbers from ES,
> there is no need for us to store source and it is a waste of resources.
> This is what we need:
> 1) A way to configure Usergrid to either store source or not store source.
> 2) An index-rebuild "Tool" (implemented as a REST end-point) that either
> remove source, or add source depending on how the system in configured to
> operate. The Tool must allow us to re-index without downtime. Possible
> approach:
> For each application:
> a) Tool creates a new index and adds that index to the application's read
> and write alias.
> b) Tool removes the old index from the application's write alias so it is
> no longer written to.
> c) Tool deletes the mappings for each newly added index, then re-creates
> them with the new store-source settings.
> d) Tool re-indexes the application's collections.
> e) Once re-index is complete, Tool deletes the old index
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