# Serious data delay in elasticsearch

**URL:** <https://discuss.elastic.co/t/serious-data-delay-in-elasticsearch/61691>\
**Category:** Elasticsearch\
**Created:** [September 28, 2016, 12:02pm UTC](https://discuss.elastic.co/t/serious-data-delay-in-elasticsearch/61691 "2016-09-28T12:02:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![macymin](https://avatars.discourse-cdn.com/v4/letter/m/8e7dd6/32.png) [@macymin](https://discuss.elastic.co/u/macymin)\
**Post date:** [September 28, 2016, 12:02pm UTC](https://discuss.elastic.co/t/serious-data-delay-in-elasticsearch/61691/1 "2016-09-28T12:02:09Z")

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I use logstash as shipper output to redis then logstash (indexer) to elasticsearch.

per mins i have about 500,000 docs coming in for that index.

my cluster has 5 nodes, i can see the redis queue are growing larger and larger, how do I know it is indexer not fast enough or elasticsearch's issue?

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**Author:** ![macymin](https://avatars.discourse-cdn.com/v4/letter/m/8e7dd6/32.png) [@macymin](https://discuss.elastic.co/u/macymin)\
**Post date:** [September 28, 2016, 12:03pm UTC](https://discuss.elastic.co/t/serious-data-delay-in-elasticsearch/61691/2 "2016-09-28T12:03:03Z")

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This become a bottle neck and makes me headache all the time.  
the problem is I dont know how to troubleshoot such issues.

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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:** [July 5, 2017, 10:16pm UTC](https://discuss.elastic.co/t/serious-data-delay-in-elasticsearch/61691/3 "2017-07-05T22:16:40Z")

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