# Is reindexing from a source index which has a relocating shard slower?

**URL:** <https://discuss.elastic.co/t/is-reindexing-from-a-source-index-which-has-a-relocating-shard-slower/189836>\
**Category:** Elasticsearch\
**Created:** [July 10, 2019, 5:04pm UTC](https://discuss.elastic.co/t/is-reindexing-from-a-source-index-which-has-a-relocating-shard-slower/189836 "2019-07-10T17:04:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![praveengadugin1](https://avatars.discourse-cdn.com/v4/letter/p/858c86/32.png) [@praveengadugin1](https://discuss.elastic.co/u/praveengadugin1)\
**Post date:** [July 10, 2019, 5:04pm UTC](https://discuss.elastic.co/t/is-reindexing-from-a-source-index-which-has-a-relocating-shard-slower/189836/1 "2019-07-10T17:04:48Z")

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I am trying to reindex 14 million documents. It has become really slow after 12 million docs.  
Source index has a relocating shard which has relocated 60 percent now. could that be the reason for slowness of reindexing . Worse , would the reindexing be done only after relocating is done. (because relocating is excruciatingly slow)

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 7, 2019, 5:10pm UTC](https://discuss.elastic.co/t/is-reindexing-from-a-source-index-which-has-a-relocating-shard-slower/189836/2 "2019-08-07T17:10:26Z")

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