# Search context missing exception

**URL:** <https://discuss.elastic.co/t/search-context-missing-exception/121723>\
**Category:** Elasticsearch\
**Created:** [February 27, 2018, 7:19pm UTC](https://discuss.elastic.co/t/search-context-missing-exception/121723 "2018-02-27T19:19:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![praveen.vemuri](https://avatars.discourse-cdn.com/v4/letter/p/a9adbd/32.png) [@praveen.vemuri](https://discuss.elastic.co/u/praveen.vemuri)\
**Post date:** [February 27, 2018, 7:19pm UTC](https://discuss.elastic.co/t/search-context-missing-exception/121723/1 "2018-02-27T19:19:42Z")

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I am trying to reindex data (around 150gb). it works for sometime and throws an error search\_context\_missing\_exception. i tried logstash with elastcsearch as input and had similar issue.

i tried to reingest in chunks of 10mins. hardly 200000 events. it reingested for an hr without any issues but it failed for a very small chunk of size 80k. what are the scenarios it will loose scroll id? Please help.

Thanks.

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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:** [March 27, 2018, 7:20pm UTC](https://discuss.elastic.co/t/search-context-missing-exception/121723/2 "2018-03-27T19:20:00Z")

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