# Health check of \[/usr/share/elasticsearch/data/nodes/0\] took \[10146ms\] which is above the warn threshold of \[5s\]

**URL:** <https://discuss.elastic.co/t/health-check-of-usr-share-elasticsearch-data-nodes-0-took-10146ms-which-is-above-the-warn-threshold-of-5s/287255>\
**Category:** Elasticsearch\
**Tags:** docker\
**Created:** [October 21, 2021, 7:19am UTC](https://discuss.elastic.co/t/health-check-of-usr-share-elasticsearch-data-nodes-0-took-10146ms-which-is-above-the-warn-threshold-of-5s/287255 "2021-10-21T07:19:47Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Farzad\_Ebrahimi](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/farzad_ebrahimi/32/84012_2.png) [@Farzad\_Ebrahimi](https://discuss.elastic.co/u/Farzad_Ebrahimi)\
**Post date:** [October 21, 2021, 7:19am UTC](https://discuss.elastic.co/t/health-check-of-usr-share-elasticsearch-data-nodes-0-took-10146ms-which-is-above-the-warn-threshold-of-5s/287255/1 "2021-10-21T07:19:47Z")

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Hi everyone,  
every day we faced to this log with level WARN:

```auto
{"type": "server", "timestamp": "2021-10-20T03:13:18,747Z", "level": "WARN", "component": "o.e.m.f.FsHealthService", "cluster.name": "elasticsearch_cluster", "node.name": "elasticsearch", "message": "health check of [/usr/share/elasticsearch/data/nodes/0] took [10146ms] which is above the warn threshold of [5s]", "cluster.uuid": "CBdfgKdfgwKxjkMgA", "node.id": "wfEVdfgre1_vdfgg" }

```

we launched single-node Elasticsearch:7.12.0 with Docker and following configs:

```auto
environment:
      - node.name=elasticsearch
      - discovery.type=single-node
      - cluster.name=elasticsearch_cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms31G -Xmx31G"
      - http.max_content_length=1536mb
      - cluster.routing.allocation.disk.threshold_enabled=false

```

and indexing rate is very high and for a day, size of index became over than 600 GB with at least 40 millions documents.  
What is the reason for this WARN log?  
I want to thank you in advance.

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<div class="post-metadata">

**Author:** ![DavidTurner](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davidturner/32/22453_2.png) [@DavidTurner](https://discuss.elastic.co/u/DavidTurner)\
**Post date:** [October 21, 2021, 7:23am UTC](https://discuss.elastic.co/t/health-check-of-usr-share-elasticsearch-data-nodes-0-took-10146ms-which-is-above-the-warn-threshold-of-5s/287255/2 "2021-10-21T07:23:11Z")

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It means that it took more than 10 seconds to write a 20-byte file, which indicates that your disks are performing very poorly, perhaps overloaded.

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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:** [November 18, 2021, 7:23am UTC](https://discuss.elastic.co/t/health-check-of-usr-share-elasticsearch-data-nodes-0-took-10146ms-which-is-above-the-warn-threshold-of-5s/287255/3 "2021-11-18T07:23:56Z")

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