# Can the elasticsearch-reindex plugin preserve internal search indices?

**URL:** <https://discuss.elastic.co/t/can-the-elasticsearch-reindex-plugin-preserve-internal-search-indices/19009>\
**Category:** Elasticsearch\
**Created:** [July 31, 2014, 4:02pm UTC](https://discuss.elastic.co/t/can-the-elasticsearch-reindex-plugin-preserve-internal-search-indices/19009 "2014-07-31T16:02:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Chris\_Berry\_2](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/chris_berry_2/32/1366_2.png) [@Chris\_Berry\_2](https://discuss.elastic.co/u/Chris_Berry_2)\
**Post date:** [July 31, 2014, 4:02pm UTC](https://discuss.elastic.co/t/can-the-elasticsearch-reindex-plugin-preserve-internal-search-indices/19009/1 "2014-07-31T16:02:57Z")

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Greetings,

Recently, as suggested in this mailing list and the inter-web in several  
posts, we used the elasticsearch-reindex plugin to change the number of  
Shards for a given large Index, because the Shards for that Index had  
become too large.

But after the reindex — we could not search against the new Index.  
All of the stored data was transferred properly though.

In essence, all of the "internal search indices" did not transfer from the  
old Index to the new.  
(The first sign of this was that the new Index was about 1/4 the size of  
the old)

I am assuming that I just did this wrong??  
Is it possible to reindex from one Index into another, preserving all the  
internal search indices??

BTW: it doesn’t seem to matter that whether we had the \_source saved or  
not??

Thanks,  
— Chris

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 1:11am UTC](https://discuss.elastic.co/t/can-the-elasticsearch-reindex-plugin-preserve-internal-search-indices/19009/2 "2017-07-06T01:11:58Z")

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Closed on July 6, 2017, 1:11am UTC